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:
Mar. 25, 1980
Filed:
Apr. 18, 1979
Shin-ichi Kubota, Osaka, JP;
Masayuki Horimoto, Sakai, JP;
Kurita Machinery Manufacturing Company Limited, Osaka, JP;
Abstract
An expressing plate comprises a core plate, a pair of flexible fluid-tight sheets applied to the front and back of the core plate and cylindrically connected together at the central prefilt passage bore of the core plate to define a prefilt passage throughgoing bore, an annular body fitted between the core plate throughgoing bore and cylindrical portion of the sheets, and annular body slipping-off preventing members applied to the front and back of the fitting boundary region between the annular body and the core plate to extend over both the core plate and annular body. The slipping-off preventing members are fixed to at least either the core plate or the annular body.