Winding – tensioning – or guiding – Coil holder or support – Spool or core
Patent
1990-07-06
1992-01-28
Stodola, Daniel P.
Winding, tensioning, or guiding
Coil holder or support
Spool or core
B65H 1918
Patent
active
050837184
ABSTRACT:
The present disclosure is related to an automatic material extension machine, and more particularly to a rotatable abutment type extension machine adapted for continuously drawing out rolled up material mounted on rolls by friction for further processing; which includes an abutment balance transmitter and an automatic end-joining device, and is mainly applied to tape, wall paper and leather substance prepared in rolls. The abutment extension transmitter has two sets of developing rollers on which are disposed the rolls ready to be operated; one of the sets is identified as action set and the other is called stand-by set; the former uses driving motor to actuate two cylinders which are in abutment with the roll of material so to make the rolled-up material outwardly extended by friction. When the roll on the action set is about to run out, the front end of the stand-by roll set is made to automatically join end-to-end to the final end of the action roll set; in the meanwhile, the two sets of developing roller are forced by a motor to make an 180 degree turn for shift of position. The mechanism effecting the shift is made up of five identical gears which control respectively the external frame of the developing rollers to turn 180 degrees and constantly keep the horizontal brackets of the two sets of roller in a horizontal position so that the action set can continuously work to get the rolled-up material extended by friction. The operator can take his time in replacing the run-out roll with a new one without interruption.
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Darling John P.
Pro Accutech Co., Ltd.
Stodola Daniel P.
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