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US3602106A Expired / Lapsed US ⏱️ 0.0 years remaining

Machine for forming paperboard container bottom closure

Assignee: ELOTRADE AG A SWISS CORP
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Filing: 1969-06-18
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Granted: 1971-08-31
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Expires: 1989-06-18
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Abstract

Abstract A continuous motion container-fabricating machine for forming a paperboard container bottom closure. The machine comprises a support means, a rotary turret provided with a plurality of working stations with a vertically reciprocable container carrier means at each station, a container bottom heater means including floating heater carrier plate and adjustable heater heads on the carrier plate, a bottom closure folding and tucking means including a pair of rotating breaker fingers mounted on the same shaft and operatively associated with a pair of water-cooled guide rails, and a floating pressure rail means operating with a pressure arm sealing assembly.

Inventors

  • 👤 Robert J Allen

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-09 06:28
CPC Classifications
B; B31; B31B; B31B50/00; B31B50/005; B31B50/26

Claims Analysis

Total Claims: 40
Claim 1
Independent Claim 332 words
In a continuous motion container-fabricating machine for receiving, treating and discharging a coated container, the combination comprising: a. support means; b. a rotary turret operatively mounted on said support means and being provided with a plurality of working stations at each of which is operatively mounted a container carrier means; c. heating means operatively mounted on said machine for heating the bottom end closures of a coated container on a container carrier means; d. forming means carried on said support means for forming the bottom end closure panels of a container; e. sealing means operatively mounted on said machine for sealing engagement with the bottom end closures of a coated container after the panels have been heated and formed; f. a stationary hot air plenum mounted on said machine; g. an annular heater head carrier means mounted on said rotary turret and being adapted to revolve over said plenum; h. a plurality of hot air heater heads carried on said heater carrier means and having one of said heads disposed at each of said working stations for coaction with the carrier means at said station; i. said heater carrier means comprising a plurality of arcuate plates which are innerconnected by expansion connection meaNs to permit expansion of the plates relative to each other during a heating operation, and said plates being adapted to convey hot air to said heater heads from said plenum; j. each of said arcuate plates is connected to said rotary turret by, 1. a first hanger having one end fixed to said plate at a central point thereon and the other end thereof fixed on said rotary turret, and, 2. a second hanger fixed to a first end of said plate and to said rotary turret and movably attached to the second end of a first adjacent plate; and k. a third hanger movably attached to the second end of said plate and fixed to the first end of a second adjacent plate and to said rotary turret.
Claim 2
Dependent Claim 332 words
In a continuous motion container-fabricating machine for receiving, treating and discharging a coated container, the combination comprising: a. support means; b. a rotary turret operatively mounted on said support means and being provided with a plurality of working stations at each of which is operatively mounted a container carrier means; c. heating means operatively mounted on said machine for heating the bottom end closures of a coated container on a container carrier means; d. forming means carried on said support means for forming the bottom end closure panels of a container; e. sealing means operatively mounted on said machine for sealing engagement with the bottom end closures of a coated container after the panels have been heated and formed; f. a stationary hot air plenum mounted on said machine; g. an annular heater head carrier means mounted on said rotary turret and being adapted to revolve over said plenum; h. a plurality of hot air heater heads carried on said heater carrier means and having one of said heads disposed at each of said working stations for coaction with the carrier means at said station; i. said heater carrier means comprising a plurality of arcuate plates which are innerconnected by expansion connection meaNs to permit expansion of the plates relative to each other during a heating operation, and said plates being adapted to convey hot air to said heater heads from said plenum; j. each of said arcuate plates is connected to said rotary turret by, 1. a first hanger having one end fixed to said plate at a central point thereon and the other end thereof fixed on said rotary turret, and, 2. a second hanger fixed to a first end of said plate and to said rotary turret and movably attached to the second end of a first adjacent plate; and k. a third hanger movably attached to the second end of said plate and fixed to the first end of a second adjacent plate and to said rotary turret.
Claim 3
Dependent Claim 58 words
a second hanger fixed to a first end of said plate and to said rotary turret and movably attached to the second end of a first adjacent plate; and k. a third hanger movably attached to the second end of said plate and fixed to the first end of a second adjacent plate and to said rotary turret.
