Vacuum packaging goods in heat shrinkable plastic bags using fle

Details Vacuum packaging goods in heat shrinkable plastic bags using fle Vacuum packaging goods in heat shrinkable plastic bags using fle

1981-08-21

1984-07-03

Lin, Kuang Y.

Package making

Methods

With contents treating

53512, 53442, 53557, B65B 3102

Patent

active

044571224

ABSTRACT:
A method and apparatus for vacuum packaging goods in heat shrinkable, thermoplastic bags in a vacuum chamber equipped with flexible, heated diaphragms that can be collapsed upon a filled bag to heat it to shrinking temperature.

REFERENCES:
patent: 2681757 (1954-06-01), Kellersman
patent: 3113874 (1963-12-01), Baush et al.
patent: 3120728 (1964-02-01), Snow, Jr. et al.
patent: 3171238 (1965-03-01), Dreyfus
patent: 3470673 (1969-10-01), Tipper
patent: 3471990 (1969-10-01), Bonuchi et al.
patent: 3511021 (1970-05-01), Lyon et al.
patent: 3619974 (1971-11-01), Kupcikevicius
patent: 4132048 (1979-01-01), Day
patent: 4182095 (1980-01-01), Day

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