US3230676A - Post-tensioned construction frame - Google Patents

Post-tensioned construction frame Download PDF

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US3230676A
US3230676A US242153A US24215362A US3230676A US 3230676 A US3230676 A US 3230676A US 242153 A US242153 A US 242153A US 24215362 A US24215362 A US 24215362A US 3230676 A US3230676 A US 3230676A
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sill
members
header
frame
rods
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Expired - Lifetime
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US242153A
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Dixon Glover
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FEATHERTOUCH CONCRETE PRODUCTS Inc
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FEATHERTOUCH CONCRETE PRODUCTS Inc
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    • EFIXED CONSTRUCTIONS
    • E06DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
    • E06BFIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
    • E06B1/00Border constructions of openings in walls, floors, or ceilings; Frames to be rigidly mounted in such openings
    • E06B1/04Frames for doors, windows, or the like to be fixed in openings
    • E06B1/24Frames of natural stone, concrete, or other stone-like material

Description

Jan. 25, 1966 s. DIXON POST-TENSIONED CONSTRUCTION FRAME Filed Dec. 4, 1962 45 Fig}! 35 6/0 we! Dixon INVENTOR.
United States Patent 3,230,676 POST-TENSEONED CUNSTRUCTION FRAME Glover Dixon, Miami, Fla, assiguor to Feathertouch Concrete Products, Inc., a corporation of Florida Filed Dec. 4, 1962, Ser. No. 242,153 2 Claims. (Cl. 52204) The present invention generally relates to a construction frame of concrete capable of being used with various building openings such as window, door, air-conditioner frame or any other openings requiring a frame.
It is an object of the present invention to provide a construction frame of concrete which is manufactured and transported while in its knocked down condition and assembled at the site of construction with the concrete components of the frame being post-tensioned.
Another very important object of the present invention is to provide a construction frame of lightweight concrete of various commercially available types in which various aggregates, such as pearlite, may be used which enables nails to be more readily driven into the frame when desired.
Another object of the present invention is to provide a lightweight concrete construction frame which may be used either indoors or outdoors and, of course, avoids rotting which occurs when wood frames are used. Further, the frame is rigid but since no weight is directly applied thereto, the frame need not be particularly structurally strong.
Yet another important feature of the present invention is to provide a concrete construction frame including a bottom sill member, a top header and two side members or jambs in which the sill and header butt into the side members or jambs rather than just resting thereon.
Still another important feature of the present invention is to provide a concrete construction frame constructed of lightweight concrete and including reinforcing rods in each component thereof with the reinforcing rods in the sill and header having threaded ends and projecting through suitable metallic or plastic sleeves in the side members for enabling the components of the frame to be rigidly secured together with enough tension to hold the frame rigid. The openings which receive the threaded ends of the reinforcing rods on the header and sill are oval-shaped for assisting in aligning and plumbing the components with relation to each other.
Yet another feature of the present invention is to provide a concrete construction frame in which the threaded nuts engaging the ends of the reinforcing rods are recessed into pockets formed in the outer surface of the side members. Also, the side members are provided with brick ties orientated in a particular spatial relationship for reception in the mortar joints between adjacent courses of building blocks such as bricks or the like.
Still another important feature of the present invention is to provide a construction frame of concrete having a sill of particular configuration enabling tile or other covering material to be readily applied to the interior thereof.
Another patricular feature of the invention is the provision of a lightweight construction frame that is manufactured and transported in its knockdown condition and is quickly and easily assembled at the point of intsallation for providing a rigid frame of lightweight construction that is relatively easy to install and relatively inexpensive to manufacture.
