Plastic article or earthenware shaping or treating: apparatus – Female mold and means to shape parison directly by internal... – Forming baffle – bottleneck – or handle
Patent
1982-09-24
1984-06-12
Silbaugh, Jan H.
Plastic article or earthenware shaping or treating: apparatus
Female mold and means to shape parison directly by internal...
Forming baffle, bottleneck, or handle
425522, 425535, 425536, 425392, 425395, B29C 1707
Patent
active
044539118
ABSTRACT:
A blow molded single-walled closable container having a compression molded hinge portion is produced by closing a blow mold with a restricted central portion about a parison so as to form two hinge portions and severing the thus formed article into two sections with each of the sections forming a closable container having a top portion and a bottom portion connected by a hinge portion.
REFERENCES:
patent: 2687157 (1954-08-01), Cowan
patent: 3162707 (1964-12-01), Scott
patent: 3317955 (1967-05-01), Schurman
patent: 3327841 (1967-06-01), Schurman
patent: 3795265 (1974-03-01), Schurman
Adams Dwight V.
Jones Floyd L.
Watson Keith M.
Harps Joseph P.
Lee, Jr. William D.
Silbaugh Jan H.
Toney John J.
W. R. Grace & Co.
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