Method of field retrofitting a heat releaseable weldment for man

Details Method of field retrofitting a heat releaseable weldment for man Method of field retrofitting a heat releaseable weldment for man

1991-01-31

1992-06-02

Eley, Timothy V.

Metal working

Method of mechanical manufacture

Converting

2940201, B21K 2116, B23P 1704, B23P 2300

Patent

active

051175479

ABSTRACT:
A heat releasable weldment for a mechanical opening jack used in combination with fluid powered valve actuators to release said manual opening jack in the event of fire comprising grooved inner and outer members which cooperate to form a eutectic chamber, said inner and said outer members being retained in spaced relationship with each other by horizontal and vertical restraining members in cooperation with a fusable eutectic alloy which is poured into said eutectic chamber and allowed to solidify together and a method to field retrofit said weldment to a mechanical opening jack is presented.

REFERENCES:
patent: 3842854 (1974-10-01), Wicke
patent: 4240455 (1980-12-01), McGee
patent: 4421134 (1983-12-01), Bruton et al.
patent: 4934652 (1990-06-01), Golden

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