Dispensing – Collapsible wall-type container – Nonmetallic
Patent
1986-06-23
1988-12-20
Huppert, Michael S.
Dispensing
Collapsible wall-type container
Nonmetallic
222541, B65D 3508
Patent
active
047920610
ABSTRACT:
A collapsible squeeze tube for containing creamlike substances including a cylindrical body formed of a laminated sheet, a head formed of synthetic resin fixed on the cylindrical body, and a membrane cap closing and opening at a top end of the head. The head includes a shoulder member on the cylindrical body and a mouth member integrally formed on the shoulder member. The head includes bonded inside and outside layer members, one being formed of a waterproof synthetic resin material and the other being formed of a gas impermeable synthetic resin material. A membrane cap closing the opening is formed of a thin laminated sheet having a synthetic resin film on an outward surface thereof fitted between an upper end surface of the inside layer member and a receiving seat surface of the outside layer member, and welded to the outside layer member. In the preferred embodiment, the laminated sheet of the cylindrical body has an inside synthetic resin layer overlapping and welded to the outside surface of the outside layer member of the head over the shoulder member thereof.
REFERENCES:
patent: 3260411 (1966-07-01), Dobson
patent: 4011968 (1977-03-01), McGhie et al.
patent: 4185757 (1980-01-01), Schultz
patent: 4548338 (1985-10-01), Sander
patent: 4568001 (1986-02-01), Sander
Huppert Michael S.
Taisei Kako Co., Ltd.
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