Claim 4
Dependent Claim 58 words
a second hanger fixed to a first end of said plate and to said rotary turret and movably attached to the second end of a first adjacent plate; and k. a third hanger movably attached to the second end of said plate and fixed to the first end of a second adjacent plate and to said rotary turret.
Claim 5
Dependent Claim 7 words
a guide post on said rotary turret,
Claim 6
Dependent Claim 7 words
a guide post on said rotary turret,
Claim 7
Dependent Claim 264 words
In a continuous motion container-fabricating machine for receiving, treating and discharging a coated container, the combination comprising: a. support means; b. a rotary turret operatively mounted on said support means and being provided with a plurality of working stations at each of which is operatively mounted a container carrier means; c. heating means operatively mounted on said machine for heating the bottom end closures of a coated container on a container carrier means; d. forming means carried on said support means for forming the bottom end closure panels of a container; e. sealing means operatively mounted on said machine for sealing engagement with the bottom end closures of a coated container after the panels have been heated and formed; f. a stationary hot air plenum mounted on said machine; g. an annular heater head carrier means mounted on said rotary turret and being adapted to revolve over said plenum; h. a plurality of hot air heater heads carried on said heater carrier means and having one of said heads disposed at each of said working stations for coaction with the carrier means at said station; i. said heater carrier means comprising a plurality of arcuate plates which are innerconnected by expansion connection means to permit expansion of the plates relative to each other during a heating operation, and said plates being adapted to convey hot air to said heater heads from said plenum; and, j. said plenum is provided with baffles disposed along the opposite sides thereof to enclose the sides of the travel path of the heater head carrier means over the plenum.
Claim 8
Dependent Claim 264 words
In a continuous motion container-fabricating machine for receiving, treating and discharging a coated container, the combination comprising: a. support means; b. a rotary turret operatively mounted on said support means and being provided with a plurality of working stations at each of which is operatively mounted a container carrier means; c. heating means operatively mounted on said machine for heating the bottom end closures of a coated container on a container carrier means; d. forming means carried on said support means for forming the bottom end closure panels of a container; e. sealing means operatively mounted on said machine for sealing engagement with the bottom end closures of a coated container after the panels have been heated and formed; f. a stationary hot air plenum mounted on said machine; g. an annular heater head carrier means mounted on said rotary turret and being adapted to revolve over said plenum; h. a plurality of hot air heater heads carried on said heater carrier means and having one of said heads disposed at each of said working stations for coaction with the carrier means at said station; i. said heater carrier means comprising a plurality of arcuate plates which are innerconnected by expansion connection means to permit expansion of the plates relative to each other during a heating operation, and said plates being adapted to convey hot air to said heater heads from said plenum; and, j. said plenum is provided with baffles disposed along the opposite sides thereof to enclose the sides of the travel path of the heater head carrier means over the plenum.
Claim 9
Dependent Claim 9 words
a lifter bracket slidably mounted on said guide post,
Claim 10
Dependent Claim 9 words
a lifter bracket slidably mounted on said guide post,
Claim 11
Dependent Claim 99 words
A continuous motion container-fabricating machine as defined in claim 2, wherein: a. said plenum is provided with an elongated opening, over which the heater head carrier means passes, for passage of hot air from the plenum through openings in the carrier means and to the heater heads carried on the carrier means; b. said plenum being provided with at least one elongated open-faced passage on each side of said elongated opening for conveying hot air over the underside of the heater head carrier means as it passes over the hot air plenum and between said baffles and carrier means.
Claim 12
Dependent Claim 17 words
a cam roller on said lifter bracket and operatively engaged with said cam on said support means,
Claim 13
Dependent Claim 17 words
a cam roller on said lifter bracket and operatively engaged with said cam on said support means,
Claim 14
Dependent Claim 257 words
