Die for forming honeycomb structure and manufacturing method therefor
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United States of America Patent
Stats
-
Apr 11, 2017
Grant Date -
Mar 26, 2015
app pub date -
Dec 1, 2014
filing date -
Jun 4, 2012
priority date (Note) -
In Force
status (Latency Note)
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Abstract
A die for forming a honeycomb structure, including: a second plate-shaped portion that is formed of iron and the like and has back holes; and a first plate-shaped portion that is formed of tungsten carbide based cemented carbide and has cavities communicating with the back holes and slits communicating with the cavities, with the first plate-shaped portion having a first layer arranged in the second plate-shaped portion side and a second layer arranged on the first layer, the cavities are opened on both sides of the first layer, and the slits are opened on both sides of the second layer.
First Claim
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International Classification(s)
Cited Art Landscape
Patent Citation Ranking
- 3 Citation Count
- B23B Class
- 22.16 % this patent is cited more than
- 8 Age
Maintenance Fees
| Fee | Large entity fee | small entity fee | micro entity fee | due date |
|---|---|---|---|---|
| 11.5 Year Payment | $7400.00 | $3700.00 | $1850.00 | Oct 11, 2028 |
