Patent ID: 8870034
Filing Date: 2014-10-28
Classification: B05B,B05C

Abstract:
1. A material pressure feeding apparatus including a container having a top opening for receiving a bag, in which a viscous material is contained, a press member having a through-hole communicable with an aperture formed in an upper portion of the bag positioned within the container, the press member being positioned on the bag, and a pressure feeder including a pressure feed passage that is in communication with the through-hole, and feeding with pressure the material within the bag by lowering the press member, comprising: an annular member positioned on the outer peripheral side of the press member to be capable to pressing an inner periphery of the container outward along a radial direction, wherein the annular member is supported by the press member while permitted to be relatively moved with respect to the press member, and the annular member is supported by the press member so as to be moveable in a horizontal and vertical direction, and wherein the press member comprises an upper pressing plate, and a lower pressing plate attached to a lower surface side of the upper pressing plate in a state of a supporting space is formed between a lower surface of the outer peripheral side of the upper pressing plate and the lower pressing plate,