In a continuous motion container-fabricating machine for receiving, treating and discharging a coated container, the combination comprising: a. support means; b. a rotary turret operatively mounted on said support means and being provided with a plurality of working stations at each of which is operatively mounted a container carrier means; c. heating means operatively mounted on said machine for heating the bottom end closures of a coated container on a container carrier means; d. forming means carried on said support means for forming the bottom end closure panels of a container; e. sealing means operatively mounted on said machine for sealing engagement with the bottom end closure of a coated container after the panels have been heated and formed; f. a stationary hot air plenum mounted on said machine; g. an annular heater head carrier means mounted on said rotary turret and being adapted to revolve over said plenum; h. a plurality of hot air heater heads carried on said heater carrier means and having one of said heads disposed at each of said working stations for coaction with the carrier means at said station; i. said heater carrier means comprising a plurality of arcuate plates which are innerconnected by expansion connection means to permit expansion of the plates relative to each other during a heating operation, and said plates adapted to convey hot air to said heater heads from said plenum; and, j. each of said arcuate plates has one end fixed to said rotary turret and the other end movably connected to an adjacent plate.
Claim 15
Dependent Claim 257 words
In a continuous motion container-fabricating machine for receiving, treating and discharging a coated container, the combination comprising: a. support means; b. a rotary turret operatively mounted on said support means and being provided with a plurality of working stations at each of which is operatively mounted a container carrier means; c. heating means operatively mounted on said machine for heating the bottom end closures of a coated container on a container carrier means; d. forming means carried on said support means for forming the bottom end closure panels of a container; e. sealing means operatively mounted on said machine for sealing engagement with the bottom end closure of a coated container after the panels have been heated and formed; f. a stationary hot air plenum mounted on said machine; g. an annular heater head carrier means mounted on said rotary turret and being adapted to revolve over said plenum; h. a plurality of hot air heater heads carried on said heater carrier means and having one of said heads disposed at each of said working stations for coaction with the carrier means at said station; i. said heater carrier means comprising a plurality of arcuate plates which are innerconnected by expansion connection means to permit expansion of the plates relative to each other during a heating operation, and said plates adapted to convey hot air to said heater heads from said plenum; and, j. each of said arcuate plates has one end fixed to said rotary turret and the other end movably connected to an adjacent plate.
Claim 16
Dependent Claim 9 words
said container carrier means including a vertically movable shaft,
Claim 17
Dependent Claim 9 words
said container carrier means including a vertically movable shaft,
Claim 18
Dependent Claim 41 words
A continuous motion container-fabricating machine as defined in claim 4, wherein each of said heater heads comprises: a. a base plate adjustably mounted on said carrier means; and, b. a plurality of hot air distributor members carried on said base plate.
Claim 19
Dependent Claim 28 words
A continuous motion container-fabricating machine as defined in claim 5, wherein: a. at least one of said hot air distributor members is adjustably mounted on said base plate.
Claim 20
Dependent Claim 41 words
link means innerconnecting said lifter bracket and said container carrier means shaft whereby when said lifter bracket is moved upwardly and downwardly by said cam acting on said cam roller said container carrier means shaft is moved upwardly and downwardly, and,
Claim 21
Dependent Claim 41 words
link means innerconnecting said lifter bracket and said container carrier means shaft whereby when said lifter bracket is moved upwardly and downwardly by said cam acting on said cam roller said container carrier means shaft is moved upwardly and downwardly, and,
Claim 22
Dependent Claim 15 words
means innerconnecting said lifter bracket and said shaft to restrict rotation of said lifter bracket.
Claim 23
Dependent Claim 15 words
means innerconnecting said lifter bracket and said shaft to restrict rotation of said lifter bracket.
Claim 24
Dependent Claim 24 words
A continuous motion container-fabricating machine as defined in claim 4, wherein: a. each of said heater heads is adjustably mounted on said carrier means.
Claim 25
Dependent Claim 206 words
In a continuous motion container-fabricating machine for receiving, treating and discharging a coated container, the combination comprising: a. support means; b. a rotary turret operatively mounted on said support means and being provided with a plurality of working stations at each of which is operatively mounted a container carrier means; c. heating means operatively mounted on said machine for heating the bottom end closures of a coated container on a container carrier means; d. forming means carried on said support means for forming the bottom end closure panels of a container; e. sealing means operatively mounted on said machine for sealing engagement with the bottom end closures of a coated container after the panels have been heated and formed; f. a closure panel breaker means; g. a closure-panel-folding means adapted to coact simultaneously with said breaker means; h. said closure panel breaker means comprises a pair of rotatable breaker finger disposed in the path of movement of a container carrier means for operatively engaging first one set of closure panels and then secondly for operatively engaging a second oppositely disposed set of closure panels; and, i. said closure-panel-folding means comprises a pair of guide rails disposed on opposite sides of said pair of rotatable breaker fingers.
Claim 26
Dependent Claim 206 words
