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Patent Searching and Data


Title:
BUOYANCY PROVISIONS FOR FACILITATING UNDERWATER FRICTION WELDING
Document Type and Number:
WIPO Patent Application WO/2020/131229
Kind Code:
A3
Abstract:
A method and buoyancy system are disclosed for facilitating diver directed underwater friction welding (also known as friction welding) operations. Various illustrative embodiments of the method, buoyancy system and combined portable friction welding system and buoyancy provisions are disclosed for improving ease of diver use in making underwater joints.

Inventors:
LAU HARVEY (US)
GRIFFIN JOHN M (US)
FOLEY THOMAS (US)
MURRAY ROBERT (US)
SMITH MARK ANDREW (US)
JACKSON RICHARD (US)
Application Number:
US2019/059155
Publication Date:
October 15, 2020
Filing Date:
October 31, 2019
Export Citation:
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Assignee:
LAU HARVEY (US)
GRIFFIN JOHN M (US)
FOLEY THOMAS (US)
MURRAY ROBERT (US)
SMITH MARK ANDREW (US)
JACKSON RICHARD (US)
International Classes:
B23K20/12; B23K20/26; B63C9/08; B63C11/30; F16L1/24; B29L31/00
Domestic Patent References:
WO2019104366A12019-06-06
Foreign References:
US7303360B22007-12-04
US20150343558A12015-12-03
US9656389B22017-05-23
US20180169977A12018-06-21
US20180252334A12018-09-06
US9103472B22015-08-11
US7770777B22010-08-10
US4172974A1979-10-30
US20100065532A12010-03-18
US7540690B22009-06-02
US20090272855A12009-11-05
Attorney, Agent or Firm:
RICHARDS, John et al. (US)
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