Printing – Flexible-sheet-securing devices
Patent
1984-01-05
1986-04-29
Burr, Edgar S.
Printing
Flexible-sheet-securing devices
B41F 128
Patent
active
045849420
ABSTRACT:
The cylinder is provided with a radial insertion slot forming in its inner portion a widened cavity. One of the walls of the slot is provided with a receiving groove of which the median plane forms with the wall of the slot an acute angle of the order of 30.degree.. The folded end reinforced by a spring-steel blade of the blanket is inserted into the slot and thrusted by using a thin piece of sheet-metal or a spatula until, due to the return force of the blanket, it engages the opening of the groove. Then, the blanket is pulled outwards so that the reinforced end penetrates into the groove. Subsequently, the second end of the blanket is attached in the known fashion to a stretching pivot. The length, in the peripheral direction, of the bottom of the widened cavity is greater than the width of the folded end of the blanket, and the width of the outer portion of the radial slot is smaller than the width of the folded end.
REFERENCES:
patent: 2209127 (1940-07-01), Lowe
patent: 2285116 (1942-06-01), Grupe
patent: 2850970 (1958-09-01), Brodie
patent: 2986085 (1961-05-01), Johnson
patent: 3844214 (1974-10-01), Smith
Burr Edgar S.
Cohen Moshe I.
De La Rue Giori SA
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