Patent US3597791A successfully refreshed from Google Patents.
US3597791A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method for producing shirred food casings
Assignee: Union Carbide Corp
•
Filing: 1969-10-22
•
Granted: 1971-08-10
•
Expires: 1989-10-22
Abstract
Abstract Shirring and compression of food casings are accomplished on a multimandrel machine having common drive and control systems for a plurality of casing strands, the steps of shirring, compacting and severing being performed on each mandrel independent of action on each other mandrel despite common drive mechanism. Provision is made for detecting and remedying discontinuities in casing material supplied to each mandrel and automatic systems reject casing lengths deviating form a predetermined standard.
Inventors
- 👤 Walter V Marbach
- 👤 Victor K Naudzius
- 👤 Edward S Sherman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 05:16
CPC Classifications
A; A22; A22C; A22C13/00; A22C13/02
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
106 words
The method of claim 1 wherein a subsequent portion of the tubing fed from the supply source and immediately following the first portion of said tubing is inflated and shirred on the shirring mandrel and is initially compressed while the first shirred portion of tubing is subjected to the second stage of compression on said shirring mandrel, said initially compressed second portion is severed from said supply source and is thereafter subjected to the second stage of compression on said shirring mandrel while the final compression force is applied to said first shirred portion of tubing on said shirring mandrel, and another shirring cycle is started.
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) | 1974-08-09 | 1975-02-08 | 1975-08-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-08-09 | 1979-02-08 | 1979-08-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-08-09 | 1983-02-08 | 1983-08-10 | $7700.00 | Window Closed / Lapsed |