Chemical bag warmer
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Apr 27, 1993
Grant Date -
N/A
app pub date -
May 1, 1992
filing date -
May 1, 1992
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
An improvement of a chemical bag warmer, which comprises a soft bag filled with a sodium acetate solution, and mounted therein with a triggering member; the triggering member is a disc-shaped member, of which the center portion is a cross-shaped part extended to the edge thereof to divide the center portion into four sectors; each sector has a plurality of fragmental concentrie circles to form into a rugged surface, the rugged surface can facilitate the triggering member to bend and vibrate so as to generate a better oscillation wave effect.
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