US3890675A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Product stuffing apparatus
Assignee: Union Carbide Corp
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Filing: 1973-08-03
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Granted: 1975-06-24
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Expires: 1993-08-03
Abstract
Abstract Apparatus for stuffing product into a flexible casing comprising a stuffing horn having at its discharge end an internal tapered portion. Movably mounted in the bore of the horn is a product stoppering and severing device mating with the internal taper.
Inventors
- 👤 Joseph A Nausedas
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 17:29
CPC Classifications
A; A22; A22C; A22C11/00; A22C11/10; A22C11/104; A22C11/02
Claims Analysis
Total Claims: 3
Claim 1
Independent Claim
111 words
Apparatus for stuffing a viscous pumpable product into a flexible casing, which apparatus comprises a. a stuffing horn having an inlet end and a discharge end for said product, said discharge end having an external portion and an internal tapered portion; b. a movable product stoppering means internally mounted in said stuffing horn and having a tapered portion adapted to seat against the internal tapered portion of said discharge end and a circumferential knife edge in advance of said tapered portion thereof; c. means for advancing product to be stuffed through said horn; and d. means for moving said stoppering means into and out of engagement with said internal tapered portion.
Claim 2
Dependent Claim
111 words
Apparatus for stuffing a viscous pumpable product into a flexible casing, which apparatus comprises a. a stuffing horn having an inlet end and a discharge end for said product, said discharge end having an external portion and an internal tapered portion; b. a movable product stoppering means internally mounted in said stuffing horn and having a tapered portion adapted to seat against the internal tapered portion of said discharge end and a circumferential knife edge in advance of said tapered portion thereof; c. means for advancing product to be stuffed through said horn; and d. means for moving said stoppering means into and out of engagement with said internal tapered portion.
Claim 3
Dependent Claim
18 words
Apparatus as defined by claim 1 in which said stoppering means is loosely secured on said stopper-moving means.
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) | 1978-06-23 | 1978-12-23 | 1979-06-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1982-06-23 | 1982-12-23 | 1983-06-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1986-06-23 | 1986-12-23 | 1987-06-24 | $7700.00 | Window Closed / Lapsed |