FOAMED BODY MOLDING SYSTEM, ROLLER PRODUCED BY FOAMED BODY MOLDING SYSTEM, AND IMAGE FORMING APPARATUS WITH ROLLER PRODUCED BY FOAMED BODY MOLDING SYSTEM

摘要

A foamed body molding system includes a side mold to constitute a side surface of a cylindrical cavity, a flange unit including an upper connection member to constitute an upper surface of the cylindrical cavity, a first vent hole to connect the cylindrical cavity with an upper space thereof, and a metal shaft having a diameter smaller than an inner diameter of the cylindrical cavity disposed with its lower end entering the cylindrical cavity and its upper end coaxially held with the cylindrical cavity, an upper cap unit to hold the flange unit including a second vent hole to vent air ejected from the first vent hole, and a lower cap unit including a lower connection member to constitute a lower surface of the cylindrical cavity and a raw molding material introduction cylindrical hole formed at a coaxial position with the cylindrical cavity to introduce raw molding material.

主权项

1. A foamed body molding system for molding a foamed tube with a cylindrical cavity, the foamed body molding system comprising:
a side mold defining a vertically columnar inner space, the side mold constituting a side surface of the cylindrical cavity; a flange unit including:
an upper connection member connected to an upper end of the side mold to constitute an upper surface of the cylindrical cavity;a first vent hole to connect the cylindrical cavity with an upper space formed above the upper connection member through the upper connection member to vent air therein; anda metal shaft having a diameter smaller than an inner diameter of the cylindrical cavity, the metal shaft supported within and coaxially with the cylindrical cavity by the upper connection member; an upper cap unit to hold the flange unit from above the flange unit and connect the side mold with the flange unit, the upper cap unit having a second vent hole to vent air ejected from the first vent hole outside the foamed body molding system; and a lower cap unit including:
a lower connection member to connect to the side mold from below the side mold and constitute a lower surface of the cylindrical cavity; anda raw molding material introduction cylindrical hole to introduce a composition consisting essentially of molding purpose foam resin from below, the raw molding material introduction cylindrical hole coaxially formed with the columnar inner space.