Patent US3867219A successfully refreshed from Google Patents.
← Back to Patent Explorer
US3867219A Expired / Lapsed US ⏱️ 0.0 years remaining

Method of making pile fabrics from a block of pile material

Assignee: FIELD CREST CANNON Inc
•
Filing: 1973-09-18
•
Granted: 1975-02-18
•
Expires: 1993-09-18
📄 Original PDF 🌐 Google Patents 🔄 Sync Now

Abstract

Abstract A block of rows of strands of pile forming material is provided in an open-ended container with dividers separating adjacent rows of the strands. The block of pile forming material is incrementally fed from the container, parallel to the strand axes, in successive increments of an amount equal to the desired length of pile, and then the ends of the dividers in the block are treated to cause them to foreshorten relative to the adjacent ends of the strands of pile forming material so that predetermined lengths thereof are exposed and project beyond the adjacent ends of the dividers. Each successive fed increment of the block of strands of pile forming material and foreshortened dividers is severed transversely of the axes of the strands while arranging the severed strands to form cut pile tufts which are secured together in spaced rows.

Inventors

  • 👤 Emanuele Bondi

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-03 19:47
CPC Classifications
D; D03; D03J; D03J1/00; D03J1/008; D03C; D03C19/00; D03C3/00; D03C3/20; D04; D04H; D04H11/00; D06; D06H; D06H1/00; Y; Y10; Y10T; Y10T156/00; Y10T156/10; Y10T156/1002; Y10T156/1007; Y10T156/1015; Y10T156/1052; Y10T156/1054; Y10T156/12; Y10T156/1317; Y10T428/00; Y10T428/23907; Y10T428/23979

