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US3901140A Expired / Lapsed US ⏱️ 0.0 years remaining

Bacon press with slab ejector

Assignee: Cashin Systems Corp
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Filing: 1973-11-14
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Granted: 1975-08-26
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Expires: 1993-11-14
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Abstract

Abstract A press for compressing slabs of bacon or the like including a base, a plurality of platens carried by the base forming a chamber adapted for heightwise, lateral and endwise compression of a slab of bacon placed in the chamber to a desired thickness. One of the platens, constituting a rear platen, is stationary relative to the base and the other platens are movable relative to the stationary rear platen and relative to one another for compressing and molding the bacon slab. The forward end platen is movable to a retracted or displaced position clear of the forward end of the chamber. Ejection means are carried by the stationary rear platen including a pusher forming a part of the rear platen, the pusher being movable forwardly therefrom for pushing the molded bacon slab forwardly out of the chamber so as to enable an operator standing at an operating station readily to remove the compressed bacon slab without having to reach into the chamber or to move from his operating position.

Inventors

  • 👤 Jr Daniel Dohm

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-03 14:22
CPC Classifications
A; A22; A22C; A22C7/00; A22C7/0023

Claims Analysis

Total Claims: 9
Claim 1
Independent Claim 337 words
In a press having a fixed bed, controls for operating the press located at one end thereof constituting the forward end of the press and thus defining an operator''s station where an operator stands to operate the press, a plurality of platens defining a chamber in which a slab of bacon or the like may be molded, means for moving at least one of the platens relative to the others for heightwise, lateral and endwise compression of the slab, one of said platens constituting a rear platen being fixed relative to said Bed, another of said platens constituting a front platen adjacent said operating station being movable between a compressing position in which it closes the front of the compressing chamber and a retracted position in which it is clear of the front of the chamber to permit a slab in the chamber to be ejected endwise therefrom, and another of said platens constituting a bottom platen being movable fore and aft relative to said bed below said rear platen, said bottom platen carrying said front platen when the latter is in its compressing position for endwise compression of the slab between said fixed rear platen and said movable front platen; means for at least partially ejecting a slab from the front of the chamber, said ejecting means comprising a fluid power unit secured to the back face of said fixed rear platen and immovable relative to said fixed bed, a piston rod extending through said rear platen, and a pusher carried by said rod, said fixed rear platen having an opening therein for reception of said pusher, the latter being movable between a retracted position in which it is received within said opening in said rear platen and forms a part thereof with its face flush with the face of said rear platen for engagement with the slab and for endwise compression of the slab and a forward ejecting position in which at least the forward end of the molded slab extends out of the chamber.
Claim 2
Dependent Claim 337 words
In a press having a fixed bed, controls for operating the press located at one end thereof constituting the forward end of the press and thus defining an operator''s station where an operator stands to operate the press, a plurality of platens defining a chamber in which a slab of bacon or the like may be molded, means for moving at least one of the platens relative to the others for heightwise, lateral and endwise compression of the slab, one of said platens constituting a rear platen being fixed relative to said Bed, another of said platens constituting a front platen adjacent said operating station being movable between a compressing position in which it closes the front of the compressing chamber and a retracted position in which it is clear of the front of the chamber to permit a slab in the chamber to be ejected endwise therefrom, and another of said platens constituting a bottom platen being movable fore and aft relative to said bed below said rear platen, said bottom platen carrying said front platen when the latter is in its compressing position for endwise compression of the slab between said fixed rear platen and said movable front platen; means for at least partially ejecting a slab from the front of the chamber, said ejecting means comprising a fluid power unit secured to the back face of said fixed rear platen and immovable relative to said fixed bed, a piston rod extending through said rear platen, and a pusher carried by said rod, said fixed rear platen having an opening therein for reception of said pusher, the latter being movable between a retracted position in which it is received within said opening in said rear platen and forms a part thereof with its face flush with the face of said rear platen for engagement with the slab and for endwise compression of the slab and a forward ejecting position in which at least the forward end of the molded slab extends out of the chamber.
Claim 3
Dependent Claim 55 words
In a press as set forth in claim 1, said fluid power unit having a stroke of such length that the ejected slab extends out through the open forward end of the chamber thereby to be manually grasped by the operator standing at the operator''s station for removal of the slab from the molding chamber.
Claim 4
Dependent Claim 37 words
In a press as set forth in claim 1 wherein said pusher is movable from its retracted position to its ejecting position across the top face of said bottom platen for ejecting said slab from the chamber.
Claim 5
Dependent Claim 69 words
In a press as set forth in claim 3 wherein another of said platens is a top platen movable downwardly to compress said slab in the chamber and movable upwardly to permit ejection of said slab, said fluid power unit being actuable in response to movement of said top platen to its raised position thereby to initiate operation of the ejecting means for ejecting a slab from said chamber.
Claim 6
Dependent Claim 69 words
In a press as set forth in claim 4 wherein said ejecting means comprises a solenoid valve actuable to admit fluid under pressure into one end of said fluid power unit thereby to effect movement of said pusher from its retracted to its ejecting position and then to admit fluid under pressure into the other end of said fluid power unit to return the pusher to its retracted position.
Claim 7
Dependent Claim 49 words
In a press as set forth in claim 5, said ejecting means further comprising a switch actuable by said top platen as it returns to its raised retracted position thereby to energize said solenoid valve to effect movement of the pusher from its retracted position to its extended position.
Claim 8
Dependent Claim 41 words
In a press as set forth in claim 6, said ejecting means further comprising a timer operable to deenergize said solenoid after a predetermined time interval thereby to effect movement of said pusher from its ejecting position to its retracted position.
Claim 9
Dependent Claim 28 words
In a press as set forth in claim 3 wherein said fluid cylinder unit is spaced above said bottom platen thereby to permit fore-and-aft movement of the latter.

References Cited (Backward Citations)

US2229862A Cited
US2850966A Cited
US2985101A Cited
US3146697A Cited
US3285161A Cited
US3285162A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1978-08-25 1979-02-24 1979-08-26 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1982-08-25 1983-02-24 1983-08-26 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1986-08-25 1987-02-24 1987-08-26 $7700.00 Window Closed / Lapsed

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