In a continuous motion container-fabricating machine for receiving, treating and discharging a coated container, the combination comprising: a. support means; b. a rotary turret operatively mounted on said support means and being provided with a plurality of working stations at each of which is operatively mounted a container carrier means; c. heating means operatively mounted on said machine for heating the bottom end closures of a coated container on a container carrier means; d. forming means carried on said support means for forming the bottom end closure panels of a container; e. sealing means operatively mounted on said machine for sealing engagement with the bottom end closures of a coated container after the panels have been heated and formed; f. a closure panel breaker means; g. a closure-panel-folding means adapted to coact simultaneously with said breaker means; h. said closure panel breaker means comprises a pair of rotatable breaker finger disposed in the path of movement of a container carrier means for operatively engaging first one set of closure panels and then secondly for operatively engaging a second oppositely disposed set of closure panels; and, i. said closure-panel-folding means comprises a pair of guide rails disposed on opposite sides of said pair of rotatable breaker fingers.
Claim 27
Dependent Claim 76 words
A continuous motion container-fabricating machine as defined in claim 8, wherein: a. said pair of rotatable breaker fingers are adapted to rotate on a horizontal axis and in a vertical plane substantially in alignment with the central axis of the path of movement of a container carrier means; and, b. said breaker means includes power means for rotating said breaker fingers at a predetermined angular speed to correspond with the angular speed of the rotary turret.
Claim 28
Dependent Claim 23 words
A continuous motion container-fabricating machine as defined in claim 8, wherein: a. said pair of guide rails comprise a pair of cooled conduits.
Claim 29
Dependent Claim 31 words
A continuous motion container-fabricating machine as defined in claim 8, wherein: a. said pair of guide rails are disposed with their leading ends spaced apart and their trailing ends connected together.
Claim 30
Dependent Claim 85 words
A continuous motion container-fabricating machine as defined in claim 11, wherein: a. the trailing ends of said guide rails are connected to provide a V-shaped plan configuration whereby when a container is moved between the guide rails, the bottom closure tuck-in panel will be engaged by one of the guide rails and folded toward a closed position, and the bottom closure tuck-out panel will be engaged by the other of the guide rails and folded toward a closed overlapping position relative to said tuck-in panel.
Claim 31
Dependent Claim 35 words
A continuous motion container-fabricating machine as defined in claim 12, wherein: a. the guiDe rail engaging said bottom closure tuck-in panel is disposed at a higher elevation than the guide rail engaging the tuck-out panel.
Claim 32
Dependent Claim 38 words
A continuous motion container-fabricating machine as defined in claim 12, wherein: a. said closure-panel-folding means includes a mandrel attached to the trailing ends of said guide rails for providing a final folding action to the container closure panels.
Claim 33
Dependent Claim 44 words
A continuous motion container-fabricating machine as defined in claim 14, wherein: a. said mandrel is provided with a flat extension in the direction of travel of the carrier means to assist in transferring the closed container panels to operative engagement with the sealing means.
Claim 34
Dependent Claim 185 words
In a continuous motion container-fabricating machine for receiving, treating and discharging a coated container, the combination comprising: a. support means; b. a rotary turret operatively mounted on said support means and being provided with a plurality of working stations at each of which is operatively mounted a container carrier means; c. heating means operatively mounted on said machine for heating the bottom end closures of a coated container on a container carrier means; d. forming means carried on said support means for forming the bottom end closure panels of a container; e. sealing means operatively mounted on said machine for sealing engagement with the bottom end closures of a coated container after the panels have been heated and formed; f. a pressure arm sealing assembly including a pressure pad for sealing engagement with the closed bottom end closures of a container; g. said pressure pad being provided with a roller; and, h. a floating pressure rail means operatively mounted on said machine and engageable by said pressure pad roller for exerting a sealing pressure on the container bottom end folded panels for sealing the same.
Claim 35
Dependent Claim 185 words
In a continuous motion container-fabricating machine for receiving, treating and discharging a coated container, the combination comprising: a. support means; b. a rotary turret operatively mounted on said support means and being provided with a plurality of working stations at each of which is operatively mounted a container carrier means; c. heating means operatively mounted on said machine for heating the bottom end closures of a coated container on a container carrier means; d. forming means carried on said support means for forming the bottom end closure panels of a container; e. sealing means operatively mounted on said machine for sealing engagement with the bottom end closures of a coated container after the panels have been heated and formed; f. a pressure arm sealing assembly including a pressure pad for sealing engagement with the closed bottom end closures of a container; g. said pressure pad being provided with a roller; and, h. a floating pressure rail means operatively mounted on said machine and engageable by said pressure pad roller for exerting a sealing pressure on the container bottom end folded panels for sealing the same.
