Apparatus for manufacturing zipper for bag and method of manufacturing zipper for bag
AssigneeDongbangLED Co., Ltd.
InventorLee Nam Kim
Life of this patent
Estimating the term…
Abstract
The present disclosure is for the purpose of providing an apparatus for manufacturing a zipper for a bag in which the zipper is provided in an opening of the bag of a hard type, which is made of a synthetic resin or aluminum, while being connected to a frame when extruding the frame, thus eliminating a need to sew or adhesively fix the zipper to the frame molded as in the related art, minimizing manufacturing operations, improving a manufacturing efficiency, enhancing the quality of the bag by firmly connecting the zipper to the frame, and sufficiently ensuring user's satisfaction, and a method of manufacturing the zipper for the bag.
Claims8
An apparatus for manufacturing a zipper for a bag, comprising:
- a raw material supply part configured to supply a raw material for forming a frame having an opening of the bag;
- an extruding part configured to extrude the raw material supplied from the raw material supply part;
- a zipper supply part configured to supply the zipper to the extruding part such that the zipper is fixed to the frame to be extruded by the extruding part;
- and
- a cooling-transfer part configured to cool and transfer the frame extruded together with the zipper by the extruding part,
- wherein the extruding part includes:
- a feeding mold to which the raw material of the frame and the zipper are supplied;
- a shaping mold connected to the feeding mold and configured to sandwich a cloth of the zipper into the raw material transferred via the feeding mold;
- and
- an extruding mold connected to the shaping mold and configured to extrude the frame with the zipper fixed to the frame.
A method of manufacturing a zipper for a bag, the method comprising:
- (a) supplying a raw material for forming a frame of the bag to a raw material supply part;
- (b) melting the raw material supplied to the raw material supply part and injecting the melted raw material to a feeding mold of an extruding part;
- (c) supplying a zipper to the feeding mold of the extruding part such that the zipper is fixed to the frame;
- (d) extruding the frame with an extruding mold of the extruding part in a state in which a zipper cloth of the zipper is connected to the melted raw material supplied to the extruding part;
- and
- (e) cooling the frame with the zipper fixed thereto by passing the frame through a cooling-transfer part,
- wherein, in the act (c) of supplying the zipper to the extruding part, the zipper cloth is supplied while being sandwiched into the raw material injected to the extruding part by a shaping mold of the extruding part connected to the feeding mold and the extruding mold.
Dependencies are inferred from the claim text.