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US 4,941,818 AGranted
Cigarette lighter
AssigneeTDK Corporation
InventorsKazuhide Ohe, Kazuo Sato, Shunpei Fukuda, Hiroyuki Nakada
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AssigneeTDK Corporation
InventorsKazuhide Ohe, Kazuo Sato, Shunpei Fukuda, Hiroyuki Nakada
Estimating the term…
The cigarette lighter of the invention has an igniter member which promotes smooth burning of the fuel gas ejected from the gas nozzle. The igniter member is composed of an igniting element which is a coiled wire of platinum metal or a platinum-based alloy having a specified dimensions and a supporting member made of a wire of a refractory metal or alloy. The coil of platinum wire preferably has a flattened configuration to cover a larger front of the flame. The supporting member made of a wire of a refractory metal or alloy, around which the coil is wound, is preferably coated with a coating layer of a ceramic material, e.g., alumina. A simple but very reliable structure for mounting the igniter member in the fire bowl of the cigarette lighter is described.
A cigarette lighter having a combustor portion ignitable by a fuel gas from a nozzle from which said fuel gas is ejected in a fire bowl of the combustor portion, said cigarette lighter comprising an igniting element made of a wire of platinum metal or a platinum-based material having a diameter of the wire in the range from 0.10 mm to 0.25 mm, of which the pitch of the coil does not exceed 1 mm, said coil being mounted at or near the vicinity of said nozzle from which the fuel gas is ejected in a fire bowl of the combustor portion.
Dependencies are inferred from the claim text.