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:
May. 02, 2000
Filed:
Sep. 16, 1998
Takahiro Wakayama, Inashiki-gun, JP;
Riso Kagaku Corporation, Tokyo, JP;
Abstract
The present invention provides a cylinder/piston type volume reduction container which does not occupy much space for storage and transportation, and is easy in disposal and recovery. The container comprises a head tubular body (1) an end of which is closed by an end wall (11) having an outlet (12) for content, a rear tubular body (2) which is fitted in the head tubular body and movable in an axial direction of the head tubular body, and a piston member (3) which is fitted in the rear tubular body and movable in an axial direction of the rear tubular body. The rear tubular body may comprise a plurality of tubular bodies nested in telescopic manner. The rear tubular body and the piston may respectively be fitted in the head tubular body and the rear tubular body by way of scraping members (21, 22, 31, 32) provided on an outer peripheral surface of the rear tubular body or the piston. A spacer (25) may be provided protruding from the outer peripheral surface of the rear tubular body toward the inner peripheral surface of the head tubular body.