Winding – tensioning – or guiding – Coil holder or support – Spool or core
Patent
1981-02-02
1982-12-28
McCarthy, Edward J.
Winding, tensioning, or guiding
Coil holder or support
Spool or core
242 752, B65H 1702, B65H 2310
Patent
active
043657672
ABSTRACT:
A tensioning and compression apparatus is disclosed for systems for laminating facing on insulation mats and for coiling the laminate. The system includes a powered roll around which the blanket is coiled and a tensioning and compression roll which engages the exterior surface with a force in a direction toward the powered roll which can be maintained at a constant level during any coiling operation or changed as a function of the diameter of the roll during the coiling operation. Force on the tension and compression roll is provided by a piston and cylinder actuator supplied with related positive pressures to both ends of the cylinder. The relationship between the two pressures determines the output force of the cylinder and the force applied by the tension and compression roll to the coil being formed. Separately adjustable control circuits are provided to supply the pressure to each end of the cylinder.
REFERENCES:
patent: 2927742 (1960-03-01), Overman
patent: 3658273 (1972-04-01), Chapuls
patent: 3808771 (1974-05-01), Drelia
patent: 3979245 (1976-09-01), Bondra
patent: 4114530 (1978-09-01), Miller
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