Claims Analysis

Total Claims: 41
Claim 1
Independent Claim 170 words
A METHOD OF MAKING PILE FABRICS, SUCH AS CARPETS, RUGS AND THE LIKE WHICH COMPRISES PROVIDING A PILE STRAND BLOCK OF ROWS OF SUBSTANTIALLY PARALLEL STRANDS OF PILE FORMING MATERIAL IN AN OPEN-ENDED CONTAINER WITH THE BLOCK HAVING DIVIDERS OF SHEET MATERIAL THEREIN SEPARATING ADJACENT ROWS OF THE STRANDS, INCREMENTALLY FEEDING FROM THE CONTAINER THE PILE STRAND BLOCK PARALLEL TO THE AXES OF THE PILE STRANDS IN SUCCESSIVE INCREMENTS OF AN AMOUNT EQUAL TO THE DESIRED LENGHT OF PILE, TREATING THE ENDS OF THE DIVIDERS IN THE BLOCK TO CAUSE THEM TO FORESHORTEN RELATIVE TO THE ADJACENT ENDS OF THE PILE STRANDS SO THAT RELATIVELY SHORT LENGTHS OF THE PILE STRANDS ARE EXPOSED AND PROJECT BEYOND THE ADJACENT ENDS OF THE DIVIDERS, AND SEVERING EACH FED INCREMENT OF PILE STRANDS AND THE FORESHORTENED DIVIDERS TRANSVERESLY OF THE PILE STRAND AXES WHILE BRING THE PROJECTING ENDS OF THE SEVERED PILE STRANDS INTO CONTACT WITH A LAYER OF ADHESIVE FOR SECUREMENTS THERETO AND TO FORM SPACED ROWS OF CUT PILE TUFTS THEREON.
Claim 2
Independent Claim 170 words
A METHOD OF MAKING PILE FABRICS, SUCH AS CARPETS, RUGS AND THE LIKE WHICH COMPRISES PROVIDING A PILE STRAND BLOCK OF ROWS OF SUBSTANTIALLY PARALLEL STRANDS OF PILE FORMING MATERIAL IN AN OPEN-ENDED CONTAINER WITH THE BLOCK HAVING DIVIDERS OF SHEET MATERIAL THEREIN SEPARATING ADJACENT ROWS OF THE STRANDS, INCREMENTALLY FEEDING FROM THE CONTAINER THE PILE STRAND BLOCK PARALLEL TO THE AXES OF THE PILE STRANDS IN SUCCESSIVE INCREMENTS OF AN AMOUNT EQUAL TO THE DESIRED LENGHT OF PILE, TREATING THE ENDS OF THE DIVIDERS IN THE BLOCK TO CAUSE THEM TO FORESHORTEN RELATIVE TO THE ADJACENT ENDS OF THE PILE STRANDS SO THAT RELATIVELY SHORT LENGTHS OF THE PILE STRANDS ARE EXPOSED AND PROJECT BEYOND THE ADJACENT ENDS OF THE DIVIDERS, AND SEVERING EACH FED INCREMENT OF PILE STRANDS AND THE FORESHORTENED DIVIDERS TRANSVERESLY OF THE PILE STRAND AXES WHILE BRING THE PROJECTING ENDS OF THE SEVERED PILE STRANDS INTO CONTACT WITH A LAYER OF ADHESIVE FOR SECUREMENTS THERETO AND TO FORM SPACED ROWS OF CUT PILE TUFTS THEREON.
Claim 3
Dependent Claim 41 words
A method according to claim 1, which includes applying an adhesive coating to the exposed projecting ends of the pile strands of each fed increment prior to the severing thereof to aid in the subsequent securement of the severed pile strands.
Claim 4
Dependent Claim 63 words
A method according to claim 1, wherein the severing of each fed increment of pile strands is effected progressively, and wherein the bringing of the projecting ends of the pile strands into contact with the layer of adhesive comprises progressively depositing the severed pile strands onto the layer of adhesive while advancing the layer of adhesive relative to the block of pile strands.
Claim 5
Dependent Claim 43 words
A method according to claim 1, in which the step of incrementally feeding the pile strand block includes feeding the pile strand block in successive increments of about one inch or more for making high pile fabrics such as shag carpets and rugs.
Claim 6
Dependent Claim 37 words
A method according to claim 1, which includes the step of pressing the severed pile strands and the layer of adhesive together to aid in the securement of the severed pile strands to the layer of adhesive.
Claim 7
Dependent Claim 86 words
A method according to claim 1, which includes moving the layer of adhesive in a predetermined path beneath the pile strand block, and wherein the step of severing each fed increment of pile strands includes moving the pile strand block over the layer of adhesive in the same general direction as that of the layer of adhesive while also moving the pile strand block past a stationarily mounted severing means so that the severed pile strands are progressively brought into contact with the layer of adhesive.
Claim 8
Dependent Claim 44 words
A method according to claim 1, including the steps of curing the layer of adhesive while pressing the tufts of severed pile strands and the layer of adhesive together to aid in the securement of the severed pile strands to the layer of adhesive.
Claim 9
Dependent Claim 33 words
A method according to claim 1, wherein the pile strand block is formed by arranging layers of pile yarns in alternation with sheets of compressible material serving as the dividers of the block.
Claim 10
Dependent Claim 35 words
A method according to claim 1, wherein the pile strand block is formed by arranging layers of synthetic continuous filament tows in alternation with sheets of compressible material serving as the dividers of the block.
Claim 11
Dependent Claim 74 words
A method according to claim 1, wherein the sheet material of the dividers is compressible and expansible to substantially its original thickness following being compressed, and wherein the dividers in the block are in compressed condition, and the method further comprising progressively depositing on the layer of adhesive the severed pile strands, while permitting at least partial expansion of the severed divider portions by advancing the layer of adhesive relative to the pile strands.
Claim 12
Independent Claim 183 words
