Method of manufacturing plugged honeycomb structure

Details Method of manufacturing plugged honeycomb structure Method of manufacturing plugged honeycomb structure

2011-08-23

2011-08-23

Lee, Edmund H. (Department: 1744)

Plastic and nonmetallic article shaping or treating: processes

Mechanical shaping or molding to form or reform shaped article

To produce composite, plural part or multilayered article

C264S275000, C264S512000, C264S517000, C264S069000

Reexamination Certificate

active

08003035

ABSTRACT:
A method of manufacturing a plugged honeycomb structure has a plugging process which includes the steps of: immersing one end (a first end) of a honeycomb base material in a plugging slurry while vibrating the plugging slurry; after bringing an internal part of a cell into a negative pressure and then returning it into an atmospheric pressure, vibrating the plugging slurry to make the plugging slurry enter a first open end of the cell; and drying the plugging slurry having entered the first open end of the cell to form a first plugging portion at the first end.

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