Apparatus for the production of pile-up lids

Details Apparatus for the production of pile-up lids Apparatus for the production of pile-up lids

1997-08-11

1999-12-21

Silbaugh, Jan H.

Plastic article or earthenware shaping or treating: apparatus

Preform reshaping or resizing means: or vulcanizing means...

Coacting shaping surfaces

206508, 220781, 264296, 264320, 425394, 425400, 425436R, 425DIG127, B29C 4336, B29C 4350

Patent

active

060041250

ABSTRACT:
An apparatus for the production of pile-up lids, each of which comprises an upper wall (1) and an element (2) arranged around the perimeter of said upper wall (1) and which forms a lip (3) protruding above said upper wall (1), and skirt (4) extending below said upper wall (1). The apparatus is used for carrying out a process which includes bringing together in a synchronous manner external sector elements (9) and internal sector elements (10) in radially opposite directions so that, owing to the forced approach of the contact surfaces of the external and internal sector elements (9, 10) with said upper lip (3) of said lid interposed between them, a reeding pressure-moulding is obtained on both the inner and the outer surfaces of said upper lip (3), giving said lip (3) an outline to allow piling up on other similar lids.

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