Patent
1978-04-12
1980-07-01
Gilden, Leon
29793, 113 1F, 113121C, B21D 4300
Patent
active
042100917
ABSTRACT:
An automatic machine for continuously producing tinned strap caps fitted with a tear opening device, characterized by comprising a disc rotating about its axis at a constant speed, including a central portion and an outer circular crown, the latter being provided with a first plurality of supporting elements or lower slides, only radially movable to receive the caps supplied by a shaped double blade magazine, and a second plurality of supporting elements or upper slides, also only radially movable, to receive the tear opening devices supplied by a second double blade magazine, said crown being also provided with a plurality of passage holes, through which each of the tear elements are positioned on the corresponding cap, the central portion carrying a plurality of joining members only vertically movable, further characterized in that the radial movement for the lower slides adjacent the cap dispenser or magazine is controlled by a flat metal cam-shaped guide, during the movement of the rotable disc, drive rollers connected to said lower slides sliding therein, that the radial movement for the upper slides adjacent the tear element dispenser is controlled by a central cam integral with the axis of rotation for the rotable disc, that the vertical movement for the joining members is controlled by a circular metal guide of varying height, in which feeler rollers slide following the profile thereof and transferring such a movement to the joining members by connection stems, further characterized in that a further circular metal guide of varying height controls the lifting and lowering of a plurality of abutting pistons raising with the underside of the caps and by providing an extractor or puller for the finished pieces located adjacent the dispensers or magazines, but upstream thereof.
REFERENCES:
patent: 1606432 (1926-11-01), Herkenhine
patent: 2148248 (1939-02-01), Swangren
patent: 3948415 (1976-04-01), Debenham
patent: 4026226 (1977-05-01), Hahn
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