Zipper:
This is one kind of trimming which is use open and close of special parts of garments.
Purpose:
Functional:
Functional purpose of zipper is as a part of a garment here zipper is used to open and close the openings.
Decorative purpose:
Where zipper is used as a decorative purpose, it inches the beauty of germens.
Uses:
In making trousers and jackets , chain or zipper is in essential component which is used to open or close of special parts of garment.
Types of zipper:
According to manufacturing material there are 3 types of zipper.
1. Metal zipper:
.Metal zipper is used in trousers and shorts.
2. Polyester zipper:
Polyester or nylon zipper are used in jackets .It is made from a continuous filament paced onto narrow fabric tape.
3. Plastic - molded zipper:
This types of zipper is used in pants.
Slider:
It is move up and down. Function of slider is to engage or disengage the teeth of opposite sides of chain.
Slider mainly three types they are:-
1. Non –locking.
2. Semi-looking.
3. Full or auto locking.