Patent ID: 7338627

Claim:
A low pressure injection molding method for forming an elongated molded article in a vertically disposed single mold cavity having a plurality of vertically disposed resin supplying ports, said method comprising the following steps: (a) moving an injector portion so that it contacts a low vertically disposed resin supplying port in communication with a single mold cavity for the elongated article to be formed, (b) injecting at low pressure molten resin from the injection portion into the vertically disposed mold, (c) then moving the injector portion away from the low vertically disposed resin supplying port, and then vertically moving the injector portion to contact a next higher resin supplying port in the mold cavity, and (d) injecting at low pressure molten resin from the injection portion into the vertically disposed mold, and repeating steps (c) and (d) above until the mold cavity is filled with resin.