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公开(公告)号：JPH01190983A
公开(公告)日：1989-08-01
申请号：JP1391688
申请日：1988-01-25
Applicant: MATSUSHITA REFRIGERATION
Inventor： NISHIHARA HIDETOSHI , NAKAOKA MASASHI , YAJIMA YUKIO
IPC: F04C18/356
Abstract: PURPOSE:To decrease expansion following the time of a roller by applying a sub-zero treatment to the roller, in the case of a compressor for a refrigerating cycle used in a domestic refrigerator or the like. CONSTITUTION:A sub-zero treatment is applied to a roller 12. Thus because retained austenite can be removed, expansion following the time of the roller can be decreased.
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