Presses – With additional treatment of material – Cutting – breaking – piercing – or comminuting
Patent
1991-12-24
1992-07-21
Hornsby, Harvey G.
Presses
With additional treatment of material
Cutting, breaking, piercing, or comminuting
100155R, 165 89, B30B 1534, B30B 304
Patent
active
051313235
ABSTRACT:
A packing sheet calender comprises a cooled cylinder of small diameter and a heated cylinder of large diameter. The heated cylinder comprises a cylindrical casing and end walls with integral stub shafts projecting centrally from the end walls. At least one of the stub shafts is hollow. Circumferentially spaced axially extending bores are provided in the casing for the flow of hot water which is supplied by a tube system extending axially of the cylinder and comprising an inner tube and an outer tube surrounding the inner tube. Radial bores in one end wall connect the axially extending bores in the casing with the outer tube. Radial bores in the other end wall connect the axially extending bores in the casing with an annular chamber which is connected with the inner tube. The inner and outer tubes are connected through the hollow stub shaft with a device for supplying hot water to one of the tubes and withdrawing water from the other.
REFERENCES:
patent: 1751116 (1930-03-01), Welton
patent: 2936158 (1960-05-01), Ramundo
patent: 3135319 (1964-06-01), Richards
patent: 3208513 (1965-09-01), Pendleton
patent: 3887250 (1975-06-01), Fleissner
patent: 4050510 (1977-09-01), Theysohn
patent: 4252184 (1981-02-01), Appel
patent: 4351386 (1982-09-01), Kobler
patent: 4757582 (1988-07-01), Verkasalo
Burns Robert E.
Gerrity Stephen F.
Hornsby Harvey G.
Lobato Emmanuel J.
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