The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Dec. 20, 1988
Filed:
Jun. 23, 1986
Hirotaka Nishida, Osaka, JP;
Taisei Kako Co., Ltd., Osaka, JP;
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.