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:
Sep. 28, 1976
Filed:
Aug. 06, 1975
Applicant:
Inventors:
Assignee:
Toyo Kohan Co., Ltd., Tokyo, JA;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B32B / ;
U.S. Cl.
CPC ...
428306 ; 249114 ; 428308 ; 428309 ; 428325 ; 428328 ; 428332 ;
Abstract
A metal mold for forming glass articles having a porous lining layer having an excellent heat-insulating property and the abrasion resistance at high temperature, porous lining layer being so designed that a suitable amount of water can be contained therein. As the lining material, there are used materials having an excellent heat-insulating property, such as hollow glass powder and diatomaceous earth, and materials having excellent abrasion resistance, such as metal powder and ceramic powder. Mainly a heat-resistant polymeric adhesive is used for lining such material on a metal mold.