Plastic article or earthenware shaping or treating: apparatus – Former of the die expressing type making doughnut shapes
Patent
1985-02-15
1987-01-06
Hoag, Willard E.
Plastic article or earthenware shaping or treating: apparatus
Former of the die expressing type making doughnut shapes
17 32, 4253241, 425383, 425436R, 425448, A22C 700, B29C 4304, B29C 4710
Patent
active
046343628
ABSTRACT:
A device for manufacturing annular shaped products is achieved by forming a recess which extends about a plate-shaped part of a slide which is connected with the surrounding part of the slide with the aid of a few connecting ribs. The thickness of the plate-shaped part is at least substantially equal to the thickness of the slide part surrounding the recess and the height of the connecting ribs is less than said thickness. The undersides of the ribs are at a level above that of the underside of the slide part surrounding the recess. An expelling member is provided with hanging limbs separated from one another by slots in a manner such that the hanging limbs fit in the holes between the connecting ribs. The connecting ribs can fit in the slots.
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patent: 4207654 (1980-06-01), Koppens
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Hoag Willard E.
Koppens Machinefabriek B.V.
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