Ring-shaped member supplying apparatus

Details Ring-shaped member supplying apparatus Ring-shaped member supplying apparatus

1987-09-02

1988-10-04

Schmidt, Frederick R.

Sheet metal container making

Apparatus to form container closure

Having means uniting pull tab to closure

221 10, 221211, B21D 5144

Patent

active

047752742

ABSTRACT:
A ring-shaped member supplying apparatus including a storage section for storing a large number of flexible ring-shaped members stacked in layers and supporting the ring-shaped members so that the lowermost one of the stacked ring-shaped members is held by plural engaging members. A takeout device is provided for drawing out the lowermost one of the stacked ring-shaped members in the storage section, by suction, so as to separate the ring-shaped member from the remaining members and transferring the ring-shaped member to a conveying passage. A detecting device is provided for detecting an amount of the stacked ring-shaped members in the storage section. A supplementing supply is provided for replenishing an amount of the ring-shaped members in response to a decrease in an amount of the ring-shaped members in the storage section so that the amount of the ring-shaped members in the storage section is controlled to be in a predetermined range.

REFERENCES:
patent: 1658837 (1928-02-01), Derby
patent: 1667483 (1928-04-01), Leof
patent: 2445713 (1948-07-01), Glassner
patent: 2472664 (1949-06-01), Krueger
patent: 2563654 (1951-08-01), Mackin et al.
patent: 2609779 (1952-09-01), Goldsworthy
patent: 2647673 (1953-08-01), Galik
patent: 3225960 (1965-12-01), Whelan
patent: 3618550 (1971-11-01), Mojden
patent: 4081945 (1978-04-01), Colvert

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