Claim 36
Dependent Claim 40 words
A continuous motion container-fabricating machine as defined in claim 16, wherein said floating pressure rail means comprises: a. a pressure rail support bracket operatively mounted on said machine; and, b. a spring-biased pressure rail operatively mounted on said support bracket.
Claim 37
Dependent Claim 99 words
A continuous motion container-fabricating machine as defined in claim 17, wherein said pressure rail comprises: at least two rail sections; b. means hingedly connecting the adjacent ends of said two rail sections; c. a plurality of springs disposed on said support bracket and engageable with said rail sections for biasing the rail sections into engagement with the roller on the pressure pad; and, d. means for attaching said rail sections to said support bracket to permit movement of the rail sections relative to the support bracket and to limit movement of the rail sections away from the support bracket.
Claim 38
Dependent Claim 77 words
A continuous motion container-fabricating machine as defined in claim 18, wherein: a. said support bracket is carried on a plurality of posts; b. said rotary turret is provided with a cam track on the outer periphery thereof; and, c. each of said posts has its lower end slidably mounted in a vertically disposed retainer fixed on said support means and its upper end provided with a cam roller carried on said cam track on the rotary turret.
Claim 39
Dependent Claim 255 words
In a continuous motion container-fabricating machine for receiving, treating and discharging a coated container, the combination comprising: a. support means; b. a rotary turret operatively mounted on said support means and being provided with a plurality of working stations at each of which is operatively mounted a container carrier means; c. heating means operatively mounted on said machine for heating the bottom end closures of a coated container on a container carrier means; d. forming means carried on said support means for forming the bottom end closure panels of a container; e. sealing means operatively mounted on said machine for sealing engagement with the bottom end closures of a Coated container after the panels have been heated and formed; f. a stationary hot air plenum mounted on said machine; g. an annular heater head carrier means mounted on said rotary turret and being adapted to revolve over said plenum; h. a plurality of hot air heater heads carried on said heater carrier means and having one of said heads disposed at each of said working stations for coaction with the carrier means at said station; i. said heater carrier means comprising a plurality of arcuate plates which are innerconnected by expansion connection means to permit expansion of the plates relative to each other during a heating operation, and said plates being adapted to convey hot air to said heater heads from said plenum; j. means for reciprocating each of said container carrier means between container receiving, treating and discharging positions at predetermined intervals, and including
Claim 40
Dependent Claim 255 words
In a continuous motion container-fabricating machine for receiving, treating and discharging a coated container, the combination comprising: a. support means; b. a rotary turret operatively mounted on said support means and being provided with a plurality of working stations at each of which is operatively mounted a container carrier means; c. heating means operatively mounted on said machine for heating the bottom end closures of a coated container on a container carrier means; d. forming means carried on said support means for forming the bottom end closure panels of a container; e. sealing means operatively mounted on said machine for sealing engagement with the bottom end closures of a Coated container after the panels have been heated and formed; f. a stationary hot air plenum mounted on said machine; g. an annular heater head carrier means mounted on said rotary turret and being adapted to revolve over said plenum; h. a plurality of hot air heater heads carried on said heater carrier means and having one of said heads disposed at each of said working stations for coaction with the carrier means at said station; i. said heater carrier means comprising a plurality of arcuate plates which are innerconnected by expansion connection means to permit expansion of the plates relative to each other during a heating operation, and said plates being adapted to convey hot air to said heater heads from said plenum; j. means for reciprocating each of said container carrier means between container receiving, treating and discharging positions at predetermined intervals, and including

References Cited (Backward Citations)

US3207049A Cited
US3398659A Cited
US3392458A Cited
US3464326A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1974-08-30 1975-03-01 1975-08-31 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1978-08-30 1979-03-01 1979-08-31 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1982-08-30 1983-03-01 1983-08-31 $7700.00 Window Closed / Lapsed

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