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In Young Ryu, 794644 Blackrock Ave, La Verne, CA 91750

In Ryu Phones & Addresses

4644 Blackrock Ave, La Verne, CA 91750    909-5928174   

Pittsburgh, PA   

Greenbrae, CA   

San Dimas, CA   

Los Angeles, CA   

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In Su Ryu

Licenses:
License #: CC-0006096 - Active
Category: Accountancy
Issued Date: Aug 22, 2005
Type: C.P.A. Certificate

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Us Patents

Process For Rolling Soft Metals

US Patent:
5140837, Aug 25, 1992
Filed:
May 28, 1991
Appl. No.:
7/706318
Inventors:
John E. Thomas - Pittsburgh PA
Chung Ryu - Cedar Rapids IA
In H. Ryu - Cedar Rapids IA
Gordon K. Young - Cedar Rapids IA
Joong H. Shin - Cedar Rapids IA
Assignee:
Tippins Incorporated - Pittsburgh PA
PMX Industries, Inc. - Cedar Rapids IA
International Classification:
B21B 134
C21D 802
US Classification:
72229
Abstract:
The method of processing soft metal slabs to strip thickness on a processing line including providing a hot reversing mill having coiler furnaces on either side thereof along the processing line; heating the slab to a hot working temperature; passing the heated slab through the hot reversing mill at least one time to reduce the thickness thereof to form an intermediate product of a coilable thickness; coiling the intermediate product in one of the coiler furnaces; passing the intermediate product back and forth through said hot reversing mill and between the coiler furnaces to reduce the intermediate product to a product having a strip thickness; processing the product of strip thickness through a quench; and surface cleaning the quenched product. No subsequent hot rolling, hot milling, cold reduction or anneal takes place prior to forming the product of strip thickness.

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