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:
Aug. 22, 1978
Filed:
Sep. 16, 1976
Applicant:
Inventor:
Jack C Swan, Jr, Boulder, CO (US);
Assignee:
Hanson Industries Inc., Boulder, CO (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B29D / ;
U.S. Cl.
CPC ...
264 26 ; 36 71 ; 36 93 ; 264 454 ; 264223 ; 264D / ; 428306 ; 428315 ; 428327 ; 521 56 ; 521 58 ; 521915 ;
Abstract
Methods involving the use of high frequency heating means and temperature-compensating means to expand hollow, thermoplastic resinous microbeads in a controllable manner. The heat-expanded microbeads are suitable for use, for example, in providing viscous, flowable, pressure-compensating fitting materials or compositions.