Rotary printing machine cylinder blanket construction and insert

Details Rotary printing machine cylinder blanket construction and insert Rotary printing machine cylinder blanket construction and insert

1984-10-03

1986-11-04

Burr, Edgar S.

Printing

Flexible-sheet-securing devices

400250, B41F 2706

Patent

active

046204822

ABSTRACT:
To facilitate insertion of a rubber blanket into the groove or slot (2) of a blanket cylinder (1) of a printing machine, and to reduce the width of the opening (3) leading to the groove or slot, the thickness of the blanket is reduced in the end portion (11, 12), for example by removing a portion of the rubber blanket material; a reinforcement strip (14, 15, 20) is bonded to a textile substrate (9) on which the blanket layer (10) is applied, preferably at the side opposite of the blanket layer only. The end portions (11, 12) are formed with zones of reduced thickness, for example in the form of cut-outs in the textile substrate and extending into the rubber layer, to permit insertion of an inserting tool, such as metal strips, preferably in the form of tines (FIG. 4: 24) on an insertion fork (23), fitting into the reliefs or cut-outs (16, 17, 18), with clearance, to permit pushing the end of the blanket through the narrow gap (3) of the slot by engagement of the tines with the reinforcement strip (14, 15, 20).

REFERENCES:
patent: 872113 (1907-11-01), Enders
patent: 2402706 (1946-06-01), Sprigg
patent: 2775198 (1956-12-01), Johnson et al.
patent: 2831562 (1958-04-01), Saliamonas
patent: 2850970 (1958-09-01), Brodie
patent: 3791295 (1974-02-01), Albright

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