A method of making pile fabrics, such as carpets, rugs and the like which comprises providing a pile strand block of rows of substantially parallel strands of pile forming material in an open-ended container with the block having dividers of sheet material therein separating adjacent rows of the strands, incrementally feeding from the container the pile strand block parallel to the axes of the pile strands in successive increments of an amount equal to the desired length of pile, treating the ends of the dividers in the block to cause them to foreshorten relative to the adjacent ends of the pile strands so that relatively short lengths of the pile strands are exposed and project beyond the adjacent ends of the dividers, applyinG an adhesive coating to the exposed projecting ends of the pile strands, and severing each fed increment of pile strands and the foreshortened dividers transversely of the pile strand axes while bringing the adhesive-coated projecting ends of the severed pile strands into contact with a backing for adhesive securement thereto to form rows of cut pile tufts on the backing.
Claim 13
Independent Claim 183 words
A method of making pile fabrics, such as carpets, rugs and the like which comprises providing a pile strand block of rows of substantially parallel strands of pile forming material in an open-ended container with the block having dividers of sheet material therein separating adjacent rows of the strands, incrementally feeding from the container the pile strand block parallel to the axes of the pile strands in successive increments of an amount equal to the desired length of pile, treating the ends of the dividers in the block to cause them to foreshorten relative to the adjacent ends of the pile strands so that relatively short lengths of the pile strands are exposed and project beyond the adjacent ends of the dividers, applyinG an adhesive coating to the exposed projecting ends of the pile strands, and severing each fed increment of pile strands and the foreshortened dividers transversely of the pile strand axes while bringing the adhesive-coated projecting ends of the severed pile strands into contact with a backing for adhesive securement thereto to form rows of cut pile tufts on the backing.
Claim 14
Independent Claim 174 words
A method of making pile fabrics, such as carpets, rugs and the like which comprises providing a pile strand block of rows of substantially parallel strands of pile forming material in an open-ended container with the block having dividers of heat shrinkable sheet material therein separating adjacent rows of the strands, incrementally feeding from the container the pile strand block parallel to the axes of the pile strands in successive increments of an amount equal to the desired length of pile, heating the ends of the dividers in the block to cause them to shrink and recede relative to the adjacent ends of the pile strands so that relatively short lengths of the pile strands are exposed and project beyond the adjacent ends of the dividers, and severing each fed increment of pile strands and the shrunken dividers transversely of the pile strand axes while bringing the projecting ends of the severed pile strands into contact with a layer of adhesive for securement thereto and to form spaced rows of cut pile tufts thereon.
Claim 15
Independent Claim 174 words
A method of making pile fabrics, such as carpets, rugs and the like which comprises providing a pile strand block of rows of substantially parallel strands of pile forming material in an open-ended container with the block having dividers of heat shrinkable sheet material therein separating adjacent rows of the strands, incrementally feeding from the container the pile strand block parallel to the axes of the pile strands in successive increments of an amount equal to the desired length of pile, heating the ends of the dividers in the block to cause them to shrink and recede relative to the adjacent ends of the pile strands so that relatively short lengths of the pile strands are exposed and project beyond the adjacent ends of the dividers, and severing each fed increment of pile strands and the shrunken dividers transversely of the pile strand axes while bringing the projecting ends of the severed pile strands into contact with a layer of adhesive for securement thereto and to form spaced rows of cut pile tufts thereon.
Claim 16
Dependent Claim 42 words
A method according to claim 12, which includes applying an adhesive to the exposed projecting ends of the pile strands of each fed increment prior to the severing of each increment to aid in the subsequent securement of the severed pile strands.
Claim 17
Independent Claim 174 words
A method of making pile fabrics, such as carpets, rugs and the like which comprises providing a pile strand block of rows of substantially parallel strands of pile forming material in an open-ended container with the block having dividers of heat shrinkable sheet material therein separating adjacent rows of the strands, incrementally feeding from the container the pile strand block parallel to the axes of the pile strands in successive increments of an amount equal to the desired length of pile, heating the ends of the dividers in the block to cause them to shrink and recede relative to the adjacent ends of the pile strands so that relatively short lengths of the pile strands are exposed and project beyond the adjacent ends of the dividers, and severing each fed increment of pile strands and the shrunken dividers transversely of the pile strand axes while bringing the projecting ends of the severed pile strands into contact with an adhesive-coated backing for adhesive securement thereto to form rows of cut pile tufts on the backing.
