US3881326A
Expired / Lapsed
US
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Device for and method of making a knitted band having a spiral zipper incorporated therein
Assignee: Elastelle Paul Fontanille & Fils
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Filing: 1973-02-22
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Granted: 1975-05-06
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Expires: 1993-02-22
Abstract
Abstract The present invention relates to a device for and method making a knitted band having on one of its edges a zipper spiral for the purpose of forming one of the halves of a zipper.
Inventors
- 👤 Alain Bourgeois
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 10:28
CPC Classifications
A; A44; A44B; A44B19/00; A44B19/24; A44B19/34; A44B19/343; A44B19/42; A44B19/52; A44B19/56
Claims Analysis
Total Claims: 9
Claim 1
Independent Claim
286 words
A method of making a knitted band having a zipper spiral securely incorporated into a longitudinal edge thereof, said zipper spiral having a plurality of turns with a plurality of hooking means extending outwardly therefrom, said method comprising the steps of: warp-knitting said band with stitch threads and weft threads in longitudinal columns of stitches interconnected with each other, said stitch threads and weft threads being guided as a layer to said band during the knitting thereof; placing said zipper spiral adjacent the longitudinal exterior edge of said band during the knitting of said band with said hooking means being directed away therefrom, the longitudinal axis of said zipper spiral being essentially perpendicular to the plane of said layer of stitch and weft threads and essentially aligned with the plane of said bend; passing said zipper spiral through a guide tube positioned immediately forward of and axially perpendicular to said layer of threads; moving said zipper spiral longitudinally through said guide tube during the knitting of said band in accordance with the formation cycle of said stitches; and simultaneously passing each of said turns transversely through at least one column of stitches being formed on the longitudinal exterior edge of said band by moving said guide tube in a uniform, essentially rectilinear cyclic manner perpendicular to its longitudinal axis and parallel with the plane of said band, said guide tube moving said zipper spiral in a direction transverse to and in the same plane with the band being formed so as to pass at least one of said threads on both sides of each turn of said zipper spiral to secure each turn in at least one stitch of said bend at its longitudinal exterior edge.
Claim 2
Independent Claim
286 words
A method of making a knitted band having a zipper spiral securely incorporated into a longitudinal edge thereof, said zipper spiral having a plurality of turns with a plurality of hooking means extending outwardly therefrom, said method comprising the steps of: warp-knitting said band with stitch threads and weft threads in longitudinal columns of stitches interconnected with each other, said stitch threads and weft threads being guided as a layer to said band during the knitting thereof; placing said zipper spiral adjacent the longitudinal exterior edge of said band during the knitting of said band with said hooking means being directed away therefrom, the longitudinal axis of said zipper spiral being essentially perpendicular to the plane of said layer of stitch and weft threads and essentially aligned with the plane of said bend; passing said zipper spiral through a guide tube positioned immediately forward of and axially perpendicular to said layer of threads; moving said zipper spiral longitudinally through said guide tube during the knitting of said band in accordance with the formation cycle of said stitches; and simultaneously passing each of said turns transversely through at least one column of stitches being formed on the longitudinal exterior edge of said band by moving said guide tube in a uniform, essentially rectilinear cyclic manner perpendicular to its longitudinal axis and parallel with the plane of said band, said guide tube moving said zipper spiral in a direction transverse to and in the same plane with the band being formed so as to pass at least one of said threads on both sides of each turn of said zipper spiral to secure each turn in at least one stitch of said bend at its longitudinal exterior edge.
