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. 30, 1980
Filed:
Mar. 19, 1979
Applicant:
Inventors:
Julius C Brooks, Huntingdon, PA (US);
Kenneth D Pfeifer, Huntingdon, PA (US);
Robert M Sommerkamp, Mt. Union, PA (US);
Assignee:
Owens-Corning Fiberglas Corporation, Toledo, OH (US);
Primary Examiner:
Int. Cl.
CPC ...
B29C / ; B29C / ; B29C / ;
U.S. Cl.
CPC ...
425438 ; 425441 ; 425471 ;
Abstract
The mandrel includes a generally cylindrical but tapered outer molding surface for forming a sidewall portion of a tank from thermosetting resin and reinforcing material deposited thereon and a tank bottom mold for forming a bottom portion of the tank integrally with the sidewall portion. The tank bottom mold is shiftable to strip a completed tank from the tapered molding surface.