RESIN MOLDING METHOD AND LIQUID EJECTION HEAD MANUFACTURING METHOD

摘要

The present invention provides a resin molding method that can produce a molded product that is inexpensive and represents a small linear expansion coefficient, a high degree of resistance to various liquids and an excellent mold releasability as well as a high degree of dimensional accuracy. The resin molding method includes a step of plasticizing thermosetting resin (S2) and injecting the plasticized thermosetting resin into the cavity of a metal mold apparatus (S3), a step of curing the thermosetting resin in the cavity (S4) and a step of opening the mold (S5). The step of opening the mold (S5) is executed when the mold that forms the cavity is at a temperature not lower than the glass transition point Tg of the thermosetting resin.

主权项

1. A resin molding method comprising:
a step of plasticizing thermosetting resin and injecting the plasticized thermosetting resin into the cavity of a metal mold apparatus; a step of curing the thermosetting resin in the cavity; and a step of opening the mold forming the cavity when the mold is at a temperature not lower than the glass transition point of the thermosetting resin.