Electric heating – Metal heating – Nonatmospheric environment at hot spot
Patent
1998-08-26
1999-11-09
Ryan, Patrick
Electric heating
Metal heating
Nonatmospheric environment at hot spot
219 72, 219137R, 219136, 21912111, B23K 916
Patent
active
059818964
ABSTRACT:
An apparatus for underwater welding has a housing and a diverter. The diverter is inside the housing and has an outer sheath and an inner sheath. A gap between the housing and diverter passes a screening fluid to form an outer screening jet that prevents water from flowing into a weld site near the electrode. The inner sheath forms a pair of channels in the inner diverter. One channel passes a shielding fluid that shields the weld site. The other channel forms an exhaust line for venting the weld site during welding.
REFERENCES:
patent: 3632950 (1972-01-01), Berghof
patent: 3671707 (1972-06-01), Cunningham
patent: 3794804 (1974-02-01), Berghof
patent: 3876852 (1975-04-01), Topham
patent: 3905234 (1975-09-01), Berghof
patent: 4035602 (1977-07-01), Berghof
patent: 4052632 (1977-10-01), Sagara et al.
patent: 4139758 (1979-02-01), Pinfold
patent: 4319116 (1982-03-01), Kauppi et al.
patent: 4527046 (1985-07-01), Asonen
patent: 4894512 (1990-01-01), Heusi et al.
patent: 5236517 (1993-08-01), Findlan et al.
"Weld Fumes in High Pressure MIG Welding", Yoji Ogawa, Jitsuo Sakakibara, Satoshi Matsuoka, (of the Government Industrial Research Institute, Shikoku, Miti, Japan) pp. 165-170, Proceedings of the 11th International Conference on Offshore Mechanics and Arctic Engineering 1992, vol. III, Part A -Materials Engineering ASME 1992
"A Rotating Two-Phase Gas/Liquid Flow Regime for Pressure Reduction in Underwater Plasma Arc Welding", Helmut Steinkamp and Dieter Mewes, pp. 81-87, Chemical Engineering Technology 17 1994 .COPYRGT. VCH Verlagsgesellschaft mbH, D-69451 Weinhelm 0930-7516/94/0204-0081.
"Applicability of Underwater Wet Plasma Welding with an Attachment Developed for Horizontal Position Welding", Takeshi Fukushima, Sadao Fukushima and Junichi Kinugawa , Sep. 6, 1989, pp. 28-39, Transactions of National Research Institute For Metals, vol. 32, No. 1, 1990.
"Development of Shielding Method With Water Jet and Gas In Underwater Plasma Welding", Junichi Kinugawa , Takeshi Fukushima and Sadao Fukushima, pp. 33-43, Transactions of National Research Institute For Metals, vol. 16, No. 5, 1974.
"Study of Underwater Welding Using a Modified Gravity Technique", Leu-Wen Tsay and Chun Chen, Shen-Wang Cheng, Journal of the Chinese Institute of Engineers, vol. 15, No. 3, pp. 285-292, 1992.
"Fitness-For-Service Design for Underwater Wet Welds", C.L. Tsai , L.R. Zirker, Z.L. Feng, J.A. Grantham and J.C. Papritan, pp. 1-s to 8-s, Welding Research Supplement to the Welding Journal, Jan. 1994.
"Automatic and Diverless Underwater Welding: New Systems and concepts", J.F. Dos Santos, H. Manzenrieder, H. Cui, J. Recoschewitz, A. Dobernowsky, P. Szelagowski and D. Seeliger, pp. 165-175, Proceedings of the Second (1992) International Offshore and Polar Engineering Conference, San Francisco CA USA, Jun. 14-19, 1992, ISBN 1-880653-00-1, vol. IV.
"Designing Shielded Metal Arc Consumables for Underwater Wet Welding in Offshore Applications", A. Sanchez-Oslo, S. Liu, D.L. Olson, S. Ibarra, pp. 212-220, Transactions of the ASME, vol. 117, Aug. 1995.
Frederick Gregory J.
Keanini Russell G.
Lowery Robert Jeffery
Newman Michael L.
Electric Power Research Institute Inc.
Elve M. Alexandra
Ryan Patrick
LandOfFree
Apparatus and method for creating dry underwater welds does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Apparatus and method for creating dry underwater welds, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Apparatus and method for creating dry underwater welds will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-1459198