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JPS52149657A Expired / Lapsed JP ⏱️ 0.0 years remaining

Heat exchanger manufacturing method

Assignee: Tokyo Sanyo Electric Co Ltd
•
Filing: 1976-06-07
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Granted: —
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Expires: 1996-06-07
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Abstract

Abstract PURPOSE: Slack portion like waving is formed on the extended part of the thin metal plate to cover metal pipe and metal plate so that the extended portion of the thin metal plate is prevented from breakage at the press work of this sheet-on-pipe manufacturing. COPYRIGHT: (C)1977,JPO&Japio

Inventors

  • 👤 Shoji Tanazawa

Bibliographic Details

Application Number —
Jurisdiction JP
Data Source google_patents
Last Synchronized 2026-11-04 13:59
CPC Classifications
—

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