B - Operations – Transporting – 32 – B
Patent
B - Operations, Transporting
32
B
154/111
B32B 17/10 (2006.01)
Patent
CA 1230039
A B S T R A C T "IMPROVEMENTS IN OR RELATING TO SECURITY GLAZING" A security glass which possesses substantial resistance to penetration by impact by a heavy implement and which exhibits only a small amount of spall formation is a glass flexible bonding material, e.g. polyvinylbutyral, laminate in which the layer of flexible bonding material positioned other than at the forwardmost flexible bonding material layer position possesses increased thickness. The rearmost glass layer is generally relatively thin and is preferably chemically toughened.
460628
Post Office (the)
Sim & Mcburney
LandOfFree
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