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:
Jul. 03, 1979
Filed:
Jul. 10, 1978
David H Bartlow, Conroe, TX (US);
Robert M Sommerkamp, Mt. Union, PA (US);
Owens-Corning Fiberglas Corporation, Toledo, OH (US);
Abstract
An upper tank half provided with a manway and a lower tank half provided with a sump are each formed of thermosetting resin reinforced with chopped glass fiber strands and then secured together with several plys of resin-impregnated glass mat applied around the circumference at the joint inside and outside of the tank. Each tank half is flared adjacent the joint to provide half of a tank strengthening rib for the completed tank, which has a diameter larger than its height. Two semicircular perforated olive retaining plates are removably mounted in the upper tank half adjacent the lower end of the manway. Aboveground and underground embodiments of the tank are provided.