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:
Oct. 20, 1987
Filed:
May. 23, 1986
Applicant:
Inventors:
Georges Broihanne, Pau, FR;
Pierre Magnier, Chatenay-Malabry, FR;
Assignees:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B22C / ; B22C / ;
U.S. Cl.
CPC ...
164361 ; 164518 ; 164525 ; 164526 ; 106 3835 ; 106 3823 ;
Abstract
There is disclosed a mould for lost pattern casting. The shell of the mould comprises a graphite coating and a hydrocarbon binder. The binder comprises a polyol with at least three alcohol functions such as pentaerithritol.