Thread-up apparatus for a corrugator double backer

Details Thread-up apparatus for a corrugator double backer Thread-up apparatus for a corrugator double backer

1997-11-11

1999-04-06

Bennett, Henry

Drying and gas or vapor contact with solids

Apparatus

Sheet, web, or strand

34631, 34635, F26B 900

Patent

active

058903011

ABSTRACT:
A web thread-up apparatus for a beltless double backer includes a coiled flexible band positioned at the downstream end of the double backer on a reel from which the band may be unwound in the upstream direction through the double backer heating section. A clamping device on the free end of the band is utilized to capture the downstream edge of a new corrugated web positioned at the upstream entry to the double backer. Rotation of the reel is reversed to rewind the flexible band into the coil, carrying the web with it through the heating section of the double backer. A downstream web drive conveyor receives the lead edge of the new web which is detached from the rewound clamping device.

REFERENCES:
patent: 3103755 (1963-09-01), Hajos
patent: 3319353 (1967-05-01), Matsunami et al.
patent: 5256240 (1993-10-01), Shortt
patent: 5456783 (1995-10-01), Sissons
patent: 5561918 (1996-10-01), Marschke
patent: 5706994 (1998-01-01), Welch et al.
patent: 5746010 (1998-05-01), Marschke et al.
patent: 5766409 (1998-06-01), Krznarich et al.

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