Apparatus for forming a collapsible container

Details Apparatus for forming a collapsible container Apparatus for forming a collapsible container

1993-02-01

1994-03-08

Chiesa, Richard L.

Plastic article or earthenware shaping or treating: apparatus

Plural reshaping means or plural vulcanizing means including...

Including means for contacting work by fluid pressure

425343, 4253871, 425397, 425522, B29C 5302

Patent

active

052922421

ABSTRACT:
An apparatus for collapsing and folding an upright container to a compact stackable configuration, the container having a bottom wall, peripheral side wall with at least upper, lower and intermediate annular stepped portions in the peripheral side wall, and a top wall having a discharge opening therein, includes tooling for supporting and holding the container in an upright position; a first forming element for engaging and exerting a downward force on the intermediate annular stepped portion of the peripheral side wall and for effecting the formation of a first folded portion in the peripheral side wall; and a second forming element for engaging and exerting a downward force on the top wall for effecting the formation of a second folded portion in the peripheral side wall, substantially concentric with and radially adjacent the first folded portion.

REFERENCES:
patent: 3597793 (1971-08-01), Weiler et al.
patent: 3819789 (1974-06-01), Parker
patent: 4017250 (1977-04-01), Chang et al.
patent: 4035461 (1977-07-01), Korth
patent: 4079111 (1978-03-01), Uhlig
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patent: 4228121 (1980-10-01), Meadors
patent: 4648934 (1987-03-01), Kiss
patent: 4867313 (1989-09-01), Padovani
patent: 5020691 (1991-06-01), Nye
patent: 5206037 (1993-04-01), Robbins, III
patent: 5224613 (1993-07-01), Robbins, III

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