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:
Oct. 05, 2004
Filed:
Nov. 22, 2000
Iwao Nohara, Nakatsugawa, JP;
Tomio Nakajima, Nakatsugawa, JP;
Kiyotaka Ida, Nakatsugawa, JP;
Masahiko Sameshima, Settsu, JP;
Yoshiyuki Kobayashi, Nara, JP;
Kenji Yamaguchi, Osaka, JP;
Other;
Abstract
Using a new molded foaming apparatus wherein chambers and , independent from a cavity , are formed at the rear sides of a set of dies and for molding a molded foam product, so as to supply such utility fluid as air and steam to the cavity through first openings independently from the chambers and , various problems created when forming vent holes are fundamentally solved, and at the same time dispersion of filling density to be caused by not forming vent holes is prevented by supplying the material beads to the cavity while maintaining the pressure in the cavity at a predetermined minus pressure with respect to the pressure in the material tank using the first openings