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US 6,543,202 B1Granted
Device for welding and/or combined cutting and welding of films
AssigneeSkinetta Pac-Systeme Kiener GmbH & Co.
InventorDavid Kelly
Life of this patent
Estimating the term…
Abstract
A device for welding or combined cutting and welding comprises a heating element, the heating rail of which is heated and cools down in each work cycle, and an opposed tool which has a rail made of elastic material.
Claims20
Device for welding two films, said device comprising:
- a welding arrangement co-operating with an opposed tool, said two films being arranged between said welding arrangement and said opposed tool and said welding arrangement and said opposed tool being movable relative to each other, a front face of said opposed tool includes elastic material, and said elastic material yields elastically at least partially when said welding arrangement and said opposed tool are moved together, a degree of elasticity of a zone of said elastic material of said opposed tool being reduced so that said zone exerts an increased pressure on said two films as compared to a remainder of said elastic material when said welding arrangement and said opposed tool are moved together.
Dependencies are inferred from the claim text.