USD453042S1 - Coupling ring for ventilation ducts - Google Patents

Coupling ring for ventilation ducts Download PDF

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Publication number
USD453042S1
USD453042S1 US29/135,788 US13578801F USD453042S US D453042 S1 USD453042 S1 US D453042S1 US 13578801 F US13578801 F US 13578801F US D453042 S USD453042 S US D453042S
Authority
US
United States
Prior art keywords
coupling ring
ventilation ducts
ducts
ventilation
view
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
US29/135,788
Inventor
Lars-Åke Mattsson
Kenneth Lennartsson
Sten Högman
Carl-Gustaf Sondén
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Lindab AB
Original Assignee
Lindab AB
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Lindab AB filed Critical Lindab AB
Priority to US29/135,788 priority Critical patent/USD453042S1/en
Assigned to LINDAB AB reassignment LINDAB AB ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS). Assignors: HOGMAN, STEN, LENNARTSSON, KENNETH, MATTSSON, LARS-AKE, SONDEN, CARL-GUSTAF
Application granted granted Critical
Publication of USD453042S1 publication Critical patent/USD453042S1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Description

FIG. 1 is a front perspective view of an oval coupling ring of the new design.
FIG. 2 is a rear perspective view of the coupling ring of the new design.
FIG. 3 is a rear view of the coupling ring.
FIG. 4 is a side view of the coupling ring.
FIG. 5 is a front view of the coupling ring.
FIG. 6 is an end view of the coupling ring; and,
FIG. 7 is a cross-section of the coupling ring at a central straight portion of the same; section line VII—VII in FIG. 5.

Claims (1)

  1. The ornamental design for a coupling ring for ventilation ducts, as shown.
US29/135,788 2001-01-17 2001-01-17 Coupling ring for ventilation ducts Expired - Lifetime USD453042S1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
US29/135,788 USD453042S1 (en) 2001-01-17 2001-01-17 Coupling ring for ventilation ducts

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US29/135,788 USD453042S1 (en) 2001-01-17 2001-01-17 Coupling ring for ventilation ducts

Publications (1)

Publication Number Publication Date
USD453042S1 true USD453042S1 (en) 2002-01-22

Family

ID=22469665

Family Applications (1)

Application Number Title Priority Date Filing Date
US29/135,788 Expired - Lifetime USD453042S1 (en) 2001-01-17 2001-01-17 Coupling ring for ventilation ducts

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US (1) USD453042S1 (en)

Cited By (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
USD475131S1 (en) 2002-08-05 2003-05-27 North West Heating & Sheet Metal Boot hanger mounting bracket
US20050003754A1 (en) * 2002-07-11 2005-01-06 Allan Pilger Boot hanger mounting bracket
USD516697S1 (en) 2004-05-14 2006-03-07 Eastern Sheet Metal Llc Duct end portion
USD516698S1 (en) 2004-05-14 2006-03-07 Eastern Sheet Metal Llc Duct end portion
USD517679S1 (en) 2004-05-14 2006-03-21 Eastern Sheet Metal Llc Flanged ring
USD518885S1 (en) 2004-05-14 2006-04-11 Eastern Sheet Metal Llc Flanged ring
US20070123161A1 (en) * 2002-07-11 2007-05-31 Allan Pilger Boot hanger mounting bracket
USD646396S1 (en) * 2008-12-19 2011-10-04 Panasonic Electric Works Co., Ltd. Light irradiation facial apparatus
USD651655S1 (en) * 2009-04-01 2012-01-03 Amsa, Inc. Snap in panel assembly for a basket
USD741456S1 (en) * 2013-07-17 2015-10-20 Charlotte Pipe And Foundry Company Crimp-style coupling device for clamping together cast iron pipes, fittings and the like
USD755356S1 (en) * 2015-01-29 2016-05-03 Vaztec, Llc Seal
USD799657S1 (en) * 2016-05-12 2017-10-10 Briggs & Stratton Corporation Filter
USD915567S1 (en) * 2020-07-02 2021-04-06 Shenzhen Shenyuanxin Technology Co., Ltd. Seal strip
USD992096S1 (en) * 2020-02-03 2023-07-11 Professional Rental Tools, LLC Sealing gasket apparatus

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5129690A (en) 1988-06-10 1992-07-14 Ductmate Industries, Inc. Apparatus for connecting the ends of a pair of oval duct sections
GB2311031B (en) 1996-03-15 1998-06-17 Jeffrey Allen Hermanson Circular and oval flanged rings for connecting ducting and method of making

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5129690A (en) 1988-06-10 1992-07-14 Ductmate Industries, Inc. Apparatus for connecting the ends of a pair of oval duct sections
GB2311031B (en) 1996-03-15 1998-06-17 Jeffrey Allen Hermanson Circular and oval flanged rings for connecting ducting and method of making
US5983496A (en) 1996-03-15 1999-11-16 J.A. Hermanson Circular and oval flanged rings for connecting ducting and method of making

Non-Patent Citations (4)

* Cited by examiner, † Cited by third party
Title
AccuFlange: Round & Oval Duct Connection System, Accu Duct Mfg., product brochure, 1998, pp. 1-32.
Introduction to the Rectangular Duct Construction Schedules, HVAC Duct Construction Standards Metal and Flexible—2nd ed., SMAGNA Section 1.8 ff., pp. 1.12-1.43.
LindabRekt, Instruction manual, Lindab Nord AB, May 20, 1998, pp. 1-4.
Rektangulara kanalsystem, Lindab Rekt, product brochure 2000, pp. 1-8.

Cited By (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7140960B2 (en) 2002-07-11 2006-11-28 Applied Applications International, Inc. Boot hanger mounting bracket
US20050003754A1 (en) * 2002-07-11 2005-01-06 Allan Pilger Boot hanger mounting bracket
US7645189B2 (en) 2002-07-11 2010-01-12 Applied Applications International, Inc. Boot hanger mounting bracket
US20070123161A1 (en) * 2002-07-11 2007-05-31 Allan Pilger Boot hanger mounting bracket
USD475131S1 (en) 2002-08-05 2003-05-27 North West Heating & Sheet Metal Boot hanger mounting bracket
USD517679S1 (en) 2004-05-14 2006-03-21 Eastern Sheet Metal Llc Flanged ring
USD518885S1 (en) 2004-05-14 2006-04-11 Eastern Sheet Metal Llc Flanged ring
USD516698S1 (en) 2004-05-14 2006-03-07 Eastern Sheet Metal Llc Duct end portion
USD516697S1 (en) 2004-05-14 2006-03-07 Eastern Sheet Metal Llc Duct end portion
USD646396S1 (en) * 2008-12-19 2011-10-04 Panasonic Electric Works Co., Ltd. Light irradiation facial apparatus
USD651655S1 (en) * 2009-04-01 2012-01-03 Amsa, Inc. Snap in panel assembly for a basket
USD741456S1 (en) * 2013-07-17 2015-10-20 Charlotte Pipe And Foundry Company Crimp-style coupling device for clamping together cast iron pipes, fittings and the like
USD755356S1 (en) * 2015-01-29 2016-05-03 Vaztec, Llc Seal
USD799657S1 (en) * 2016-05-12 2017-10-10 Briggs & Stratton Corporation Filter
USD992096S1 (en) * 2020-02-03 2023-07-11 Professional Rental Tools, LLC Sealing gasket apparatus
USD915567S1 (en) * 2020-07-02 2021-04-06 Shenzhen Shenyuanxin Technology Co., Ltd. Seal strip

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