B - Operations – Transporting – 23 – K
Patent
B - Operations, Transporting
23
K
154/108, 327/36
B23K 9/32 (2006.01) B23K 35/22 (2006.01) B32B 19/04 (2006.01)
Patent
CA 1279808
Abstract of the Disclosure A welding blanket comprising a layer of flexible protective material comprising unexpanded vermiculite and inorganic heat resistant fibrous material, which layer undergoes localized expansion in a direction normal to its major surfaces when contacted by spatter of molten metal during a welding process; and two relatively thin flexible cover sheets, one attached along each of the major surfaces of the layer of flexible material to maintain its structural integrity.
563779
Schwartz Thomas W.
Skinner Mark C.
Minnesota Mining And Manufacturing Company
Smart & Biggar
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