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US3638389A Expired / Lapsed US ⏱️ 0.0 years remaining

Process and apparatus for vacuum packaging poultry

Assignee: WR Grace and Co
•
Filing: 1970-03-03
•
Granted: 1972-02-01
•
Expires: 1990-03-03
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Abstract

Abstract A process for vacuum packaging poultry in bags of shrinking films in which the eviscerated poultry is placed in the bag, a vacuum is created in the bag and the bag is hermetically sealed, the novel features being that a tube protruding toward the outside is inserted into the body cavity of the poultry, a vacuum is created in the body cavity and the bag by means of a vacuum device equipped with a vacuum mouthpiece, the mouthpiece is withdrawn and the bag sealed, the tube either remaining in the bag or being withdrawn together with the vacuum mouthpiece.

Inventors

  • 👤 Robert Edward Sherwood

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-04 19:39
CPC Classifications
B; B65; B65B; B65B31/00; B65B31/04; B65B31/06

Claims Analysis

Total Claims: 5
Claim 1
Independent Claim 106 words
In a vacuum packaging process in which eviscerated poultry is placed in a plastic bag, a vacuum created in the bag by means of a vacuum device equipped with a vacuum mouthpiece and the bag hermetically sealed thereafter, the improvement comprising the steps of: a. inserting a tube into the body cavity of the poultry whereby said tube protrudes towards the outside; b. creating a vacuum in said body cavity by means of said tube and said vacuum device; c. withdrawing said vacuum device; d. preventing removal of said tube from Said body cavity; and, e. sealing the bag, with the tube remaining within the bag.
Claim 2
Dependent Claim 106 words
In a vacuum packaging process in which eviscerated poultry is placed in a plastic bag, a vacuum created in the bag by means of a vacuum device equipped with a vacuum mouthpiece and the bag hermetically sealed thereafter, the improvement comprising the steps of: a. inserting a tube into the body cavity of the poultry whereby said tube protrudes towards the outside; b. creating a vacuum in said body cavity by means of said tube and said vacuum device; c. withdrawing said vacuum device; d. preventing removal of said tube from Said body cavity; and, e. sealing the bag, with the tube remaining within the bag.
Claim 3
Dependent Claim 29 words
The method of claim 1 wherein said tube is detachably connected to said vacuum mouthpiece and including the step of releasing the tube as the vacuum mouthpiece is withdrawn.
Claim 4
Dependent Claim 54 words
In a vacuum device for vacuum packaging eviscerated poultry in plastic bags, the improvement comprising: a. a retractable vacuum mouthpiece adapted to receive the conically narrowing head of a tube, said mouthpiece being enlarged in the form of a funnel; b. carrier means for said tube associated with said mouthpiece, said carrier means comprising:
Claim 5
Dependent Claim 54 words
In a vacuum device for vacuum packaging eviscerated poultry in plastic bags, the improvement comprising: a. a retractable vacuum mouthpiece adapted to receive the conically narrowing head of a tube, said mouthpiece being enlarged in the form of a funnel; b. carrier means for said tube associated with said mouthpiece, said carrier means comprising:

References Cited (Backward Citations)

US2368624A Cited
US2812628A Cited
US3178063A Cited
US3511020A Cited
US3527018A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1975-01-31 1975-08-02 1976-02-01 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1979-01-31 1979-08-02 1980-02-01 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1983-01-31 1983-08-02 1984-02-01 $7700.00 Window Closed / Lapsed

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