These together with other objects and advantages which will become subsequently apparent reside in the details of construction and operation as more fully hereinafter described and claimed, reference being had to the accom- 3,2357% Patented Jan. 25, 1966 panying drawings forming a part hereof, wherein like numerals refer to like parts throughout, and in which:
FIGURE 1 is an elevational view of the frame of the present invention installed in an opening in a building Wall;
FIGURE 2 is a vertical sectional view illustraing the construction of the frame;
FIGURE 3 is an exploded perspective view illustrating the relationship of the components of the frame; and
FIGURE 4 is a detailed sectional View on an enlarged scale taken substantially upon a plane passing along section line 4-4 of FIGURE 1 illustrating the structural details of the sill of the frame.
Referring now specifically to the drawings, the numeral 10 generally designates the construction frame of the present invention which is illustrated as being installed in an opening in a building wall 12 constructed of a plurality of courses of building blocks such as bricks 14 or the like which are joined together by a conventional mortar joint 16.
The construction frame it includes a header 18, a sill 20 and a pair of side members or jambs 22 which are interconnected to form a rigid open frame for Windows, doors, air conditioners or the like.
All of the components of the construction frame are constructed of a lightweight concrete. Various aggregates may be employed in conjunction with the lightweight concrete depending upon the use of the frame. For example, pearlite may be used as an aggregate and with such aggregate, nails or other fastening devices may be readily inserted into the frame when desired.
The header 18 is generally rectangular in cross-sectional configuration but is provided with a depending longitudinal projection 24 on the underside thereof. A pair of elongated reinforcing rods 26 are embedded in the header 18 adjacent the vertical center thereof and spaced on either side of the lateral center. The ends of the reinforcing rod 26 project beyond the ends of the header 18 and each of the rods 26 is provided with a threaded end portion designated by numeral 28 for receiving a retaining nut 3d thereon.
The sill 20 is also of generally rectangular configuration and is provided with an upwardly extending projection 32 extending throughout the length of upper surface thereof. The upper surface ofthe sill disposed outwardly of the longitudinal projection 32 is downwardly inclined as designated by numeral 34 whereby any rain or water engaging this surface will run downwardly and off of the sill in a conventional manner for frames employed in conjunction with windows, doors and the like. The sill 20 is provided with a pair of reinforcing rods 36 embedded therein which extend beyond the ends of the sill 20 and terminate in threaded end portions 38 for receiving retaining nuts 40 thereon.
Each of the side members or jambs 22 is also generally rectangular in cross-sectional configuration and provided with a longitudinal projection 42 on the inner surface thereof with the ends of the projection 42 being spaced inwardly of the ends of the side members 22 a distance equal to the height of the header and sill and the projections 24 and 32 thereon respectively thereby enabling the ends of the header 18 and sill 2t) to butt against the inner surface of the side members 22. Each of the side members 22 has longitudinal reinforcing rods 44 embedded therein and also transverse or lateral reinforcing rods 46 in the end portions thereof.
The side members 22 include openings 48 extending through each end portion thereof for receiving the threaded end portions 28 and 38 of the reinforcing rods 26 and 36 respectively. Each opening 48 is defined by a sleeve 50 of metallic or plastic material and the opening communicates with a recess or pocket 52 at the outer end thereof which is of sufficient depth to receive the retaining nuts 30 and 40 respectively. The opening 48 and the sleeve 50 in each instance is oval-shaped in configuration as illustrated in FIGURES 3 and 4 for self-centering or ,plumbing the components of the frame when they are assembled. As illustrated in FIGURE 2, the ends of the header 18 and sill 20 butt against the inner surface of the side members 22 and the retaining nuts 30 and 40 are tightened sufficiently to hold the frame components in rigid relation to each other and this also will post-tension the sill and header by compressing the same to a slight.
