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. 17, 1995
Filed:
Jan. 05, 1994
Akira Kabumoto, Tokyo, JP;
Kiyoshi Nakayama, Tokyo, JP;
Masayasu Ito, Tokyo, JP;
Satoshi Ono, Tokyo, JP;
Naoki Yoshida, Tokyo, JP;
The Furukawa Electric Co., Ltd., Tokyo, JP;
Abstract
In manufacturing a foamed plastics of a saturated polyester resin, in which a saturated polyester resin is melted in an extruder, a foaming agent is injected under pressure into the molten saturated polyester resin at an intermediate portion of a barrel of the extruder, and the molten saturated polyester resin containing the foaming agent is extruded from a die to manufacture the foamed plastics of the saturated polyester resin, a polydimethylsiloxane having a boiling point, which is lower by at least 50.degree. C. than the melting point of the saturated polyester resin to be foamed, at the atmospheric pressure is used as a foaming agent.