USD454949S1 - Coupling ring for ventilation ducts - Google Patents

Coupling ring for ventilation ducts Download PDF

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Publication number
USD454949S1
USD454949S1 US29/135,759 US13575901F USD454949S US D454949 S1 USD454949 S1 US D454949S1 US 13575901 F US13575901 F US 13575901F US D454949 S USD454949 S US D454949S
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
US29/135,759
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 US29/135,759 priority Critical patent/USD454949S1/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 USD454949S1 publication Critical patent/USD454949S1/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 with a rear three-lip element.
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, showing said rear element, section line VII—VII in FIG. 5.

Claims (1)

  1. The ornamental design for a coupling ring for ventilation ducts, as shown.
US29/135,759 2001-01-17 2001-01-17 Coupling ring for ventilation ducts Expired - Lifetime USD454949S1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
US29/135,759 USD454949S1 (en) 2001-01-17 2001-01-17 Coupling ring for ventilation ducts

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US29/135,759 USD454949S1 (en) 2001-01-17 2001-01-17 Coupling ring for ventilation ducts

Publications (1)

Publication Number Publication Date
USD454949S1 true USD454949S1 (en) 2002-03-26

Family

ID=22469527

Family Applications (1)

Application Number Title Priority Date Filing Date
US29/135,759 Expired - Lifetime USD454949S1 (en) 2001-01-17 2001-01-17 Coupling ring for ventilation ducts

Country Status (1)

Country Link
US (1) USD454949S1 (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20050003754A1 (en) * 2002-07-11 2005-01-06 Allan Pilger Boot hanger mounting bracket
US20070123161A1 (en) * 2002-07-11 2007-05-31 Allan Pilger Boot hanger mounting bracket
USD755356S1 (en) * 2015-01-29 2016-05-03 Vaztec, Llc Seal
USD799657S1 (en) * 2016-05-12 2017-10-10 Briggs & Stratton Corporation Filter

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 (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20050003754A1 (en) * 2002-07-11 2005-01-06 Allan Pilger Boot hanger mounting bracket
US7140960B2 (en) 2002-07-11 2006-11-28 Applied Applications International, Inc. Boot hanger mounting bracket
US20070123161A1 (en) * 2002-07-11 2007-05-31 Allan Pilger Boot hanger mounting bracket
US7645189B2 (en) 2002-07-11 2010-01-12 Applied Applications International, Inc. Boot hanger mounting bracket
USD755356S1 (en) * 2015-01-29 2016-05-03 Vaztec, Llc Seal
USD799657S1 (en) * 2016-05-12 2017-10-10 Briggs & Stratton Corporation Filter

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