Details

Pull head there are a lot of kinds, common basically has automatic needle lock head, lock head, lock head, double split drop-down first four kinds of forms,
(1) automatic lock head (Auto lock slider) referred to as "the locks, pull head LaBi has a self-locking small pieces, in under the action of spring force, can automatically embedded chain will pull head locking between teeth. Opening and closing the zipper, filed a pull-tab drive small block from the chain.
Automatic zip head are:
A. the single pull locks, and head of the upper pulling (LaBi) assembly a pull-tab automatic lock head;
Purpose: the most commonly used popularization, children and adult clothing, shoes, etc. Almost all use.
B. double since the locks, and head of the upper (LaBi) and the lower pulling (LaBi) assembly a pull-tab automatic lock head; Purpose: to use on the special requirements of products, rarely used.
C. rotating the locks, pull-tab can pull head around the lower automatic lock head. USES: used in can double wearing clothing, often use.
D. shrapnel double locks (YG)
Purpose: pants chain, bag chain.
(2) needle lock head, head of the slices with 1 to 2 needle, pull when pressing down on them, retaining needle is inserted into the chain between the teeth, will pull head is fixed. Purpose: bedding, shoes and so on
(3) no lock head, without locking head. It has the branch of single and double: purpose: bags,
(4) contact head used in tight clothes, more clothes for women.