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:
Jan. 01, 1980
Filed:
Oct. 10, 1978
Applicant:
Inventors:
Tsutomu Sano, Kobe, JP;
Naoki Takeuchi, Kobe, JP;
Masanobu Kurumaji, Kobe, JP;
Susumu Nakatsukasa, Kobe, JP;
Assignee:
Kobe Steel, Limited, Kobe City, JP;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B01D / ; B29F / ;
U.S. Cl.
CPC ...
55183 ; 55189 ; 55195 ; 264102 ; 264329 ; 425203 ;
Abstract
A waste gas discharging device for use in an injection molding machine including a vacuum pump connected by way of a waste gas discharging unit to a vent hole in an injection molding machine, a branch path leading to a blower and connected between the vent hole and the waste gas discharging unit, the branch path being open and closed by a firstchange-over valve, and a second change-over valve disposed between the vacuum pump and the waste gas discharging unit, whereby waste gas from the waste gas discharging unit is discharged to atmosphere, without passing through the vacuum pump.