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3764434
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Information
Patent Grant
3764434
References
Source
Patent Number
3,764,434
Date Filed
Not available
Date Issued
Tuesday, October 9, 1973
51 years ago
CPC
B29C65/222 - comprising at least a single heated wire
B29C65/228 - characterised by the means for electrically connecting the ends of said heated wire, resistive ribbon, resistive band or resistive strip
B29C66/4312 - for making flat seams in tubular or hollow articles
B29C66/81427 - comprising a single ridge
B29C66/818 - characterised by the cooling constructional aspects, or by the thermal or electrical insulating or conducting constructional aspects of the welding jaws or of the clamps ; comprising means for compensating for the thermal expansion of the welding jaws or of the clamps
B29C66/861 - Hand-held tools
B31B47/02 - for making envelopes or bags without preshaped bottoms
B29C65/224 - being a resistive ribbon, a resistive band or a resistive strip
B29C66/81422 - being convex
B31B2247/00 - Manual operations or hand tools for making bags or boxes
Y10T156/1054 - and simultaneously bonding [e.g., cut-seaming]
US Classifications
156 - Adhesive bonding and miscellaneous chemical manufacture
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