Claim 18
Independent Claim 174 words
A method of making pile fabrics, such as carpets, rugs and the like which comprises providing a pile strand block of rows of substantially parallel strands of pile forming material in an open-ended container with the block having dividers of heat shrinkable sheet material therein separating adjacent rows of the strands, incrementally feeding from the container the pile strand block parallel to the axes of the pile strands in successive increments of an amount equal to the desired length of pile, heating the ends of the dividers in the block to cause them to shrink and recede relative to the adjacent ends of the pile strands so that relatively short lengths of the pile strands are exposed and project beyond the adjacent ends of the dividers, and severing each fed increment of pile strands and the shrunken dividers transversely of the pile strand axes while bringing the projecting ends of the severed pile strands into contact with an adhesive-coated backing for adhesive securement thereto to form rows of cut pile tufts on the backing.
Claim 19
Dependent Claim 46 words
A method according to claim 14, which includes applying an adhesive to the exposed projecting ends of the pile strands of each fed increment prior to the severing of each increment to aid in the subsequent securement of the severed pile strands to the adhesive-coated backing.
Claim 20
Dependent Claim 43 words
A method according to claim 14, in which the step of incrementally feeding the pile strand block includes feeding the pile strand block in successive increments of about one inch or more for making high pile fabrics such as shag carpets and rugs.
Claim 21
Dependent Claim 33 words
A method according to claim 14, which includes the step of pressing the tufts of the severed pile strands and the backing together to aid in securement of the tufts to the backing.
Claim 22
Dependent Claim 66 words
A method according to claim 14, which includes moving the adhesive-coated backing in a predetermined path beneath the pile strand block, and wherein the step of severing each fed increment of pile strands includes moving the pile strand block over the backing in the same general direction as that of the backing while also progressively bringing the severed pile strands into contact with the adhesive-coated backing.
Claim 23
Dependent Claim 36 words
A method according to claim 14, including the steps of curing the adhesive on the backing while pressing the cut pile tufts and the backing together to aiD in securing the tufts and the backing together.
Claim 24
Dependent Claim 33 words
A method according to claim 14, wherein the pile strand block is formed by arranging layers of pile yarns in alternation with sheets of foam polystyrene serving as the dividers of the block.
Claim 25
Dependent Claim 35 words
A method according to claim 14, wherein the pile strand block is formed by arranging layers of synthetic continuous filament tows in alternation with sheets of foam polystyrene serving as the dividers of the block.
Claim 26
Independent Claim 186 words
A method of making pile fabrics, such as carpets, rugs and the like which comprises providing a pile strand block of rows of substantially parallel strands of pile forming material in an open-ended container with the block having dividers of heat shrinkable sheet material therein separating adjacent rows of the strands, incrementally feeding from the container the pile strand block parallel to the axes of the pile strands in successive increments of an amount equal to the desired length of pile, heating the ends of the dividers in the block to cause them to shrink and recede relative to the adjacent ends of the pile strands so that relatively short lengths of the pile strands are exposed and project beyond the adjacent ends of the dividers, applying an adhesive coating to the exposed projecting ends of the pile strands, and severing each fed increment of pile strands and the shrunken dividers transversely of the pile strand axes while bringing the adhesive-coated projecting ends of the severed pile strands into contact with a backing for securement thereto to form rows of cut pile tufts on the backing.
Claim 27
Independent Claim 186 words
A method of making pile fabrics, such as carpets, rugs and the like which comprises providing a pile strand block of rows of substantially parallel strands of pile forming material in an open-ended container with the block having dividers of heat shrinkable sheet material therein separating adjacent rows of the strands, incrementally feeding from the container the pile strand block parallel to the axes of the pile strands in successive increments of an amount equal to the desired length of pile, heating the ends of the dividers in the block to cause them to shrink and recede relative to the adjacent ends of the pile strands so that relatively short lengths of the pile strands are exposed and project beyond the adjacent ends of the dividers, applying an adhesive coating to the exposed projecting ends of the pile strands, and severing each fed increment of pile strands and the shrunken dividers transversely of the pile strand axes while bringing the adhesive-coated projecting ends of the severed pile strands into contact with a backing for securement thereto to form rows of cut pile tufts on the backing.