Claim 3
Independent Claim
370 words
A method of simultaneously making a pair of knitted bands with each band of said pair having a zipper spiral securely incorporated into a longitudinal edge thereof, each of said zipper spirals having a plurality of turns with a plurality of hooking means extending outwardly therefrom, said zipper spirals being hooked together so as to join said pair of knitted bands, said method comprising the steps of: hooking said zipper spirals together to form a zipper; simultaneously warp-knitting each of said bands with stitch threads and weft threads in longitudinal columns of stitches interconnected with each other, said stitch threads and weft threads being guided as parallel layers to said bands during the knitting thereof, said bands being positioned and knitted adjacent each other; placing said zipper between the longitudinal adjacent edges of said bands during the knitting of said bands, said zipper spirals being separated during the formation of said bands with their longitudinal axes being essentially perpendicular to the planes of said layers of stitCh and weft threads and essentially aligned with the planes of said bands; passing said zipper spirals through guide tubes each of which is positioned immediately forward of and axially perpendicular to one of said layers of threads; moving said separated zipper spirals longitudinally through said guide tubes during the knitting of said bands in accordance with the formation cycle of said stitches; simultaneously passing each of said turns of each zipper spiral transversely through at least one column of stitches being formed on the longitudinal edge of the band adjacent to said spiral by moving said guide tubes in a uniform, essentially rectilinear cyclic manner perpendicular to their longitudinal axes and parallel with the planes of said bands, said guide tubes moving said zipper spirals in a direction transverse to and in the same plane with the band being formed adjacent thereto so as to pass at least one of said threads on both sides of each turn of each zipper spiral to secure each turn of each spiral in at least one stitch of the longitudinal edge of the band being formed adjacent to that spiral; and joining together said pair of knitted bands by hooking together the zipper spirals incorporated therein.
Claim 4
Independent Claim
370 words
A method of simultaneously making a pair of knitted bands with each band of said pair having a zipper spiral securely incorporated into a longitudinal edge thereof, each of said zipper spirals having a plurality of turns with a plurality of hooking means extending outwardly therefrom, said zipper spirals being hooked together so as to join said pair of knitted bands, said method comprising the steps of: hooking said zipper spirals together to form a zipper; simultaneously warp-knitting each of said bands with stitch threads and weft threads in longitudinal columns of stitches interconnected with each other, said stitch threads and weft threads being guided as parallel layers to said bands during the knitting thereof, said bands being positioned and knitted adjacent each other; placing said zipper between the longitudinal adjacent edges of said bands during the knitting of said bands, said zipper spirals being separated during the formation of said bands with their longitudinal axes being essentially perpendicular to the planes of said layers of stitCh and weft threads and essentially aligned with the planes of said bands; passing said zipper spirals through guide tubes each of which is positioned immediately forward of and axially perpendicular to one of said layers of threads; moving said separated zipper spirals longitudinally through said guide tubes during the knitting of said bands in accordance with the formation cycle of said stitches; simultaneously passing each of said turns of each zipper spiral transversely through at least one column of stitches being formed on the longitudinal edge of the band adjacent to said spiral by moving said guide tubes in a uniform, essentially rectilinear cyclic manner perpendicular to their longitudinal axes and parallel with the planes of said bands, said guide tubes moving said zipper spirals in a direction transverse to and in the same plane with the band being formed adjacent thereto so as to pass at least one of said threads on both sides of each turn of each zipper spiral to secure each turn of each spiral in at least one stitch of the longitudinal edge of the band being formed adjacent to that spiral; and joining together said pair of knitted bands by hooking together the zipper spirals incorporated therein.
