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
Stats
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Mar 8, 1994
Grant Date -
N/A
app pub date -
Nov 25, 1991
filing date -
Mar 26, 1990
priority date (Note) -
In Force
status (Latency Note)
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Abstract
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).

First Claim
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- 15 United States
- 10 France
- 8 Japan
- 7 China
- 5 Korea
- 2 Other
Patent Owner(s)
Patent Owner | Address | |
---|---|---|
AISA AUTOMATION INDUSTRIELLE SA | ROUTE DE SAVOIE CH-1896 VOUVRY |
International Classification(s)
Inventor(s)
Inventor Name | Address | # of filed Patents | Total Citations |
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Keller, Gerhard | Jongny, CH | 40 | 344 |
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Maintenance Fees
Fee | Large entity fee | small entity fee | micro entity fee | due date |
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Fee | Large entity fee | small entity fee | micro entity fee |
---|---|---|---|
Surcharge after expiration - Late payment is unavoidable | $700.00 | $350.00 | $175.00 |
Surcharge after expiration - Late payment is unintentional | $1,640.00 | $820.00 | $410.00 |
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