US Patent 6936790 Electric heat sealer with safety device
Patent 6936790 was granted and assigned to LG on August, 2005 by the United States Patent and Trademark Office.
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Patent abstract
An electric heat sealer for sealing workpieces such as plastic bags or the like includes a casing defining a battery chamber, a press bar pivotally connected to the casing, a sealing mechanism supported on a compression spring in a spring holder inside the casing, and a safety device. The sealing mechanism is electrically connected to produce heat for sealing the workpiece being put thereon when the press bar pressed against the sealing mechanism. The safety device breaks the electrical circuit when the apparatus is not in use.
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Patent Inventor Names
Richard Chang0
Shu Hui Chou0
Date of Patent
August 30, 2005
0Patent Application Number
106372440
Date Filed
August 8, 2003
0Patent Primary Examiner
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US Patent 6936790 Electric heat sealer with safety device
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