Metal working – Method of mechanical manufacture – Of a slide fastener
Reexamination Certificate
2006-05-25
2008-11-25
Bryant, David P (Department: 3726)
Metal working
Method of mechanical manufacture
Of a slide fastener
C029S768000, C029S408000, C029S410000, C029S766000, C029S033200
Reexamination Certificate
active
07454824
ABSTRACT:
An installed structure of a slide unit of a clamping head on a zipper bag has a vibration device, a track and an installation device. The installation device is installed with a removing unit, an input unit and a press unit so that a clamping portion is delivered to a removing unit. A removing sheet of the removing unit serves to open the closed clamping portion. The slide unit of the clamping head is pushed to be installed in the clamping portion of the zipper bag. The open clamping portion is closed again by use of two corresponding rolling wheels of the press unit pressing. The slide unit of the clamping head is installed automatically at the clamping portion of the zipper bag. The assembly procedure is continuous, convenient and fast. The installed structure is available to be mass production, reduce manufacture costs and fit in with economic efficiency.
REFERENCES:
patent: 6973704 (2005-12-01), Cortigiano, Sr.
Afzali Sarang
Bryant David P
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