Vented, flexible, thin chemiluminescent device

Details Vented, flexible, thin chemiluminescent device Vented, flexible, thin chemiluminescent device

1992-07-30

1993-07-13

Lazarus, Ira S.

Illumination

Chemiluminescent lighting

362 84, F21K 206

Patent

active

052267105

ABSTRACT:
There is provided a flexible, thin, chemiluminescent device comprised of a back sheet having sealed thereto at its edges a windowed front sheet, separation means to divide the internal cavity into a larger and a smaller compartment, the larger compartment containing a contents-releasable receptacle for one part of a two-part chemiluminescent composition and an absorbent material in the larger compartment containing the second part of the composition external to the receptacle, the smaller compartment forming an exit passageway for gases, being in open communication with the larger compartment at its upstream end, and open to the atmosphere through a vent at its downstream end, whereby gases generated during storage and use can exit harmlessly without distorting or inflating the device. The smaller compartment may contain a gas porous component which acts to separate residual liquid from escaping gas thereby preventing unwanted liquid leakage from the chemiluminescent device.

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patent: 3749620 (1973-07-01), Montgomery
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patent: 3893938 (1975-07-01), Rauhut
patent: 4384589 (1983-05-01), Morris
patent: 4635166 (1987-01-01), Cameron
patent: 4814949 (1989-03-01), Elliott

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