Film applying device with a straw-hole perforator

Details Film applying device with a straw-hole perforator Film applying device with a straw-hole perforator

1977-01-31

1978-06-06

Simpson, Othell M.

Package making

Closing packages and filled receptacles

Separate closure applying

53373, 83649, 225 52, 225 85, B65B 728, B67B 304

Patent

active

040928179

ABSTRACT:
An improvement in a device for advancing an end portion of a strip of heat sealable film along a path from a cartridge to an applying station, sealing the end portion across the lip of a cup and severing the end portion from the strip of film. The device includes a perforating member which cooperates with a support surface in the cartridge before the end portion of the film is advanced to the applying station to perforate around a small portion of the film. The applied film can then be separated along part of the perforations and the small portion can be bent aside to provide an opening through which a drinking straw can be inserted into the cup.

REFERENCES:
patent: 2000432 (1935-05-01), Anderson
patent: 2825406 (1958-03-01), Hagopian
patent: 3184844 (1965-05-01), Cunningham et al.
patent: 3286437 (1966-11-01), Cole
patent: 3345797 (1967-10-01), VON Stoeser
patent: 3457815 (1969-07-01), Cahill
patent: 3501896 (1970-03-01), VON Stoeser et al.
patent: 3507093 (1970-04-01), Marion
patent: 3703066 (1972-11-01), Marion et al.
patent: 3885482 (1975-05-01), Denzin
patent: 3893382 (1975-07-01), Bosse et al.

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