Apparatus for removing and conveying a fiber web at high speed f

Details Apparatus for removing and conveying a fiber web at high speed f Apparatus for removing and conveying a fiber web at high speed f

1995-09-22

1996-12-17

Calvert, John J.

Textiles: fiber preparation

Assembling

Web forming

19106R, D01G 1546, D01G 2500, D01G 2700

Patent

active

055841015

ABSTRACT:
The device of the invention enables a fiber web at the outlet from a carder to be removed and conveyed at high speed without significant change to the structure of the web, and in particular without stretching the web. The device comprises a takeoff cylinder which is adjacent to the last working cylinder of the carder, suction means, and a conveyor belt. The belt of the conveyor is permeable to air, and at least level with the takeoff cylinder it possesses at least one rectilinear web-receiving portion that passes close to the takeoff cylinder with a linear speed that is substantially equal to the peripheral speed of the takeoff cylinder, travelling in a direction that is orthogonal to the axis of rotation of the takeoff cylinder, and interposed between the suction means and the takeoff cylinder. The suction means establish a suction zone between the takeoff cylinder and the rectilinear portion of the conveyor belt, substantially in the vicinity of the line where they are almost tangential.

REFERENCES:
patent: 3787930 (1974-01-01), Allen
patent: 4274178 (1981-06-01), Hotta
patent: 4475272 (1984-10-01), Wood
patent: 4884320 (1989-12-01), Gasser et al.
patent: 5007137 (1991-04-01), Graute
patent: 5226214 (1993-07-01), Napolitano
patent: 5361451 (1994-11-01), Fehrer
patent: 5375298 (1994-12-01), Nakamura et al.
patent: 5442836 (1995-08-01), Fehrer

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