Die for molding honeycomb structures

Details Die for molding honeycomb structures Die for molding honeycomb structures

B - Operations, Transporting

28

B

25/25

B28B 3/26 (2006.01) B01J 35/04 (2006.01) B28B 3/20 (2006.01) B29C 47/12 (2006.01) B29C 47/20 (2006.01)

Patent

CA 1293609

ABSTRACT A grid-shaped molding passage is formed in an outlet surface of the die body, and in an inlet surface on the opposite side plural independent supply passages are formed, which are opposite to intersecting portions of the molding passage and extend toward the outlet surface. A through hole is designed to communicate adjacent supply passages at a place that forms part of the partition wall between the supply passages and is in contact with the molding passage. This through hole takes the combined shape of a trapezoid with the width of the molding groove as its top side and the diameter of the supply passage as its maximum base side and a semicircle having the length of the base side as its diameter. This die may be used for molding catalysts or carriers, honeycomb-structured dry kneading agents or adsorbents, or organic fiber-containing ceramics and the like.

531017

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