Adhesive bonding and miscellaneous chemical manufacture – Surface bonding means and/or assembly means therefor – With stretching or tensioning means
Patent
1987-02-19
1988-04-05
Massie, Jerome
Adhesive bonding and miscellaneous chemical manufacture
Surface bonding means and/or assembly means therefor
With stretching or tensioning means
156164, 156229, 156556, 156578, B32B 3108
Patent
active
047356731
ABSTRACT:
This machine is intended for bonding stretched pieces of elastic band to a moving sheet so that these pieces extend transversely relative to the direction of movement of this sheet.
The pieces are transferred from a cutting station to a stretching station by means of a transfer station.
The stretching station comprises several pairs of grippers distributed around an axis about which they are driven in rotation. The grippers of one and the same pair are arranged axially opposite one another and are designed to be successively moved away from, and close to, one another so that, during their rotation, they grip the lateral ends of the pieces subsequently stretching the latter by moving axially away from one another. Once stretched, the pieces are bonded to the sheet entrained about a drum at the moment when the grippers pass opposite this sheet.
The invention is used for the production of a composite sheet intended for providing diapers.
REFERENCES:
patent: 2927349 (1960-03-01), Maurer
patent: 3964658 (1976-06-01), Edwards
patent: 4284454 (1981-08-01), Joa
patent: 4285747 (1981-08-01), Rega
patent: 4297157 (1981-10-01), Van Vliet
patent: 4364787 (1982-12-01), Radzins
patent: 4523969 (1985-06-01), Spencer
patent: 4543154 (1985-09-01), Reiter
patent: 4642151 (1987-02-01), Coenen
Blumenkopf N.
Colgate-Palmolive Company
Grill M. M.
Massie Jerome
Sylvester H. S.
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