Calender, in particular for the production of packing sheets

Details Calender, in particular for the production of packing sheets Calender, in particular for the production of packing sheets

1990-04-12

1991-09-17

Hornsby, Harvey C.

Presses

With additional treatment of material

Cutting, breaking, piercing, or comminuting

100168, 100170, B30B 1534, B30B 304

Patent

active

050484117

ABSTRACT:
A calender, in particular for the production of packing sheets, comprises a heated cylinder of larger diameter and a cooled cylinder of smaller diameter. The larger diameter cylinder is rotatably supported in calender stands by bearings which are in fixed position on the stands. The smaller diameter cylinder is rotatably supported by bearings which are slidable in the calender stands so that the smaller diameter cylinder is movable toward and away from the larger diameter cylinder. The bearings of the smaller diameter cylinders are connected with a support beam which is slidable on the calender stands and is movable toward and away from the larger diameter cylinder by double-acting cylinder and piston units acting between the support beam and the stands. Counter-bending mechanism for the smaller diameter cylinder comprises double-acting hydraulic cylinder and piston units acting between the support beam and bearings on outer ends of projecting shaft position of the smaller diameter cylinder.

REFERENCES:
patent: 2611150 (1952-09-01), Goulding, Jr.
patent: 2854700 (1958-10-01), Caspari et al
patent: 3209679 (1965-10-01), Crist et al.
patent: 3572570 (1971-03-01), Mortensen

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