Temperature sensitive circuit breaking element

Details Temperature sensitive circuit breaking element Temperature sensitive circuit breaking element

1992-01-31

1994-07-12

Lesmes, George F.

Stock material or miscellaneous articles

Structurally defined web or sheet

Physical dimension specified

4283135, 4283179, 428422, 521 55, B32B 702

Patent

active

053287568

ABSTRACT:
A composite article comprising a fibrillated polytetrafluoroethylene (PTFE) matrix, electrically conductive particles, and energy expandable, electrically nonconductive hollow polymeric particles, which composite is conductive and allows for the flow of electricity and which, upon attaining a temperature which causes expansion of the expandable polymeric particles, becomes insulating and causes the flow of electricity to cease. The articles are thin and can be used as electrical circuit breaking elements.

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