F - Mech Eng,Light,Heat,Weapons – 21 – K
Patent
F - Mech Eng,Light,Heat,Weapons
21
K
67/2, 316/23
F21K 5/00 (2006.01) G03B 15/04 (2006.01)
Patent
CA 1172862
D23,349 - 10 - ABSTRACT A multi-lamp photoflash unit has a plastic housing member with a back portion having a plurality of cavities formed to receive a reflector unit wherein is disposed a plurality of flashlamps and a light transmitting front portion formed to fold over and enclose the flashlamps and is characterized by the improvement wherein at least one part of one of the front and back portions of the plastic housing is folded over the edge of the other, aligned in parallel with and sealed to the other of the front and back portions to provide a shear-type seal. The multi-lamp photoflash unit is fabricated by a process wherein the front and back layers are contacted, one is folded over, aligned with and sealed to the other by spaced spot seals.
394948
Gte Products Corporation
R. William Wray & Associates
LandOfFree
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