Method for the production of a tube with a multi-layer tube head and a tube made of a pipe element having at least one plastic layer and a multi-layer tube head

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United States of America Patent

PATENT NO 5292034
SERIAL NO

07777273

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Abstract

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The invention relates to a method for the production of tubes from a prefinished pipe element, by pressing of heated plastic blanks to form a multi-layer tube head, with simultaneous bonding of the tube head to the pipe element. According to the invention, each layer of the multi-layer tube head is produced individually, by pressing of a newly introduced plastic blank in each case, where the next blank for the subsequent layer is not introduced and pressed until after the layer previously produced is stable in shape. The invention also relates to a tube made of a pipe element (1) having at least one plastic layer, and a multi-layer tube head (2) molded on by pressing heated plastic blanks, with a neck part (8) opening out centrally in a dispensing opening (9) with an outside thread (11) to screw on a closure cap, where according to the invention, each layer (3, 6, 5) of the multi-layer tube head (2) is pressed in individually, layer by layer, onto the upper end of the pipe element (1).

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Patent Owner(s)

Patent OwnerAddress
AISA AUTOMATION INDUSTRIELLE SAROUTE DE SAVOIE CH-1896 VOUVRY

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Keller, Gerhard Jongny, CH 40 344

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