Claim 28
Independent Claim 205 words
A method of making pile fabrics, such as carpets, rugs and the like which comprises providing a pile strand block of rows of substantially parallel strands of pile forming material in an open-ended container with the block having dividers of heat shrinkable sheet material therein separating adjacent rows of the pile strands, incrementally feeding from the container the pile strand block parallel to the axes of the pile strands in successive increments of an amount equal to the desired length of pile, heating the ends of the dividers in the block to cause them to shrink and recede relative to the adjacent ends of the pile strands so that relatively short lengths of the pile strands are exposed and project beyond the adjacent ends of the dividers, successively severing each fed increment of pile strands and the shrunken dividers transversely of the pile strand axes by advancing the block past a stationarily mounted severing means, while advancing an adhesive-coated backing and the pile strand block in the same general direction closely adjacent each other, and while also progressively depositing the projecting ends of the severed pile strands onto the adhesive-coated backing for securement thereto to successively form rows of cut pile tufts on the backing.
Claim 29
Independent Claim 205 words
A method of making pile fabrics, such as carpets, rugs and the like which comprises providing a pile strand block of rows of substantially parallel strands of pile forming material in an open-ended container with the block having dividers of heat shrinkable sheet material therein separating adjacent rows of the pile strands, incrementally feeding from the container the pile strand block parallel to the axes of the pile strands in successive increments of an amount equal to the desired length of pile, heating the ends of the dividers in the block to cause them to shrink and recede relative to the adjacent ends of the pile strands so that relatively short lengths of the pile strands are exposed and project beyond the adjacent ends of the dividers, successively severing each fed increment of pile strands and the shrunken dividers transversely of the pile strand axes by advancing the block past a stationarily mounted severing means, while advancing an adhesive-coated backing and the pile strand block in the same general direction closely adjacent each other, and while also progressively depositing the projecting ends of the severed pile strands onto the adhesive-coated backing for securement thereto to successively form rows of cut pile tufts on the backing.
Claim 30
Dependent Claim 44 words
A method according to claim 23, including applying an adhesive to the exposed projecting ends of pile strands of each fed increment prior to the severing of each increment to aid in the subsequent securement of the severed pile strands to the adhesive-coated backing.
Claim 31
Independent Claim 187 words
A method of making pile fabrics, such as carpets, rugs and the like which comprises providing a pile strand block of rows of substantially parallel strands of thermoplastic pile forming material in an open-ended container with the block having dividers of sheet material therein separating adjacent rows of the strands, incrementally feeding from the container the pile strand block parallel to the axes of the pile strands in successive increments of an amount equal to the desired length of pile, treating the ends of the dividers in the block to cause them to foreshorten relative to the adjacent ends of the pile strands so that relatively short lengths of the pile strands are exposed and project beyond the adjacent ends of the dividers, applying heat to the exposed projecting ends of the pile strands to effect melting thereof, and severing each fed increment of pile strands and The foreshortened dividers transversely of the pile strand axes while bringing the projecting melted ends of the severed pile strands into contact with a backing for fusible securement thereto to form spaced rows of cut pile tufts on the backing.
Claim 32
Independent Claim 187 words
A method of making pile fabrics, such as carpets, rugs and the like which comprises providing a pile strand block of rows of substantially parallel strands of thermoplastic pile forming material in an open-ended container with the block having dividers of sheet material therein separating adjacent rows of the strands, incrementally feeding from the container the pile strand block parallel to the axes of the pile strands in successive increments of an amount equal to the desired length of pile, treating the ends of the dividers in the block to cause them to foreshorten relative to the adjacent ends of the pile strands so that relatively short lengths of the pile strands are exposed and project beyond the adjacent ends of the dividers, applying heat to the exposed projecting ends of the pile strands to effect melting thereof, and severing each fed increment of pile strands and The foreshortened dividers transversely of the pile strand axes while bringing the projecting melted ends of the severed pile strands into contact with a backing for fusible securement thereto to form spaced rows of cut pile tufts on the backing.
