Bags for containing liquids

Details Bags for containing liquids Bags for containing liquids

1987-12-04

1989-08-08

Marcus, Stephen

Flexible bags

Miscellaneous

604326, 604408, 493214, B65D 3000

Patent

active

048547379

ABSTRACT:
A bag 10 for containing liquids is formed by welding together two plastic sheets around their peripheries and includes a neck portion 11 for connection to an outlet. An outlet tube 13 is partially inserted into the neck portion leaving a part of the tube with an upstanding seal member 17 outside the neck portion. A sleeve 18 is passed over the neck portion and the sleeve is shrunk into place, urging the neck portion 11 into tight engagement with the outlet tube 13 and effecting a seal between the sleeve 18 and the seal member 17 on the outlet tube 13.

REFERENCES:
patent: 480785 (1892-08-01), Schan
patent: 596502 (1898-01-01), Hardman
patent: 815366 (1906-03-01), Miller
patent: 3648693 (1972-03-01), Koremura
patent: 3659881 (1972-05-01), Tinsley et al.
patent: 3685860 (1972-08-01), Schmidt
patent: 3788676 (1974-01-01), Lossie
patent: 3873018 (1975-03-01), Donnay
patent: 3924883 (1975-12-01), Frank
patent: 4023607 (1977-05-01), Jensen et al.
patent: 4049034 (1977-09-01), Veelka et al.
patent: 4588402 (1986-05-01), Igari et al.
patent: 4641362 (1987-02-01), Muller

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