Coating processes – Mold coating
Patent
1988-01-06
1989-08-29
Silverberg, Sam
Coating processes
Mold coating
427135, 249115, 2491141, 425462, 425463, B29F 304
Patent
active
048616265
ABSTRACT:
An extrusion die an be produced and reclaimed precisely, quickly and easily in an economical way, possesses a high abrasive-resistant property and a prolonged life, produces light-weight honeycomb structures having thin partition walls and provides a large reaction surface area within the honeycomb structure for the catalyst to contact with the exhaust gases, in addition to smooth passage of the exhaust gases with little pressure loss thereof, and mitigates or eliminates the drawbacks of conventional dies.
REFERENCES:
patent: 3617363 (1971-11-01), Metzger
EP No. 0240265, 10/7/87.
Ihara Masahiro
Ito Haremi
Maekawa Hideya
Suzuki Kazuo
Tanaka Ken'ichi
NGK Insulators Ltd.
Silverberg Sam
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