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:
Mar. 16, 2010
Filed:
Mar. 24, 2006
Applicant:
Hidehiro Sasaki, Yokkaichi, JP;
Inventor:
Hidehiro Sasaki, Yokkaichi, JP;
Assignee:
JSP Corporation, , JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C08J 9/00 (2006.01); C08J 9/16 (2006.01);
U.S. Cl.
CPC ...
Abstract
Expanded beads including cell walls which define a plurality of cells and which comprise a base resin containing a polypropylene resin, each of the beads having a through hole extending therein from one end to the other end. The expanded beads have a maximum diameter D(mm), an average cell diameter Lin a radial direction, an average cell diameter Lin a circumferential direction and a maximum through hole diameter H(mm) satisfying the following conditions: L/Lis at least 1.05, H/Dis 0.08 to 0.4 and the ratio H/Lis 0.1 to 10, where D, Land Lare as defined in the specification. The expanded beads may give a foam molding by an in-mold molding method.