US2123410A - Air duct - Google Patents

Air duct Download PDF

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Publication number
US2123410A
US2123410A US135875A US13587537A US2123410A US 2123410 A US2123410 A US 2123410A US 135875 A US135875 A US 135875A US 13587537 A US13587537 A US 13587537A US 2123410 A US2123410 A US 2123410A
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United States
Prior art keywords
air duct
member
web
boards
members
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Expired - Lifetime
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US135875A
Inventor
Charles W Fawcett
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Charles W Fawcett
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Application filed by Charles W Fawcett filed Critical Charles W Fawcett
Priority to US135875A priority Critical patent/US2123410A/en
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    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F13/00Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
    • F24F13/02Ducting arrangements
    • F24F13/0254Ducting arrangements characterised by their mounting means, e.g. supports
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F13/00Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
    • F24F13/02Ducting arrangements
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10STECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S138/00Pipes and tubular conduits
    • Y10S138/04Air conditioning

Description

C. W, FAWCETT l /fyl/NTOE: Planes NFAwcfr-f;

AIR DUCT Filed April 9, 1957 7... ffl/4,-

f PatentedJuiy 193s UNITED STATES P-T'EN T GFI-"ICEv lclaim.

My invention relates to a new and useful improvement in air ducts, and has for its object to vprovide a simple, inexpensive, and highly satisfactory medium for attaching' `together the plaster board members of the air duct so that a continuous duct is provided through which a column of air may flow from one point to another. Such air ducts are usually rectangular in cross-section, and may consist of two, three, 10 or four walls of plaster board, the lother wall or walls being formed by the partition wall or the ceiling of the building in which the air duct is located. My invention is equally applicable where plaster board 1s employed in any or all such walls. v Another object is to provide a simple means -ior securing the air duct to the wail or ceiling Where the Wallor ceiling, or both, comprise one or more of 'the walls o the duct. By my ar rangement a lightweight air duct structurels formed, and one which can be easily and eco. nomicaily constructed.

Fig. l is a perspective view of a length of T iron with saw cuts therein at the bending points, fromV which I form my joining member.

l Fig. 2 is a perspective view of a length of T iron bent to form a joining member.

Fig. 3 is a. side elevation of a length of air duct. partly in section, with my improved joining members in place.'

Fig. 4 is a cross-sectional view through an air duct, taken on line ll-l, Fig. 3, lookingdn the directional the arrows. l

5 is an enlarged fragmentary detailed View, partly in section, taken on the line .fio-Fig. 3, looking in the direction of the arrows.

Fig. 6 is a rcrom-sectional view taken through an air duct where two of the walls thereof are plaster board, one is a side or partition wall and one is the ceiling Vof the building, two methods oi securing the air duct to the wall and ceiling being illustrated. l

In the drawing. the air duct A is shown in con` venticnal form and may consist of a passagway formed oi four sides of plaster board, as illustrated in Fig. 3,7or it may be formed of two sides'ot plaster board withthe B servlng as one side 'of said way and a .partition .wail C as another side. Also. there could f 'formed by either the ceiling or the" partition wall.

such v m 1- :v lMy inventionV particularly relates to the manli ner of joining togetherand supporting the plasbe three sides of plaster board and one side arrangement being well understood in theV ter boards at their ends. `I preferably employ a material known as gypsum-boards, which are universally sold in commercial practice. I have designated these gypsum boards by the letter D in the drawing. These gypsum boards are .of any usual lengths such as are marketed commercially, and they are adapted vto have plastering normally applied thereto.

In Fig. 1 I show a length of T iron i, in the web member 2 of which I have placed saw cuts 3 which extend through said member to the ilange member 4. "I'hese cutsv 3 are placed at the point where the T iron I is to be bent. In Fig. 2 I have shown the T iron i in bent VAposition to illustrate how the web member 2 appears after the bending operation is completed. The web sections i serve as division members between the ends of the gypsum boards D. In these web sections i I provide perforations 5 to re` ceive nails t, which have enlarged heads l. for a purpose to'be described.

In the structure illustrated in Fig. 3 the gypsum boards D have a surface adapted to receive plas- L ter which adheres tenaciously thereto. T'hese gypsum Aboards are of suitable lengths and are cut straight across at their ends. en the gypsum boards are to be assembled to form an air duct unit such as is illustrated in Fig. il,` the top and bottom boards extend across the side boards 'so that nails 8 may be driven through the top and bottom boards into the edges oi the side boards, and thereby hold said structure thus formed in a compact, rectangular form. The ends of the4 gypsum boards D .are then passed over the Bange member I and abut against the web member 2.V The nails 6 are then inserted through the perforations 5 in the web members 2 and may be driven through said perforations suilcientlif to cause the heads 1 of said nails 8 to gouge through the surface ofthe vgypsum lboards D. By. this means a gripping action on the boards D is obtained by the nails This action is clearly shown in the enlarged detail` view of 5.

