Title:
Sleeve coupling
United States Patent D427668


Inventors:
Stout Jr., William K. (Mason, OH)
Application Number:
29/105272
Publication Date:
07/04/2000
Filing Date:
05/20/1999
Assignee:
Eastern Sheet Metal, Inc. (Cincinnati, OH)
Primary Class:
Field of Search:
D23/259, D23/262, D23/263, D23/269, D23/386, D23/387, D23/393, D8/382, 285/95, 285/109, 285/294.1, 285/331, 285/336, 285/417, 285/424, 285/910, 285/918, 277/602, 277/608, 277/625, 277/626, 277/607
View Patent Images:
US Patent References:
D407802Pipe adaptor fittingApril, 1999Hatfield et al.
D402354Flange maskDecember, 1998Strong et al.D23/259
D386246Circular sleeve couplingNovember, 1997Sonden et al.
D383053Tapered socket welded couplingSeptember, 1997Schrader et al.
D383195Circular sleeve couplingSeptember, 1997Sonden et al.
D383196Circular sleeve couplingSeptember, 1997Sonden et al.
5649662Method and a pipe element for providing a radially outwards directed bead at the end rim of a pipeJuly, 1997Krichau et al.
5599600Nozzle repair shieldFebruary, 1997Rau
D377829Component for a ventilation duct systemFebruary, 1997Andersen
5531460U-shaped sealing device on a pipeJuly, 1996Stefansson et al.
D368304Combined hose and flow line coupling memberMarch, 1996Morrison
D367316Circular sleeve couplingFebruary, 1996Sonden et al.
D363115Component part of a T-pieceOctober, 1995Lennartsson
D362299Circular sleeve couplingSeptember, 1995Sonden et al.
D362300Circular sleeve couplingSeptember, 1995Sonden et al.
D361829Circular sleeve couplingAugust, 1995Sonden et al.
D360018Circular sleeve couplingJuly, 1995Sonden et al.
D360019Circular sleeve couplingJuly, 1995Sonden et al.
D360020Circular sleeve couplingJuly, 1995Sonden et al.
D360021Circular sleeve couplingJuly, 1995Sonden et al.
5405174Kit and method for producing a connector for fluid pipe elementsApril, 1995Sonden et al.
D273702Adjustable ventilation nozzleMay, 1984Widerby et al.D23/393
4050703Tubular connectorsSeptember, 1977Tuvesson et al.
4007941Seal for duct terminatorFebruary, 1977Stancati
3955834Apparatus for connecting ducts with a self-sealing jointMay, 1976Ahlrot
D234847N/AApril, 1975Hoffman
2930635Fluid coupling connection with contractible sleeveMarch, 1960Woodling
2544108Pipe connectingMarch, 1951Richardson
1570974Steam-pipe-connection packingJanuary, 1926StevensD23/269
1565918GasketDecember, 1925Fitzgerald
D025709N/AJune, 1896Pratt



Foreign References:
SE13987January, 1974
SE17788April, 1976
SE19819April, 1977
SE25473April, 1980
SE25610April, 1980
SE26059July, 1980
SE26995December, 1980
Other References:
Ducts and Fittings Product Brochure, Lindab Ltd., Northampton, Great Britain (undated).
Primary Examiner:
Douglas, Alan P.
Assistant Examiner:
Hecker, Reid
Attorney, Agent or Firm:
Dinsmore & Shohl LLP
Claims:
1. The ornamental design for a sleeve coupling, as shown and described.

Description:

FIG. 1 is a front plan view of a first embodiment of the sleeve coupling;

FIG. 2 is a front perspective view of the sleeve coupling of FIG. 1;

FIG. 3 is a top view of the sleeve coupling of FIG. 1;

FIG. 4 is a bottom view of the sleeve coupling of FIG. 1;

FIG. 5 is a front plan view of a second embodiment of the sleeve coupling;

FIG. 6 is a front perspective view of the sleeve coupling of FIG. 5;

FIG. 7 is a top view of the sleeve coupling of FIG. 5;

FIG. 8 is a bottom view of the sleeve coupling of FIG. 5;

FIG. 9 is a front plan view of a third embodiment of the sleeve coupling;

FIG. 10 is a front perspective view of the sleeve coupling of FIG. 9;

FIG. 11 is a top view of the sleeve coupling of FIG. 9;

FIG. 12 is a bottom view of the sleeve coupling of FIG. 9;

FIG. 13 is a front plan view of a fourth embodiment of the sleeve coupling;

FIG. 14 is a front perspective view of the sleeve coupling of FIG. 13;

FIG. 15 is a top view of the sleeve coupling of FIG. 13;

FIG. 16 is a bottom view of the sleeve coupling of FIG. 13;

FIG. 17 is a front plan view of a fifth embodiment of the sleeve coupling;

FIG. 18 is a front perspective view of the sleeve coupling of FIG. 17;

FIG. 19 is a top view of the sleeve coupling of FIG. 17; and,

FIG. 20 is a bottom view of the sleeve coupling of FIG. 17.

The broken lines shown in FIGS. 1 and 2 are for illustrative purposes only and form no part of the claimed design.