Plastic and nonmetallic article shaping or treating: processes – Mechanical shaping or molding to form or reform shaped article – To produce composite – plural part or multilayered article
Patent
1979-01-08
1980-04-15
Hoag, W. E.
Plastic and nonmetallic article shaping or treating: processes
Mechanical shaping or molding to form or reform shaped article
To produce composite, plural part or multilayered article
264292, 264313, 29D 3100, B29C 1700
Patent
active
041983653
ABSTRACT:
A method of applying a bag to an aerosol type container wherein the product bag is formed of a stretchable material. An upper part of the product bag is first positioned on a tool, after which the product bag is inserted into the can until the upper part becomes seated on the curl which defines a valve cup receiving opening. Then the tool is actuated to effect a radial outward stretching and deformation of the bag upper part with the bag upper part being formed about the curl and thus secured in place relative to the curl. The tool is then removed, the product bag filled with the product, and the customary valve cup positioned.
REFERENCES:
patent: 1965876 (1934-07-01), Bettis
patent: 3096546 (1963-07-01), Edwards
patent: 3180337 (1965-04-01), Smialowski
patent: 3490651 (1970-01-01), Abplanalp
patent: 3526955 (1970-09-01), Cilione
patent: 3557275 (1971-01-01), Longshaw et al.
patent: 3828977 (1974-08-01), Borchert
patent: 4045860 (1977-09-01), Winckler
patent: 4124675 (1978-11-01), McFarlane
Brown Charles E.
Hoag W. E.
The Continental Group Inc.
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