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US 7,603,757 B2Granted
Method of manufacturing mold for producing catalyst carriers
AssigneeHyundai Motor Company
InventorMyung-Sik Choi
Life of this patent
Estimating the term…
Abstract
A method of manufacturing a mold for producing a catalyst carrier, which has a circular cross-sectional cell structure to realize high cell density and form a very thin web, compared to conventional arts, using a bundle of I-shaped pins.
Claims10
A method of manufacturing a mold for producing catalyst carriers, comprising:
- manufacturing a plurality of I-shaped pins each comprising head parts provided on upper and lower ends thereof, and a medial part provided between the head parts and having a diameter less than a diameter of each of the head parts;
- assembling and adhering the I-shaped pins with each other such that the I-shaped pins form one plane;
- forming a feed hole plate by securing the upper and lower ends of the assembled I-shaped pins to each other;
- cutting intermediate portions of the secured I-shaped pins;
- a coordinate setting step of setting coordinates of feed holes on the secured portions of the I-shaped pins;
- and
- a feed hole machining step of machining the feed holes in the feed hole plate at the set coordinates of the feed holes.
4 more elements
Dependencies are inferred from the claim text.