Patent US3748690A successfully refreshed from Google Patents.
US3748690A
Expired / Lapsed
US
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Sausage filling apparatus
Assignee: Individual
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Filing: 1971-04-08
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Granted: 1973-07-31
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Expires: 1991-04-08
Abstract
Abstract In an apparatus for filling an endless tubular distensible casing closed at one end and extending over a filling pipe, the apparatus including means for constricting said filled casing at predetermined time intervals, means for forming two spaced closures at the constriction, and means for severing said casing between said closures, the improvement which comprises means for releasing additional casing toward said constricting means when the latter are actuated, whereby spaced is provided to take up filling displaced during said constriction. The release of additional casing is achieved by a snubbing element which bears against the filling pipe with the casing therebetween and which is displaced forwardly during constriction. The forward displacement either pushes additional casing forward or releases the casing slightly so it can be pulled forward by the force of displaced filling during constriction.
Inventors
- 👤 H Niedecker
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 20:20
CPC Classifications
A; A22; A22C; A22C11/00; A22C11/02; A22C11/0245; A22C11/0263; B; B65; B65B; B65B61/00; B65B61/28; B65B9/00; B65B9/10; B65B9/15
Claims Analysis
Total Claims: 14
Claim 1
Independent Claim
197 words
An apparatus for filling, with an extrudable filling material such as a sausage composition, a tubular distensible casing having a mouth at one end and closed at the other, such as a sausage casing, said apparatus comprising an extrusion pipe through which said filling material is supplied and about which the mouth of said casing is adapted to be positioned, a snubbing element urging said casing against said pipe and permitting sliding of said casing over said pipe under the force of filling material supplied to said casing during a filling time interval, means for sensing when said casing has been filled to a predetermined extent and operating said snubbing element to slide said casing over said pipe independently of the force of filling during a constricting time interval, means for constricting filled casing beyond the end of said pipe after the sensing means has been actuated, filling material displaced during construction flowing into additional casing which has slid over said pipe during the constricting time interval, means for applying clip means to said casing at its constriction, means for severing said casing adjacent said clip means, and means for restoring said snubbing element to initial position.
Claim 2
Independent Claim
197 words
An apparatus for filling, with an extrudable filling material such as a sausage composition, a tubular distensible casing having a mouth at one end and closed at the other, such as a sausage casing, said apparatus comprising an extrusion pipe through which said filling material is supplied and about which the mouth of said casing is adapted to be positioned, a snubbing element urging said casing against said pipe and permitting sliding of said casing over said pipe under the force of filling material supplied to said casing during a filling time interval, means for sensing when said casing has been filled to a predetermined extent and operating said snubbing element to slide said casing over said pipe independently of the force of filling during a constricting time interval, means for constricting filled casing beyond the end of said pipe after the sensing means has been actuated, filling material displaced during construction flowing into additional casing which has slid over said pipe during the constricting time interval, means for applying clip means to said casing at its constriction, means for severing said casing adjacent said clip means, and means for restoring said snubbing element to initial position.
Claim 3
Dependent Claim
53 words
An apparatus according to claim 1, wherein said snubbing element is slidably displaceable during said constricting time interval from an upstream to a downstream position along said pipe, said displacement being actuated by said sensing means, displacement of said snubbing element carrying said casing therewith to provide the additional casing needed during constriction.
Claim 4
Dependent Claim
42 words
An apparatus according to claim 2, wherein the downstream end of said pipe is of reduced diameter, displacement of said snubbing element to said reduced diameter portion reducing the snubbing force against said casing and permitting said independent sliding of said casing.
Claim 5
Dependent Claim
51 words
An apparatus according to claim 2, wherein said snubbing element includes a resilient lip arranged at a predetermined angle relative to said pipe with said casing therebetween, displacement of said snubbing element serving to reduce the angle between said lip and pipe and thereby permitting said independent sliding of said casing.
Claim 6
Dependent Claim
53 words
An apparatus according to claim 1, wherein said snubbing element comprises a distensible fluid filled annular collar surrounding said pipe with said casing therebetween, withdrawal of fluid from within said collar reducing the force with which said casing is held against said pipe so as to permit said independent sliding of said casing.
Claim 7
Dependent Claim
36 words
An apparatus according to claim 5, wherein the snubbing element comprises at least two components urging said casing against said pipe, one of said components exerting a fixed snubbing force and another a variable snubbing force.
Claim 8
Dependent Claim
30 words
An apparatus according To claim 1, wherein the snubbing element comprises a displaceable resilient ring bearing against the end of said pipe, displacement of said ring varying the snubbing force.
Claim 9
Dependent Claim
45 words
An apparatus according to claim 1, including a sealing ring positioned upstream of said snubbing element and bearing against said pipe with said casing therebetween, whereby air and liquid are prevented from entering said casing from the outside of said pipe during a constricting interval.
Claim 10
Dependent Claim
89 words
In an apparatus having a filling pipe for filling a tubular distensible casing closed at one end and extending over said filling pipe, the apparatus including means for constricting said filled casing, means for actuating said constriction means at predetermined time intervals, means for forming a closure adjacent the constriction, and means for severing said casing adjacent said closure, the improvement which comprises means for advancing additional casing toward said constricting means when the latter is actuated, whereby space is provided to take up filling displaced during said constriction.
Claim 11
Dependent Claim
89 words
In an apparatus having a filling pipe for filling a tubular distensible casing closed at one end and extending over said filling pipe, the apparatus including means for constricting said filled casing, means for actuating said constriction means at predetermined time intervals, means for forming a closure adjacent the constriction, and means for severing said casing adjacent said closure, the improvement which comprises means for advancing additional casing toward said constricting means when the latter is actuated, whereby space is provided to take up filling displaced during said constriction.
Claim 12
Dependent Claim
39 words
An apparatus according to claim 9, wherein said advancing means comprises a snubbing element bearing against said pipe with said casing therebetween, advance of said additional casing being effected by displacement of said snubbing element carrying said casing therewith.
Claim 13
Dependent Claim
79 words
An apparatus according to claim 9, wherein said advancing means comprises a snubbing element, said snubbing element being displaceable between two positions each bearing against said pipe with said casing therebetween, advance of said additional casing being effected by displacement of said snubbing element from its first position to its second position where it bears less forcefully against said pipe so that additional casing can be pulled over said pipe by the force of filling material displaced during constriction.
Claim 14
Dependent Claim
20 words
An apparatus according to claim 9, wherein said means for actuating said constricting means is controlled by the filled casing.
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) | 1976-07-30 | 1977-01-29 | 1977-07-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-07-30 | 1981-01-29 | 1981-07-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-07-30 | 1985-01-29 | 1985-07-31 | $7700.00 | Window Closed / Lapsed |