Pipe joints or couplings – End to side or plate – Penetrating
Reexamination Certificate
2005-03-29
2005-03-29
Bochna, David (Department: 3679)
Pipe joints or couplings
End to side or plate
Penetrating
C285S194000, C285S219000, C285S245000, C285S247000, C029S237000
Reexamination Certificate
active
06871880
ABSTRACT:
Apparatus and methods include an adaptor to establish a flow path through the side of a first piece of tubing (rather than the end of the tubing) into a second piece of tubing or other device. The adaptor includes a threaded head slightly larger than the hole in the side of the tubing into which it is to be inserted, and gripping portions to assist in forcing the threaded head through the opening. After the head has been inserted, a sealing element is tightened to prevent leakage. To join lay-flat tubing to drip tubing, the other end of the adaptor includes an annular barbed end; a sleeve member around the barbed end; and cooperating structures acting between the barbed end and the sleeve to move those relative to each other. Barb structures on the sleeve member cooperate with the barbed end to sealingly engage the drip-tubing end.
REFERENCES:
patent: 1618720 (1927-02-01), Moore
patent: 2248576 (1941-07-01), McConnohie
patent: 2670529 (1954-03-01), Thomas
patent: 2760824 (1956-08-01), Leadbetter
patent: 3477745 (1969-11-01), Williams et al.
patent: 3843169 (1974-10-01), Wise
patent: 4190269 (1980-02-01), Purdy
patent: 4637638 (1987-01-01), Rush et al.
patent: 4749217 (1988-06-01), Causby et al.
patent: 6017066 (2000-01-01), Giuffre'
patent: 6557788 (2003-05-01), Huang
Nine (9) pictures of a flexible hose adaptor from Agricultural Products, Inc. (API).
Six (6) pages of printouts from the API website that may be relevant to the device of the preceding entry.
Bochna David
J. Mark Holland & Associates
Olson Irrigation Systems
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