Radiant energy – Radiation controlling means – Shields
Patent
1996-08-22
1998-09-29
Nguyen, Kiet T.
Radiant energy
Radiation controlling means
Shields
2505061, G21C 1100
Patent
active
058148248
ABSTRACT:
The present invention relates a composite insulation and shielding article and a method of permanently installing the composite article onto a system to provide at least radioactive shielding. The composite shielding for permanently reducing radioactive radiation emanating from a system comprises at least one inner layer, at least one outer layer, and a shielding layer between said inner and outer layers, said shielding layer comprising a shield material that reduces said radioactive radiation.
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Hill et al. "Coated lead shielding protects nuclear power plant workers," vol. 100 Power Engineering, pp. 28-31 (p. 29 does not appear to exist) (Sep. 1996).
Brochure: Darchem Engineering, Inc., "Darmet--All Metallic Insulation Outage and Backfit Services," received from Darchem, Nov., 1996 (14 sheets in brochure, some double-sided).
Brochure: "Weir, Tile Weir Group PLC," Nov., 1994 (12 numbered pages).
Brochure: "The Weir Group PLC--Power," received from Darchem, Nov., 1996 (55 numbered pages).
ASTM C 667-92, Standard Specification for Prefabricated Reflective Insulation Systems for Equipment and Pipe Operating at Temperatures above Ambient Air (Aug., 1992).
Onitsuku, Hironori, "Radiation Exposure Reduction Program at Mitsubishi Heavy Industries," pp. 1-23 (REM Conference, U.S.A., 1992).
Cross-section of Sheet Lead Shielding (sheet 7 of 7). has no dated and no named.
"Drawing of Darmet and Lead Insulation" (denoted as p. 11). has no dated and named.
Two-page drawing entitled "Shielding." Has no date, name and no page.
"Y-Ray Shield Insulation Material" Jun. 23, 1993 pp. 2-10. has no named.
Alpha Bruce J.
Hamby Peter N.
Olson David E.
Polak Frank P.
Risley Bryan L.
Commonwealth Edison Company
Electric Power Research Institute Inc.
Nguyen Kiet T.
Sargent & Lundy, LLC
Transco Products Inc.
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