degree. The butt engagement of the ends of the sill and header against the inner surface of the side members will rigidify the frame and retain the components thereof in perpendicular relation to each other. Recessing the retaining nuts and the threaded ends of the reinforcing rods enables the external surface of the frame to be maintained in a smooth condition insofar as projections of a rigid nature are concerned. Also, the transverse reinforcing rods 4-6 are orientated immediately above the opening 48 where the side members would be the weakest structurally thereby reinforcing this area where the greatest stress is applied in view of the location of the tensioning rods 26 and 36.
Brick ties 54 are provided in the side members with the inner ends of the brick ties having an offset end portion 56 embedded in the concrete of the side members 22. The free end portion of the brick ties 54 are corrugated or undulated for reception in the mortar joint 16 in the manner illustrated in FIGURE 1. The brick ties may be orientated at predetermined space relationships for association with different types of building blocks whereby the ties will be aligned with and received in the masonry joint between adjacent courses of such blocks.
The inner top surface of the sill 20 is fiat and provides a support for mastic and tile so that the application of tile to the frame is easily completed. This eliminates the extensive bed normally provided on the sill for supporting tile.
Also, when installing the frame there is no requirement to pour concrete around the frame in order to secure the frame in the building opening. In fact, the frame is assembled in the building wall prior to completion of the wall thus actually building the wall around the frame as illustrated in FIGURE 1.
The foregoing is considered as illustrative only of the principles of the invention. Further, since numerous modifications and changes will readily occur to those skilled in the art, it is not desired to limit the invention to the exact construction and operation shownand described, and accordingly all suitable modifications and equivalents may be resorted to, falling within the scope of the invention as claimed.
What is claimed as new is as follows:
1. A construction frame comprising a pair of generally parallel side members, a sill and header all constructed of cementitious material, the ends of said sill and header being butted against the inner surface of the side members adjacent the ends thereof, each end of the sill and each end of the header having a projecting threaded rod extending axially therefrom, each side member having openings formed therein adjacent the ends thereof receiving the projecting rods, said openings in said side members being of oval-shaped configuration and provided With an ovalshaped sleeve for self-centering of the rods, the diameter of the rods being less than any diameter of said ovalshaped openings, and a retaining nut on the threaded end of each projecting rod securing the side members and the sill and header in rigid assembled relation, each of said side members having a longitudinal projection on the inner surface thereof, said longitudinal projection being disposed intermediate the front and back surfaces of the side members, said longitudinal projections terminating in spaced relation to said openings adjacent the ends of the side members, the sill and header each having a longitudinal projection on the inner surface thereof terminating flush with the ends thereof and butting against said inner surfaces of the side members, each said longitudinal projection on said sill and header being disposed intermediate the front and back surfaces thereof and having an inner edge surface spaced from said sill and header inner surface, the distance from the ends of the projection on said side members to the nearest wall portion defining a part of an adjacent'opening being no greater than the distance from said inner edge surface of the longitudinal projection on said sill and header to the nearest surfaces of the rods projecting from the ends thereof, the ends of the projections on the side members abutting against the inner edge surface of the projections on the sill and header, thereby rigidifying the frame in perpendicular planes.
2. The structure defined in claim 1 wherein said side members are each provided with a plurality, of brick ties embedded therein and extending laterally therefrom.
References Cited by the Examiner UNITED STATES PATENTS 1,646,312 10/1927 Perkins et a1 50122 X 1,985,328 12/1934 Rutten 50119 X 2,052,842 9/1936 Powell 50-121 X 3,057,118 10/1962 Letowsky 50121 FOREIGN PATENTS 57,229 10/ 1952 France.
(3rd add. to Pat. No. 907,704) 817,198 10/ 1951 Germany. 105,924 4/ 1918 Great Britain. 589,745 6/ 1947 Great Britain. 111,556 8/ 1944 Sweden.
FRANK L. ABBOTT, Primary Examiner.
JACOB L. NACKENOFF, HENRY C. SUTHERLAND,
Examiners.

