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. 04, 2001
Filed:
Oct. 26, 1998
Applicant:
Inventors:
Assignee:
Kao Corporation, Tokyo, JP;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B29C 4/964 ;
U.S. Cl.
CPC ...
B29C 4/964 ;
Abstract
A blow molding process in which a gas is blown into a parison within a mold to inflate the parison, the parison makes intimate contact with a mold shaping portion to form a hollow molded product, and the gas within the hollow molded product is discharged for cooling, the blow molding process including setting an internal gas pressure of the hollow molded product to 5 to 8 kgf/cm,; and discharging a gas satisfying an expression, F≧10×W. while blowing, wherein F is a gas flow rate (N1/min) and W is a hollow molded product weight (g).