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. 15, 1986

Filed:

Sep. 21, 1984
Applicant:
Inventors:

Masayuki Niino, Sendai, JP;

Akio Suzuki, Shibata, JP;

Nobuyuki Yatsuyanagi, Shibata, JP;

Akinaga Kumakawa, Souma, JP;

Masaki Sasaki, Shibata, JP;

Hiroshi Tamura, Shibata, JP;

Fumiei Ono, Watari, JP;

Yoshimichi Masuda, Chigasaki-shi, Kanagawa-ken, JP;

Ryuzo Watanabe, Sendai-shi, Miyagi-ken, JP;

Junjiro Takekawa, Sendai-shi, Miyagi-ken, JP;

Yoshihiko Doi, Itami, JP;

Nobuhito Kuroishi, Itami, JP;

Yoshinobu Takeda, Itami, JP;

Shigeki Ochi, Itami, JP;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B22F / ;
U.S. Cl.
CPC ...
419-8 ; 419 26 ; 419 27 ; 419 28 ; 419 38 ; 419 42 ; 419 49 ; 419 68 ; 2915 / ; 29423 ; 428548 ; 428552 ; 428565 ; 428398 ; 428403 ; 428689 ; 428697 ; 428699 ; 427405 ;
Abstract

A method of producing rocket combustors wherein in forming an outer cylin by a powder metallurgical method on the outer side of a cylinder provided on its outer periphery with a cooling wall of channel construction having a plurality of grooves (14), an Ni electroforming layer is formed on the outer side of the outer cylinder, and also a method of producing rocket combustors wherein an outer cylinder is of multilayer construction having two or more layers.


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