Plastic article or earthenware shaping or treating: apparatus – Female mold and means to shape parison directly by internal... – With means to sever product
Patent
1989-02-10
1990-10-09
Chiesa, Richard L.
Plastic article or earthenware shaping or treating: apparatus
Female mold and means to shape parison directly by internal...
With means to sever product
220 69, 264527, B29C 4950
Patent
active
049617010
ABSTRACT:
According to the preferred embodiment of the present invention, an apparatus for forming base cups for plastic bottles is disclosed wherein a hollow body is blow molded and then cut in half to form two base cups. The side wall of the body is molded with a pair of outwardly extending projections such that when stacking a plurality of base cups, the projection of one cup engages the top lip of the adjacent lower cup thereby making denesting of the top cup easier. After molding the hollow body, the body is transferred to a carrier having clamps for engaging the end walls of the body to move and rotate the bodies past a knife for cutting the body in half to form the two base cups.
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patent: 4103411 (1978-08-01), Gottsegen
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patent: 4539463 (1985-09-01), Piccioli et al.
patent: 4549066 (1985-10-01), Piccioli et al.
patent: 4782728 (1988-11-01), Thatcher
Chiesa Richard L.
Hoover Universal Inc.
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