Claim 5
Dependent Claim
365 words
A retilinear warp-knitting machine for forming a knitted band having a zipper spiral securely incorporated into a longitudinal edge thereof, said zipper spiral having a plurality of turns with a plurality of hooking means extending outwardly therefrom and said knitting machine having a working zone wherein said band is formed, comprising: a plurality of thread guiding members for guiding threads in a layer to said working zone; a plurality of essentially parallel latch needles arranged face-to-face with said thread guiding members in essentially parallel vertical planes, said needles moving in an alternating fashion to form the stitches of said band with at least one of said needles being separated form the remaining needles at the selvedge of said working zone by a distance approximately equal to the transverse dimension of said zipper spiral, said separated needle forming at least one column of stitches located on the longitudinal edge of said knitted band; means located upstream of said working zone for distributing and imparting a forward movement to said zipper spiral, said zipper spiral moving essentially perpendicular to the plane of said latch needles and parallel with the plane of said band; a tubular guiding member through which said zipper spiral passes located between said spiral distributing means and said working zone proximate to said working zone and axially perpencicular to the plane of said needles, said tubular guiding member being disposed to move independently of said thread guiding members in an essentially uniform, rectilinear cyclic manner perpendicular to its longitudinal axis and parallel with the plane of said band so as to pass transversely in front of and to each side of said separated needle, said tubular guiding member repeatedly moving said zipper spiral to alternate sides of said separated needle in a direction transverse to and in the same plane with the band being formed so as to pass at least one of said threads on both sides of each turn of said zipper spiral to secure each turn in at least one stitch of said band at its longitudinal exterior edge; and tensioning means located at the outlet of said working zone for guiding said knitted band having said zipper spiral incorporated therein.
Claim 6
Dependent Claim
365 words
A retilinear warp-knitting machine for forming a knitted band having a zipper spiral securely incorporated into a longitudinal edge thereof, said zipper spiral having a plurality of turns with a plurality of hooking means extending outwardly therefrom and said knitting machine having a working zone wherein said band is formed, comprising: a plurality of thread guiding members for guiding threads in a layer to said working zone; a plurality of essentially parallel latch needles arranged face-to-face with said thread guiding members in essentially parallel vertical planes, said needles moving in an alternating fashion to form the stitches of said band with at least one of said needles being separated form the remaining needles at the selvedge of said working zone by a distance approximately equal to the transverse dimension of said zipper spiral, said separated needle forming at least one column of stitches located on the longitudinal edge of said knitted band; means located upstream of said working zone for distributing and imparting a forward movement to said zipper spiral, said zipper spiral moving essentially perpendicular to the plane of said latch needles and parallel with the plane of said band; a tubular guiding member through which said zipper spiral passes located between said spiral distributing means and said working zone proximate to said working zone and axially perpencicular to the plane of said needles, said tubular guiding member being disposed to move independently of said thread guiding members in an essentially uniform, rectilinear cyclic manner perpendicular to its longitudinal axis and parallel with the plane of said band so as to pass transversely in front of and to each side of said separated needle, said tubular guiding member repeatedly moving said zipper spiral to alternate sides of said separated needle in a direction transverse to and in the same plane with the band being formed so as to pass at least one of said threads on both sides of each turn of said zipper spiral to secure each turn in at least one stitch of said band at its longitudinal exterior edge; and tensioning means located at the outlet of said working zone for guiding said knitted band having said zipper spiral incorporated therein.
Claim 7
Dependent Claim
43 words
The method according to claim 2, wherein a plurality of said pairs of knitted bands positioned laterally to one another are simultaneously formed, said pairs being joined together at their adjacent, spiral-free longitudinal edges with auxiliary threads during the knitting of said bands.
Claim 8
Dependent Claim
72 words
A knitting machine according to claim 3, wherein a horizontal holding bar parallel to the plane of said needles is located at the outlet of said working zone above said knitted band to prevent upward moveMents of said band caused by the movement of said needles, and wherein said tensioning means comprises a roller disposed to rotate in the same direction as the movement of said zipper spiral and said knitted band.
Claim 9
Dependent Claim
59 words
A knitting machine according to claim 3, wherein said spiral distributing means comprises a threaded shaft seated in a grooved plate, the threads of said shaft having a pitch approximately equal to that of said zipper spiral, said zipper spiral being housed in the continuous passageway defined by said threads and the surface of the groove in said plate.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1978-05-05 | 1978-11-04 | 1979-05-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1982-05-05 | 1982-11-04 | 1983-05-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1986-05-05 | 1986-11-04 | 1987-05-06 | $7700.00 | Window Closed / Lapsed |