' The nails 6 are shown in Fig.'3 with heads 'l alternating along the web member 2 with the,

points offsaid nails so as to force the wall niem-l bers D into close contact with the flange l and Y web 2 of the joining member E. l

Any appropriate means for supporting the duct shown in Fig. 3 may be employed, auch as rope or chain hangers or brackets. IV have illustrated two methods ofsupport in Fig. 6. In the upper. or ceiIingstruotureQB-I have employed an anchor 9 placed-in said `ain-aanzet Il on the join# 55 ing member E,k and a bolt orscrew H adapted to secure an upper corner of the duct A to said ceiling. At the lower right-hand side of said drawing in Fig. 6 I haveillustrated a plug I2 adapted to be placed in the partition wall C and appropriately secured to the duct A by wire loops I3.

The T iron supporting member E is highly effective for the purpose for which I employ it, and

reducesthe cost of constructing air ducts of this type considerably, both in labor and material. When plastered these air ducts present a pleasing appearance and are very emcient in operation.

I claim: j l A joint for an air duct, formed of individual wall members, comprising a' joining metal member of the shape having a web and a ange member, said flange memberv supporting the lends of said individual wall members and which ends abut against the web members, said web member being perforated to receive nails each having 'a head and a point for holding said wall members in contact with said web and flange members, said nails being passed through said perforations with heads and points alternating about said joint, said web members being cut transversely at intervals so said ange members can be bent at said cut portions.

CHARLES W. FAWCE'II'.

US135875A 1937-04-09 1937-04-09 Air duct Expired - Lifetime US2123410A (en)

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Application Number Priority Date Filing Date Title
US135875A US2123410A (en) 1937-04-09 1937-04-09 Air duct

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US2123410A true US2123410A (en) 1938-07-12

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Cited By (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3001805A (en) * 1957-11-18 1961-09-26 Coleman Co Duct connector
US3702044A (en) * 1970-11-18 1972-11-07 United States Gypsum Co Cavity shaft wall
US3707818A (en) * 1970-11-20 1973-01-02 United States Gypsum Co Shaft cavity wall and stud
US3827202A (en) * 1972-11-07 1974-08-06 Sterling Radiator Co Inc Joint for enclosure, and mounting therefor
US5217406A (en) * 1992-03-17 1993-06-08 Peabody Coal Company Mine ventilation tubing system and method of installation
US6364374B1 (en) * 1999-10-27 2002-04-02 Michael J. Noone Methods and devices for joining panels
US7104104B1 (en) * 2002-02-01 2006-09-12 Jeffrey Allen Hermanson Rectangular and square ducting systems
US20080134745A1 (en) * 2002-02-01 2008-06-12 Jeffrey Allen Hermanson Rectangular/square spiral ducting systems with flange connectors
US20110121569A1 (en) * 2009-11-24 2011-05-26 Jeffrey Allen Hermanson Standing seam connectors for ducting
US9200729B2 (en) 2013-05-24 2015-12-01 Paul E. HOBBS Combination hanger and reinforcement bracket
US10539337B2 (en) 2009-11-24 2020-01-21 Jeffrey Allen Hermanson Sealed and/or reinforced flanged ring connector for single- and double-wall HVAC ducting

Cited By (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3001805A (en) * 1957-11-18 1961-09-26 Coleman Co Duct connector
US3702044A (en) * 1970-11-18 1972-11-07 United States Gypsum Co Cavity shaft wall
US3707818A (en) * 1970-11-20 1973-01-02 United States Gypsum Co Shaft cavity wall and stud
US3827202A (en) * 1972-11-07 1974-08-06 Sterling Radiator Co Inc Joint for enclosure, and mounting therefor
US5217406A (en) * 1992-03-17 1993-06-08 Peabody Coal Company Mine ventilation tubing system and method of installation
US6364374B1 (en) * 1999-10-27 2002-04-02 Michael J. Noone Methods and devices for joining panels
US9101969B2 (en) 2002-02-01 2015-08-11 Jeffrey Allen Hermanson Rectangular/square spiral ducting systems with flange connectors
US7104104B1 (en) * 2002-02-01 2006-09-12 Jeffrey Allen Hermanson Rectangular and square ducting systems
US20080134745A1 (en) * 2002-02-01 2008-06-12 Jeffrey Allen Hermanson Rectangular/square spiral ducting systems with flange connectors
US7743504B1 (en) 2003-02-03 2010-06-29 Jeffrey Allen Hermanson Rectangular and square ducting systems
US20110121569A1 (en) * 2009-11-24 2011-05-26 Jeffrey Allen Hermanson Standing seam connectors for ducting
US9061342B2 (en) 2009-11-24 2015-06-23 Jeffrey Allen Hermanson Standing seam connectors for ducting
US10539337B2 (en) 2009-11-24 2020-01-21 Jeffrey Allen Hermanson Sealed and/or reinforced flanged ring connector for single- and double-wall HVAC ducting
US9200729B2 (en) 2013-05-24 2015-12-01 Paul E. HOBBS Combination hanger and reinforcement bracket

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