Heating drum for receiving a printing blanket to be vulcanized

Details Heating drum for receiving a printing blanket to be vulcanized Heating drum for receiving a printing blanket to be vulcanized

1992-02-12

1993-06-08

Yuen, Henry C.

Heating

Tumbler-type rotary - drum furnace

432118, 432119, F23B 700, F23B 728

Patent

active

052173674

ABSTRACT:
A heating drum for receiving a printing blanket to be vulcanized in a pressure chamber is comprised of a hollow drum body formed of a thin drum wall having a separating slot that extends parallel to the axis of the drum body. The drum body is hollow and made of a thin wall in order to reduce pressure tensions within the printing blanket coil during vulcanization. The separating slot is covered by a sheet metal tongue which is connected with one side to the thin wall along the separating slot while the oppositely arranged free end rests in a pre-stressed manner on the outer mantle surface of the drum body.

REFERENCES:
patent: 4988290 (1991-01-01), Forster et al.

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