| 摘要 |
<p>PURPOSE:To prevent the occurrence of adhesion and clogging within a pressure feed device as well as to enhance pressure feed performance when material including solid particles, selfhardening material and high visous material are fed with pressure. CONSTITUTION:A cylinder is divided into a base end side cylinder 32, a cylinder rotating barrel section 32 which includes a valve seat 32c forming section while being made rotatable around the axial center of the cylinder, and a tip end side cylinder 33. The cleaning bar 32a is provided, which is projected to the side section of a check valve 37 out of the valve seat 32c of the rotating barrel section 32, and a circular seal member 41 is concurrently provided close to the base end of the inner wall surface of the cylinder rotating barrel section 32. In addition, a pressure feed material suction port 31b is provided for the base end side cylinder 31.</p> |
