Air knockout plate and a method for pneumatically knocking...

Plastic and nonmetallic article shaping or treating: processes – Mechanical shaping or molding to form or reform shaped article – Shaping against forming surface

Reexamination Certificate

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Details

C425S437000, C426S513000, C426S516000

Reexamination Certificate

active

07655173

ABSTRACT:
A food portioning system to efficiently output portion food material, the system including a hopper, a mold plate, air knockout assembly, and air and hydraulic cylinders. Flowable food material is put into the hopper where it is pushed into the mold cavity of the mold plate. By the action of the air and hydraulic cylinders, the mold plate is driven to a knockout position where the air knockout assembly releases compressed air onto the mold cavity to knock out the portioned food from the mold cavity.

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patent: 4129159 (1978-12-01), Whetstone
patent: 4578027 (1986-03-01), Koppa et al.
patent: 4832961 (1989-05-01), Aoki
patent: 4987643 (1991-01-01), Powers et al.
patent: 5445512 (1995-08-01), Bradley et al.
patent: 5645869 (1997-07-01), Riubrugent
patent: 5795610 (1998-08-01), London
patent: 5935495 (1999-08-01), Turner et al.
patent: 5980228 (1999-11-01), Soper

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