Claim 33
Independent Claim 191 words
A method of making pile fabrics, such as carpets, rugs and the like which comprises providing a pile strand block of rows of substantially parallel strands of thermoplastic pile forming material in an open-ended container with the block having dividers of heat shrinkable sheet material therein separating adjacent rows of the strands, incrementally feeding from the container the pile strand block parallel to the axes of the pile strands in successive increments of an amount equal to the desired length of pile, applying heat to the end of the pile strand block to cause the dividers therein to shrink and recede relative to the adjacent ends of the pile strands so that relatively short lengths of the pile strands are exposed and project beyond the adjacent ends of the dividers while also causing the adjacent ends of the pile strands to melt, and severing each fed increment of pile strands and the shrunken dividers transversely of the pile strand axes while bringing the projecting melted ends of the severed pile strands into contact with a backing for fusible securement thereto to form spaced rows of cut pile tufts on the backing.
Claim 34
Independent Claim 191 words
A method of making pile fabrics, such as carpets, rugs and the like which comprises providing a pile strand block of rows of substantially parallel strands of thermoplastic pile forming material in an open-ended container with the block having dividers of heat shrinkable sheet material therein separating adjacent rows of the strands, incrementally feeding from the container the pile strand block parallel to the axes of the pile strands in successive increments of an amount equal to the desired length of pile, applying heat to the end of the pile strand block to cause the dividers therein to shrink and recede relative to the adjacent ends of the pile strands so that relatively short lengths of the pile strands are exposed and project beyond the adjacent ends of the dividers while also causing the adjacent ends of the pile strands to melt, and severing each fed increment of pile strands and the shrunken dividers transversely of the pile strand axes while bringing the projecting melted ends of the severed pile strands into contact with a backing for fusible securement thereto to form spaced rows of cut pile tufts on the backing.
Claim 35
Dependent Claim 58 words
A method according to claim 26, wherein the severing of each fed increment of pile strands in effected progressively, and wherein the bringing of the projecting melted ends of the pile strands into contact with the backing comprises progressively depositing the severed pile strands onto the backing while advancing the backing relative to the block of pile strands.
Claim 36
Dependent Claim 43 words
A method according to claim 26, in which the step of incrementally feeding the pile strand block includes feeding the pile strand block in successive increments of about one inch or more for making high pile fabrics such as shag carpets and rugs.
Claim 37
Dependent Claim 34 words
A method according to claim 26, which includes the step of pressing the severed pile strands and the backing together to aid in the fusible securement of the severed pile strands to the backing.
Claim 38
Dependent Claim 82 words
A method according to claim 26, which includes moving the backing in a predetermined path beneath the pile strand block, and wherein the step of severing each fed increment of pile strands includes moving the pile strand block over the backing in the same general direction as that of the backing while also moving the pile strand block past a stationarily mounted severing means so that the severed pile strands are progressively brought into contact with the backing for fusible securement thereto.
Claim 39
Dependent Claim 33 words
A method according to claim 26, wherein the pile strand block is formed by arranging layers of pile yarns in alternation with sheets of compressible material serving as the dividers of the block.
Claim 40
Dependent Claim 35 words
A method according to claim 26, wherein the pile strand block is formed by arranging layers of synthetic continuous filament tows in alternation with sheets of compressible material serving as the dividers of the block.
Claim 41
Dependent Claim 74 words
A method according to claim 26, wherein the sheet material of the dividers is compressible and expansible to substantially its original thickness following being compressed, and wherein the dividers in the block are in compressed condition, and the method further comprising progressively depositing on the backing the severed pile strands for fusible securement thereto, while permitting at least partial expansion of the severed divider portions by advancing the backing relative to the pile strands.

References Cited (Backward Citations)

US2516559A Cited
US2491258A Cited
US2788835A Cited
US3085922A Cited
US3359147A Cited
US3325324A Cited
US3390034A Cited
US3580761A Cited
US3781181A Cited
US3673048A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1978-02-17 1978-08-19 1979-02-18 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1982-02-17 1982-08-19 1983-02-18 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1986-02-17 1986-08-19 1987-02-18 $7700.00 Window Closed / Lapsed

Assigned Categories & Tags

No categories assigned to this patent yet.

Assign Category Tag