Threading device

Details Threading device Threading device

1998-12-22

2000-10-17

Walsh, Donald P.

Advancing material of indeterminate length

Threading device

162193, D21F 0136

Patent

active

061317845

ABSTRACT:
A device for drawing a web through an open draw in a paper or board machine with the aid of a leader, said open draw extending between a first web-carrying element and a second web-carrying element, said device comprising a stand structure and a transfer member having the width of the leader. According to the invention the transfer member is arranged to be inserted at and above the first web-carrying element and set in various predetermined positions, the device having setting members for setting the position and direction of the transfer member in relation to the second web-carrying element; a travelling member to carry and move the transfer member; and actuator for operating the travelling member.

REFERENCES:
patent: 3105649 (1963-10-01), Neupert
patent: 3529755 (1970-09-01), Spangenberg et al.
patent: 4309830 (1982-01-01), Vits
patent: 4429819 (1984-02-01), Palovaara
patent: 4684443 (1987-08-01), Kerttula et al.
patent: 4904344 (1990-02-01), Peiffer
patent: 4923567 (1990-05-01), Liedes et al.
patent: 5816465 (1998-10-01), Suzuki
patent: 5989393 (1999-11-01), Kivimaa et al.

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