A - Human Necessities – 63 – H
Patent
A - Human Necessities
63
H
40/51
A63H 33/28 (2006.01) G08B 17/00 (2006.01) G09F 19/12 (2006.01)
Patent
CA 1112040
41 Abstract of the Disclosure This invention relates to an apparatus and method for preserving bubbles permitted prolonged observation of the bubble. The device comprises, a bubble on a support therefor and a housing around the support for isolating and protecting the bubble from the enviroment outside of the housing. Means are also provided for increasing the humidity and atmospheric pressure within the housing so as to provide an enviroment therein condusive to the preservation of the bubble. The housing includes a transparent dome member. The invention disclosed by this application relates to a device for producing, preserving and displaying a bubble which comprises a casing which is at least partially transparent, a bubble forming conduit mounted within the casing and having an inlet and a bubble forming outlet, means for applying a bubble forming film to the outlet, and pressurizing means for increasing the pressure within the conduit to a point greater than the pressure within the casing, so that a bubble forms on the conduit outlet.
328286
Gowling Lafleur Henderson Llp
Tomson Steven H.
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