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Patent Searching and Data


Title:
PRODUCTION OF CONTACT BLOCK
Document Type and Number:
WIPO Patent Application WO/1988/010003
Kind Code:
A1
Abstract:
This invention relates to a method of production of a contact block for use in a relay or the like, and is intended to improve the accuracy and reliability of the contact block. This method comprises the steps of punching make contact strips (47, 48, 49, 50), break contact strips, fitting base strips and terminal strips on a first hoop member (30), forming a first sub-contact block equipped with the break contact strips and a second sub-contact block equipped with the make contact strips (47, 48, 49, 50) after molding these strips, forming movable contact spring strips (71, 72, 73, 74) by punching a second hoop member (70), welding the movable contact spring strips (71, 72, 73, 74) to the fitting base strips by superposing the second hoop member (70) on the first hoop member (30), cutting off the movable contact spring strips (71, 72, 73, 74) from the second hoop member (70) and cutting off the first or second sub-contact block from the first hoop member (30) and laminating and bonding these sub-contact blocks.

Inventors:
TAGUCHI JISEI (JP)
TADA MANABU (JP)
Application Number:
PCT/JP1988/000528
Publication Date:
December 15, 1988
Filing Date:
May 30, 1988
Export Citation:
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Assignee:
ANRITSU CORP (JP)
International Classes:
H01H11/00; H01H49/00; H01H50/54; (IPC1-7): H01H11/00; H01H49/00
Foreign References:
JPS57138740A1982-08-27
JPS60208019A1985-10-19
Other References:
See also references of EP 0316455A4
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