Method for application of smoke color to inside of bag

Patent 5514400 Issued on May 7, 1996. Estimated Expiration Date:

June 6, 2015. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.

Abstract Claims Description Full Text

Patent References

3038198

3563764

3673041

3703604

3740921

3760556

3853999

3928938

Apparatus and process for vacuum skin packaging
Patent #: 3950919
Issued on: 04/20/1976
Inventor: Perdue

Vacuum packaging bulk commodities
Patent #: 4132048
Issued on: 01/02/1979
Inventor: Day

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Inventor

Gray, Stephen L.

Assignee

W. R. Grace & Co.-Conn.

Application

No. 468904 filed on 06/06/1995

US Classes:

426/413, Utilizing preformed container99/534, Particular liquid141/69, WITH MATERIAL TREATMENT141/114, WITH MANIPULATION OF FLEXIBLE OR COLLAPSIBLE RECEIVER OR SUPPLY141/313, Flexible or collapsible receiver426/105, MEAT FILLED CASING, SAUSAGE TYPE426/127, Three or more layered packaging materials426/129, Packaged product is animal flesh426/410, In flexible wrapper or container426/415, Utilizing specified wrapping material452/27Fluid lubrication of casing

Examiners

Primary: Czaja, Donald E.
Assistant: Cano, Milton

Attorney, Agent or Firm

Lee, Jr.; William D., Wasatonic; John J., Hurley, Jr.; Rupert B.

Foreign Patent References

2451334 FR. 05/24/2013
3-292366 JP. 05/24/2013
1516498 GB. 07/24/1978

International Class

A22C 011/02

Abstract

A method of packaging meat emulsion in a flexible thermoplastic bag, wherein the bag has dispersed on its insides, prior to insertion of the meat emulsion into the bag, additives such as liquid colorant or liquid smoke, via a squeeze roller and backing plate (or two squeeze rollers), is shown. An apparatus for dispersing the additives via a squeeze roller and backing plate (or two squeeze rollers) is also shown.