Waterproof Zipper and Process of Manufacturing Same
AssigneeWin-Chain Knitting Co., Ltd.
InventorHung-Chao Chen
Life of this patent
Estimating the term…
Abstract
A waterproof zipper is provided with two halves, each including a half tape member and a row of protruding teeth along an inner edge of the half tape member; and a waterproof layer is secured to an inner surface of the halves. The waterproof layer coated on the inner surfaces of the halves may prevent the liquid from penetrating into the interior of the waterproof zipper, and simplify the structure of the waterproof zipper. A process of manufacturing the waterproof zipper is also provided.
Claims18
A waterproof zipper comprising:
- two halves, each including a half tape member and a row of protruding teeth disposed along a side of the half tape member;
- and
- a waterproof layer is secured to an inner surface of the halves.
A process for manufacturing a waterproof zipper, comprising the steps of:
- (a) guiding the waterproof layer to a position above two halves on a continuous flow production line, each half having a half tape member and a row of protruding teeth along a side of the half tape member;
- (b) coating a waterproof layer on a releasing layer;
- (c) drying both the waterproof layer and the releasing layer in an oven;
- (d) pressing the halves on the waterproof layer by a pressing device to secure the waterproof layer and the releasing layer together;
- (e) removing the releasing layer from the waterproof layer;
- (f) drying both the waterproof layer and the halves in the oven again;
- (g) cooling both the waterproof layer and the halves for a predetermined period of time;
- (h) removing both the waterproof layer and the halves from the continuous flow production line;
- and
- (i) placing both the waterproof layer and the halves in an environment to produce a finished waterproof zipper.
A process for manufacturing a waterproof zipper, comprising the steps of:
- (a) guiding the waterproof layer to a position above two half tape members on a continuous flow production line;
- (b) coating a waterproof layer on a releasing layer;
- (c) drying both the waterproof layer and the releasing layer in an oven;
- (d) pressing the two half tape members on the waterproof layer by a pressing device to secure the waterproof layer and the releasing layer together;
- (e) removing the releasing layer from the waterproof layer;
- (f) drying both the waterproof layer and the half tape members in the oven again;
- (g) cooling both the waterproof layer and the half tape members for a predetermined period of time;
- (h) removing both the waterproof layer and the half tape members from the continuous flow production line;
- (i) placing both the waterproof layer and the half tape members in an environment;
- and
- (j) connecting the two half tape members to two rows of protruding teeth to produce a finished waterproof zipper.
Dependencies are inferred from the claim text.