Title: Liberating meat from slaughtered animals, and a press for separating meat from bones

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Claims: I claim:

1. A press for separating flesh from bones which comprises a chamber for receiving a charge of bones with flesh attached; a plunger moveable axially in said chamber to compress the bones and flesh therein and thereby liberate from the bones flesh in the form of a paste; means in said chamber defining restricted size passages allowing the exit from the chamber of said flesh paste and retaining in the chamber the bones; cover means connected to said chamber to define a passage for the discharge of compressed bones from the chamber; and valve means associated with said cover means and operable to selectively open and close said passage to allow discharge of the bones therefrom when open, and to seal the passage and thereby retain the bones in the chamber when closed.

2. A press according to claim 1 wherein the means in said chamber defining said restricted size passages includes a plurality of ring members disposed adjacent said cover means and defining a plurality of radial passages for the outflow of flesh paste and a frustro-conical surface disposed for contact with the bones to retain same within the chamber.

3. A press according to claim 2 wherein said covering means has a frustro-conical surface defining a portion of said passage which frustro-conical surface adjoins in smoothly merging relationship, the frustro-conical surface defined by said ring members.

4. A press according to claim 1 wherein said valve means includes a gate member moveable in slidable engagement with said cover means to selectively open and close said passage.

5. A press according to claim 1 wherein said plunger is fitted within said chamber for movement axially and with a peripheral clearance, and including means defining a passage through said chamber communicating with the peripheral clearance space between said plunger and chamber to accommodate the exit of flesh paste by flow through said peripheral clearance space.

Other info:

Inventors: van Bergen, Theodorus M. (Oss, NL)

Application Number: 541849
Filing Date: 1975-01-17
Publication_date: 1977-03-29
Assignee: Protecon B.V. (NL)
Primary Class(es): 241/69 241/84, 452/138
Other Classes:
US Patent Ref:

254812	Mar, 1982	Gathmann	99/537.
3471299	Oct, 1969	Duckworth et al.	17/1.
3741772	Jun, 1973	McFarland	17/46.
3813731	Jun, 1974	Becker et al.	17/32.
3841569	Oct, 1974	Engelhardt et al.	17/46.
3909881	Oct, 1975	Anderson	17/32.

Other Refs: 1,066,902138,830

May, 1958	DT
Sep, 1960	SU

Primary Examiner: Mancene, Louis G.
Assistant Examiner: Hamilton, James D.
Attorney: Bucknam and Archer