Double containment coupling

Information

  • Patent Grant
  • D882738
  • Patent Number
    D882,738
  • Date Filed
    Friday, January 5, 2018
    6 years ago
  • Date Issued
    Tuesday, April 28, 2020
    4 years ago
  • Inventors
    • Leung; Martin Kwan Yu
  • Original Assignees
  • Examiners
    • Goodman; Eric L
    • Wierenga; Amy C
  • US Classifications
    Field of Search
    • US
    • D23 259
    • D23 262
    • D23 263
    • D23 265-266
    • 285 015000
    • 285 016000
    • 285 031000
    • 285 033000
    • 285 045000
    • 285 053000
    • 285 086000
    • 285 104000
    • 285 125100
    • 285 179000
    • 285 180000
    • 285 285100
    • 285 294100
    • 285 294300
    • 285 373000
    • 285 417000
    • 285 003000
    • 285 039000
    • 285 105000
    • 285 113000
    • 285 257000
    • 285 305000
    • 285 321000
    • 285 323000
    • 285 340000
    • 285 423000
    • 251 146-152
    • 138 099000
    • CPC
    • F16L55/172
    • F16L55/175
    • F16L55/178
    • F16L37/0845
    • F16L37/0915
    • F16L37/22
    • F16L21/08
    • F16L21/00
  • International Classifications
    • 2301
    • Term of Grant
      15Years
Abstract
Description


FIG. 1 is a perspective view of the double containment coupling in its environment with a pipe inserted in one end;



FIG. 2 is a front and top perspective view of the double containment coupling;



FIG. 3 is a side view of FIG. 2;



FIG. 4 is a top view of FIG. 2;



FIG. 5 is a rear view of FIG. 2;



FIG. 6 is a front view of FIG. 2;



FIG. 7 is an exploded view of FIG. 2 in a disassembled configuration;



FIG. 8 is an enlarged detailed view of the disassembled corner 8 shown in FIG. 7;



FIG. 9 is a cross sectional view of FIG. 8 taken along line 9-9; and,



FIG. 10 is a top sectional view of the disassembled configuration shown in FIG. 7 taken along line 10-10.


The dash dot broken lines depict environmental subject matter that forms no part of the claim. The dot dash broken line indicates cutoff boundaries for the enlarged detail portion view designated in FIGS. 7 and 8 and form no part of the claim.


Claims
  • I claim the ornamental design for a double containment coupling, as shown and described.
Priority Claims (1)
Number Date Country Kind
178055 Nov 2017 CA national
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Foreign Referenced Citations (1)
Number Date Country
3110243 Sep 1982 DE
Non-Patent Literature Citations (6)
Entry
IPEX Clear-Guard Double Containment Piping; Catalogue, p. 6, Copyright 2013; [Visited Online Jul. 22, 2019], https://www.arcat.com/catalogs/ipexusa/clearguardcontaiment-datasheet/html5/index.html?page=1 (Year: 2013).
Double Containment Piping Systems, Brochure Copyright Date 2014; [Visited Online Jul. 22, 2019], http://www.ipexna.com/media/1263/double-containment-product-catalog.pdf (Year: 2014).
Double-See Vinyl Double Containment Piping system Brochure; Print Date 2012, [Visited Online Jul. 22, 2019], https://gfpsresourcecenter.blob.core.windows.net/resource/Double-See%20Vinyl%20Double%20Containment%20Piping%20System%20(Brochure).pdf (Year: 2012).
Commercial Industry Supply Website Posted Entry, What's the Deal with Clear PVC?, Posted Nov. 13, 2013, [Visited Online Jul. 22, 2019], https://www.commercial-industrial-supply.com/resource-center/whats-the-deal-with-clear-pvc/ (Year: 2013).
Harvel Clear PVC Pipe Spec Sheet Catalog; Effective date Apr. 28, 2010; Visited Online Oct. 16, 2019; http://www.clearpvcpipe.com/media/additional/ClearPVCspecs.pdf (Year: 2010).
Harvel Clear Compression and Repair Coupling; Grainger Website copyright dates 1994-2019; Visited Online 0/16/2019; https://www.grainger.com/category/plumbing/pipe-tubing-and-fittings/pipe-fittings/pvc-pipe-fittings?brandName=HARVEL+CLEAR&filters=brandName (Year: 1994).