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Title: US4095996: Method of and apparatus for the removal of sea growth from submerged ship hull surfaces
[ Derwent Title ]

Country: US United States of America

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11 pages

Inventor: Meyers, Bradley E.; Seattle, WA

Assignee: Disney; Roy E., Burbank, CA
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Published / Filed: 1978-06-20 / 1976-01-02

Application Number: US1976000646344

IPC Code: Advanced: B08B 7/00; B63B 59/04; B63B 59/08; F42D 3/00;
IPC-7: B08B 7/00;

ECLA Code: B08B7/00E; B63B59/08; F42D3/00;

U.S. Class: Current: 134/001; 102/302; 114/222; 134/042;
Original: 134/001; 102/023; 102/054; 114/222; 134/042;

Field of Search: 134/017,1,42 114/222 102/027,DIG. 2,23,54 244/134 R

Priority Number:
1974-01-04  US1974000430606

Abstract:     Sea-growth is removed from submerged ship-hull surfaces by the utilization of an apparatus which comprises a net with a predetermined mesh design made from an explosive cord with predetermined charge and manufactured in a specific net pattern for obtaining sequential ignition in a predetermined direction.

Attorney, Agent or Firm: Garrison, David L. ;

Primary / Asst. Examiners: Fisher, Richard V.; Caroff, Marc L.

INPADOC Legal Status: None          Buy Now: Family Legal Status Report

Related Applications:
Application Number Filed Patent Pub. Date  Title
US1974000430606 1974-01-04    1976-06-08  Removal of sea growth from submerged ship hull surfaces

Parent Case:     This is a divisional of application Ser. No. 430,606, filed Jan. 4, 1974 now U.S. Pat. No. 3,961,594.

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First Claim:
Show all 7 claims
Now, therefor, I claim:     1. The method of removing sea-growth from the surface of an object comprising the steps of:
  • (a) forming a network from an explosive cord, said network including a plurality of sequentially detonatable segments connected together with connecting means, said connecting means comprising nonpropagative connectors and detonation delay units;
  • (b) positioning the network substantially parallel and at a predetermined spaced relationship away from the surface of the object, said spaced relationship being effective to remove sea-growth from said surface and to substantially prevent damage to said surface upon detonation of said cord; and
  • (c) detonating said segments sequentially, while maintaining the network and the surface submerged in a liquid.

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Description: Show description

Forward References: Show 1 U.S. patent(s) that reference this one

U.S. References: Go to Result Set: All U.S. references   |  Forward references (1)   |   Backward references (6)   |   Citation Link

Patent  Pub.Date  Inventor Assignee   Title
Get PDF - 12pp US2435986  1948-02 Taylor   Antifouling device
Get PDF - 2pp US2752272  1956-06 Fay   Removal of coke from tubes
Get PDF - 4pp US2930554* 1960-03 Johnson    
Get PDF - 3pp US3068829* 1962-12 Nuissl    
Get PDF - 9pp US3731626  1973-05 Grayson  Sellers and Brace NON-STRETCHING EXPLOSIVE CORD
  * some details unavailable
Foreign References:
Publication Date IPC Code Assignee   Title
  DT2313876 1973-10       
  SU0126585 1960-05  B22D 29/00 BOLOTIN V D  

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