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.

Date of Patent:
Apr. 25, 1989

Filed:

Feb. 08, 1988
Applicant:
Inventors:

Yoshio Kawashima, Kitakyushu, JP;

Shunji Ogata, Kitakyushu, JP;

Masaaki Yokoyama, Kitakyushu, JP;

Masato Tomiku, Kitakyushu, JP;

Tsuneo Yamada, Takarazuka, JP;

Tsutomu Kuno, Kitakyushu, JP;

Hisao Murakami, Yukuhashi, JP;

Hiroyuki Morimoto, Kitakyushu, JP;

Toyoshige Myojo, Higashimurayama, JP;

Kozo Watanabe, Sakado, JP;

Toshihiro Tanaka, Niihama, JP;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B21J / ; B21J / ;
U.S. Cl.
CPC ...
72 24 ; 72342 ; 72339 ; 72336 ; 72421 ; 72361 ;
Abstract

Disclosed is a method and apparatus for feeding a material to a hot forging machine in a forging line in which a coiled material is uncoiled, straightened, fed intermittently by pinch rollers through a heating device, cut by a cutting device and then fed into a hot forging machine. The method has the steps of preparing a driving device which drives the pinch rollers mechanically independently from the hot forging machine; picking up the timing of forging conducted by the hot forging machine as an electric signal, and controlling the driving device in accordance with the electric signal.


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