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. 01, 1998
Filed:
Sep. 19, 1996
Applicant:
Inventor:
Yasuhiko Kobayashi, Toyota, JP;
Assignee:
Neo-Ex Lab. Inc., Toyota, JP;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B32B / ; B29C / ;
U.S. Cl.
CPC ...
428 67 ; 264 453 ; 264 464 ; 264 48 ; 264259 ; 2642711 ; 264275 ; 264D / ; 428 99 ; 428206 ; 4283179 ; 428329 ;
Abstract
A blocking device for filling a cavity in a hollow structural member includes a foamable material, and magnetic member embedded on a surface of the foamable material, the magnetic member is secured within the hollow structural member and the foamable material is foamed and expanded by the application of heat so that the cavity is filled.