Method and machine for automatically fabricating zippers

A method for automatically fabricating zippers, which applies to a machine for automatically fabricating zippers and comprises steps:

• placing two tapes in parallel on said machine, injection-molding a plurality of plastic teeth on two opposite edges of said tapes, leaving untoothed blank regions on said tapes periodically, and applying plastic films onto said tapes;
• transporting said tapes having been filmed to a punching device to punch a positioning hole on each said blank region, wherein a distance between said positioning hole and a nearest said elastic tooth is about four times a width of said elastic tooth;
• transporting said tapes forward, inserting each section of said plastic teeth, which is between two adjacent said blank regions, into at least one slider, and injection-molding a plurality of bayonets on said blank regions respectively, wherein each said positioning hole corresponds to a set of bayonets;
• and
• cutting off said tapes at said blank regions to obtain a plurality of zippers.