Claims (1)

1. A CONSTRUCTION FRAME COMPRISING A PAIR OF GENERALLY PARALLEL SIDE MEMBERS, A SILL AND HEATER ALL CONSTRUCTED OF CEMENTITIOUS MATERIAL, THE ENDS OF SAID SILL AND HEADER BEING BUTTED AGAINST THE INNER SURFACE OF THE SIDE MEMBER ADJACENT THE ENDS THEREOF, EACH END OF THE SILL AND EACH END OF THE HEADER HAVING A PROJECTING THREADED ROD EXTENDING AXIALLY THEREFROM, EACH SIDE MEMBER HAVING OPENINGS FORMED THEREIN ADJACENT THE ENDS THEREOF RECEIVING THE PROJECTING RODS, SAID OPENINGS IN SAID SIDE MEMBERS BEING OF OVAL-SHAPED CONFIGURATION AND PROVIDED WITH AN OVALSHAPED SLEEVE FOR SELF-CENTERING OF THE RODS, THE DIAMETER OF THE RODS BEING LESS THAN ANY DIAMETER OF SAID OVALSHAPED OPENINGS, AND A RETAINING NUT ON THE THREADED END OF EACH PROJECTING ROD SECURING THE SIDE MEMBERS AND THE SILL AND HEADER IN RIGID ASSEMBLED RELATION, EACH OF SAID SIDE MEMBERS HAVING A LONGITUDINAL PROJECTION ON THE INNER SURFACE THEREOF, SAID LONGITUDINAL PROJECTION ON THE DISPOSED INTERMEDIATE THE FRONT AND BACK SURFACES OF THE SIDE MEMBERS, SAID LONGITUDINAL PROJECTIONS TERMINATING IN SPACED RELATION TO SAID OPENINGS ADJACENT THE ENDS OF THE SIDE MEMBERS, THE SILL AND HEADER EACH HAVING A LONGITUDINAL PROJECTION ON THE INNER SURFACE THEREOF TERMINATING FLUSH WITH THE ENDS THEREOF AND BUTTING AGAINST SAID INNER SURFACE OF THE SIDE MEMBERS, EACH SAID LONGITUDINAL PROJECTION ON SAID SILL AND HEADER BEING DIPSOSED INTERMEDIATE THE FRONT AND BACK SURFACES THEREOF AND HAVING AN INNER EDGE SURFACE SPACED FROM SAID SILL HEADER INNER SURFACE, THE DISTANCE FROM THE ENDS OF THE PROJECTIONS ON SAID SIDE MEMBERS TO THE NEAREST WALL PORTION DEFINING A PART OF AN ADJACENT OPENING BEING NO GRETER THAN THE DISTANCE FROM SAID INNER EDGE SURFACE OF THE LONGUTUDINAL PROJECTION ON SAID SILL AND HEADER TO THE NEAREST SURFACES OF THE RODS PROJECTION FROM THE ENDS THEREOF, THE ENDS OF THE PROJECTIONS ON THE SIDE MEMBERS ABUTTING AGAINST THE INNER EDGE SURFACE OF THE PROJECTIONS ON THE SILL AND HEADER, THEREBY RIGIDIFYING THE FRAME IN PERPENDICULAR PLANES.
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Cited By (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3328930A (en) * 1965-05-05 1967-07-04 Francis E Knipper Window frame construction
US3465485A (en) * 1968-02-21 1969-09-09 Francis E Knipper Window frame assembly
FR2399528A1 (en) * 1977-08-02 1979-03-02 Barrois Jean Sectional frame lining for window opening - has prefabricated lintel sill and posts joined by bolts in embedded sleeves and may be of concrete
FR2560920A1 (en) * 1984-03-12 1985-09-13 Dugelay Jean PREFABRICATED TABLE FOR EQUIPMENT OF BUILDING OPENINGS
US5591286A (en) * 1992-04-08 1997-01-07 Kajima Corporation Method of making window frame for concrete wall panel
US5653074A (en) * 1993-06-29 1997-08-05 Yoon; Suk Kyu Doorframe
DE19846377A1 (en) * 1998-10-08 2000-04-20 Pax Gmbh Method of producing ready-made concrete walls involves inserting shuttering before casting, leaving window or door apertures free, with anchoring attachments
US20060248823A1 (en) * 2005-05-05 2006-11-09 Bollinger Stephen R Window subassembly for use with insulated concrete forms
US20090205272A1 (en) * 2008-02-15 2009-08-20 John Rosende Window Buck
US20110214370A1 (en) * 2010-03-08 2011-09-08 Cooper Edward Stewart Internally aligned insulating window and door buck
US20140059954A1 (en) * 2012-08-31 2014-03-06 Patrick Watson Door Buck
US8752345B1 (en) * 2004-06-07 2014-06-17 Athas N. Kometas Apparatus and method for framing windows and doors
US8931220B2 (en) * 2011-11-14 2015-01-13 Gorilla Buck Inc. Insulating ICF window buck with integrated fastening and anchors
US9109360B2 (en) * 2011-11-14 2015-08-18 Gorilla Buck Inc. Insulating fire and blast resistant window and door buck

Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB105924A (en) * 1917-04-25 1918-04-25 Armand Ducret Improved Framing of Reinforced Concrete for Door and Window Openings, and the like.
US1646312A (en) * 1926-09-24 1927-10-18 Perkins L B Choc Tile lock
US1985328A (en) * 1933-02-01 1934-12-25 Rutten Peter Building unit and structure
US2052842A (en) * 1932-06-29 1936-09-01 Edward R Powell Expanded masonry
FR907704A (en) * 1944-11-09 1946-03-20 Cross Block
GB589745A (en) * 1945-03-29 1947-06-27 George Kendrick Findlay Improvements in means for fixing window heads in buildings
DE817198C (en) * 1948-12-28 1951-10-15 Wilhelm Kaempgen Building block and building block group
FR57229E (en) * 1947-07-21 1952-12-23 Cross Block
US3057118A (en) * 1957-10-21 1962-10-09 Letowsky Manuel Self-aligning precast window frame

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB105924A (en) * 1917-04-25 1918-04-25 Armand Ducret Improved Framing of Reinforced Concrete for Door and Window Openings, and the like.
US1646312A (en) * 1926-09-24 1927-10-18 Perkins L B Choc Tile lock
US2052842A (en) * 1932-06-29 1936-09-01 Edward R Powell Expanded masonry
US1985328A (en) * 1933-02-01 1934-12-25 Rutten Peter Building unit and structure
FR907704A (en) * 1944-11-09 1946-03-20 Cross Block
GB589745A (en) * 1945-03-29 1947-06-27 George Kendrick Findlay Improvements in means for fixing window heads in buildings
FR57229E (en) * 1947-07-21 1952-12-23 Cross Block
DE817198C (en) * 1948-12-28 1951-10-15 Wilhelm Kaempgen Building block and building block group
US3057118A (en) * 1957-10-21 1962-10-09 Letowsky Manuel Self-aligning precast window frame

Cited By (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3328930A (en) * 1965-05-05 1967-07-04 Francis E Knipper Window frame construction
US3465485A (en) * 1968-02-21 1969-09-09 Francis E Knipper Window frame assembly
FR2399528A1 (en) * 1977-08-02 1979-03-02 Barrois Jean Sectional frame lining for window opening - has prefabricated lintel sill and posts joined by bolts in embedded sleeves and may be of concrete
FR2560920A1 (en) * 1984-03-12 1985-09-13 Dugelay Jean PREFABRICATED TABLE FOR EQUIPMENT OF BUILDING OPENINGS
EP0155220A3 (en) * 1984-03-12 1986-01-02 DUGELAY, Jean Prefabricated frame for the equipment of building openings
EP0155220A2 (en) * 1984-03-12 1985-09-18 DUGELAY, Jean Prefabricated frame for the equipment of building openings
US5591286A (en) * 1992-04-08 1997-01-07 Kajima Corporation Method of making window frame for concrete wall panel
US5653074A (en) * 1993-06-29 1997-08-05 Yoon; Suk Kyu Doorframe
DE19846377A1 (en) * 1998-10-08 2000-04-20 Pax Gmbh Method of producing ready-made concrete walls involves inserting shuttering before casting, leaving window or door apertures free, with anchoring attachments
DE19846377B4 (en) * 1998-10-08 2004-12-02 Pax Gmbh I.K. Process for manufacturing prefabricated concrete walls and frame-like, self-contained frame
US8752345B1 (en) * 2004-06-07 2014-06-17 Athas N. Kometas Apparatus and method for framing windows and doors
US20060248823A1 (en) * 2005-05-05 2006-11-09 Bollinger Stephen R Window subassembly for use with insulated concrete forms
US20090205272A1 (en) * 2008-02-15 2009-08-20 John Rosende Window Buck
US20110214370A1 (en) * 2010-03-08 2011-09-08 Cooper Edward Stewart Internally aligned insulating window and door buck
US9016011B2 (en) 2010-03-08 2015-04-28 Gorilla Buck Inc. Internally aligned insulating window and door buck
US8931220B2 (en) * 2011-11-14 2015-01-13 Gorilla Buck Inc. Insulating ICF window buck with integrated fastening and anchors
US9109360B2 (en) * 2011-11-14 2015-08-18 Gorilla Buck Inc. Insulating fire and blast resistant window and door buck
US20140059954A1 (en) * 2012-08-31 2014-03-06 Patrick Watson Door Buck
US20160130857A1 (en) * 2012-08-31 2016-05-12 Patrick Watson Door Buck
US9464474B2 (en) * 2012-08-31 2016-10-11 Patrick Watson Door buck
US9611687B2 (en) * 2012-08-31 2017-04-04 Patrick Watson Door buck

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