Patent ID: 7422718

Claim:
A multi-insert cap blow-molding method for molding a hollow plastic product which is integrally formed with elongate fastening members, the method comprising: seating each fastening member in a fastening member seating groove which is defined in a lower mold, each fastening member being composed of an outer insert cap which defines an elongate configuration to have a substantial depth and an inner insert cap which is positioned to be separated from a bottom surface of the outer insert cap by a predetermined distance and divides a space defined in the outer insert cap into an upper space and a lower space; positioning a hollow parison between an upper mold and the lower mold which are defined with cavities having predetermined contours; blowing hot air into the parison with the upper and lower molds enclosing the parison, molding the parison in conformity with the predetermined contours of the cavities, and integrally fusing a portion of the parison to an inner surface of the fastening member; and cooling, discharging and finishing a resultant product which has fused therewith the fastening members.