Process for preparing a hermetically sealed assembly

Details Process for preparing a hermetically sealed assembly Process for preparing a hermetically sealed assembly

1978-09-25

1980-12-02

Kittle, John E.

Adhesive bonding and miscellaneous chemical manufacture

Methods

Making electrical conductors of indefinite length

73 52, 73420, 116 70, 116112, 138 99, 156 64, 156 86, 156378, 264 401, 264 80, 264230, 264342R, H02G 1508

Patent

active

042369495

ABSTRACT:
The formation of a hermetic seal in an assembly resulting from the connection or encapsulation of one or more substrates such as cables by one or more dimensionally-recoverable covering members such as heat-recoverable sleeves is checked by detecting the increase in air pressure which occurs during heating of the assembly once a hermetic seal has been made. To this end, a covering member is provided with an aperture which communicates with a detection device such as a balloon or a manometer and with a space within the assembly in which there is a build up of air pressure.

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