System for transporting sliders for zipper bags

Details System for transporting sliders for zipper bags System for transporting sliders for zipper bags

2005-06-14

2005-06-14

Compton, Eric (Department: 3726)

Metal working

Method of mechanical manufacture

Of a slide fastener

C029S766000, C029S033200, C029S407090, C029S407100, C029S709000, C029S714000, C029S809000

Reexamination Certificate

active

06904656

ABSTRACT:
An apparatus (10) for and a method of transporting sliders to the slider insertion area (27) of a slider insertion device (18). A first sensor (30) on a sender track (20) detects a lack of sliders (21) in the sender track. A signal is sent from the first sensor (30) to a controller (24) to actuate a vibratory bowl (14) of sliders (21), and a first solenoid operated plunger (34) thereby releasing the sliders (21) to the sender track (20). Air connections (38) pneumatically push the sliders (21) along the sender track (20) to a second solenoid-operated plunger (44). When a second sensor (46) detects a lack of sliders in the loading rack (26), the second sensor (46) signals the controller (24) to actuate a second solenoid-operated plunger (44) and a solenoid-operated pneumatic valve (48). The second solenoid-operated plunger (44) opens a passage and the pneumatic valve (48) opens to provide an air blast, thereby launching the sliders (21) into the feed tube (22) and onto the slider insertion area (27).

REFERENCES:
patent: 3172705 (1965-03-01), Burke
patent: 4275976 (1981-06-01), Sticht
patent: 6210081 (2001-04-01), Saho et al.
patent: 6468005 (2002-10-01), Esper

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