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Title:
VISCOUS BODY MOLDING APPARATUS AND VISCOUS BODY MOLDING METHOD
Document Type and Number:
Japanese Patent JP2011168047
Kind Code:
A
Abstract:

To enable a shaping by one molding process containing also a formation of a relatively complicated shape such as an engaging shape of an external wall material, and to increase the productivity of a molding.

A molding apparatus forming the molding by extruding clay through a nozzle 10 is provided. Cutting edges 14a and 15a are provided so as to traverse an extruding passage of the nozzle 10, and the cutting edges are fixed to the nozzle 10 so as to divide the extruding passage to pluralize. The cutting edges are made to be of a complicated shape such that a flow resistance of clay become larger compared to the extruded shape in the central part of the extruded clay, and at the same time, the size in an extruding direction is more shortened compared to that of the nozzle such that the flow resistance of the clay as the whole molding including a cutting edge part become uniform. Even in case of forming a molding containing a complicated extruding shape, the flow resistance is uniform as the whole molding containing the complicated extruding shape part, and therefore, the molding is, as a whole, extruded at a same speed, cracks and hangnail of the molding surface can be prevented, and no post-processing is required.


Inventors:
SUMIYA TOMOJI
Application Number:
JP2011000008564
Publication Date:
September 01, 2011
Filing Date:
January 19, 2011
Export Citation:
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Assignee:
ISHIKAWA TOKI IRON WORKS
International Classes:
B28B3/20; B29C48/30
Domestic Patent References:
JPH01139214A1989-05-31
JPS62109608A1987-05-20
JPH0280407U1990-06-21
JPH0747525A1995-02-21
JPH01139214A1989-05-31
JPS62109608A1987-05-20
JPH0280407U1990-06-21
Attorney, Agent or Firm:
特許業務法人岡田国際特許事務所