Adaptors
AssigneeTaymar Limited
InventorMalcolm Campbell Oakes
Life of this patent
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Abstract
There is disclosed an adaptor which enables a gas-consuming tool or appliance, for example a blowlamp or a light, to be attached to a puncturable gas cartridge. The adaptor comprises a main body part defining a through passage, a valve member which may be moved from a position in which the through passage is closed to a position in which this passage is open, means for urging the valve member into a closed position, a piercing member, means for creating a seal between the adaptor and a gas cartridge, and means for urging the adaptor and a gas cartridge together. The adaptor includes a housing into which in operation a gas cartridge is received and which is apertured at its top to allow insertion of the main body part.
Claims17
An adaptor for use with gas cartridges comprising a main body part defining a through passage, a valve member which may be moved from a position in which the through passage is closed to a position in which this passage is open, means for urging the valve member in a first direction into a closed position, a piercing member for puncturing the gas cartridge in a direction opposite said first direction, means for creating a seal between the adaptor and the gas cartridge, including external screw threads located on the main body part, and a housing for receiving the gas cartridge and co-operable with the external threads for urging the adaptor and the gas cartridge together.
Dependencies are inferred from the claim text.