US3213980A - Frame for building openings - Google Patents

Frame for building openings Download PDF

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Publication number
US3213980A
US3213980A US249477A US24947763A US3213980A US 3213980 A US3213980 A US 3213980A US 249477 A US249477 A US 249477A US 24947763 A US24947763 A US 24947763A US 3213980 A US3213980 A US 3213980A
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frame
flange
sealing strip
channel
groove
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US249477A
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Persson Sven Eric
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    • E—FIXED CONSTRUCTIONS
    • E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
    • E06B—FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
    • E06B1/00—Border constructions of openings in walls, floors, or ceilings; Frames to be rigidly mounted in such openings
    • E06B1/04—Frames for doors, windows, or the like to be fixed in openings
    • E06B1/12—Metal frames
    • E06B1/18—Metal frames composed of several parts with respect to the cross-section of the frame itself
    • E—FIXED CONSTRUCTIONS
    • E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
    • E06B—FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
    • E06B1/00—Border constructions of openings in walls, floors, or ceilings; Frames to be rigidly mounted in such openings
    • E06B1/56—Fastening frames to the border of openings or to similar contiguous frames
    • E06B1/60—Fastening frames to the border of openings or to similar contiguous frames by mechanical means, e.g. anchoring means
    • E06B1/6015—Anchoring means
    • E—FIXED CONSTRUCTIONS
    • E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
    • E06B—FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
    • E06B3/00—Window sashes, door leaves, or like elements for closing wall or like openings; Layout of fixed or moving closures, e.g. windows in wall or like openings; Features of rigidly-mounted outer frames relating to the mounting of wing frames
    • E06B3/04—Wing frames not characterised by the manner of movement
    • E06B3/263—Frames with special provision for insulation
    • E06B3/273—Frames with special provision for insulation with prefabricated insulating elements held in position by deformation of portions of the metal frame members
    • Y—GENERAL 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
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S49/00—Movable or removable closures
    • Y10S49/01—Thermal breaks for frames

Definitions

  • the present invention relates to metal frames for windows, doors and other openings in buildings and more particularly is 'directed to such frames constructed of extruded or formed metal sections connected together with insulation therebetween.
  • An object ot the present invention is therefore to provide metal trames formed of rigidly connected outer and inner frame portions with interposed insulation for use in construction purposes in which doors or sashes are to be mounted.
  • Another object ofthe present invention is to provide rigid'lyconnected outer and inner frame port-ions with insulation .at the point of connection therebetween 4as well as betweenthe trarne porti-ons and the sash or door member.
  • a -further object of the present invention is to provide 'metal frames composed of inner and outer portions Wherein one of the frame portions has a U-shaped groove forming portion into which a flange of the other trame porti-on is inserted with insulation therebetween, land the U-shaped portion is compressed to -grip the straight portion Iand the interposed insulation to provide an effective insulated rigid connection between the trame portions.
  • a still :further object of the present invention is to provide ra rigid insulated connection between portions of a frame member wherein ribs are provided on cooperating ange and .groove members.
  • An additional object of the present invention is to provide a novel mounting of a IJframe of a window or door to the wall of a building.
  • FIGURE '1 is la perspective vie-w showing a window sash mounted in a frame disposed in a building; .and
  • FIG. 2 is a section taken along the lin-es I-I-II of FIG. 1.
  • FIG. 1 there is shown a window structure i1 including a frame 2 and a sash 3 carrying the lwindow pane 4 mounted in an -opening of wall 5.
  • the sash 3 can be made Iof an inner portion 3a and an outer portion 3b each provided with a window pane 4 as shown in FIG. 2 and in prior U.S. Patents (Nos. 2,694,841; 2,838,109; 2,845,1116 and 2,975,492.
  • the window panes 4 are mounted in sash portions 13a and 3b by means of :gaskets -or sealing strips 7.
  • the fra-me 2 consists of an inner frame portion v8 and an outer ⁇ frame portion 9.
  • rIIhe trame porti-ons l8 and 9 are generally made from metal and preferably from extruded or for-med metal such .as aluminum or steel or an alloy thereof.
  • Inner trame portion l8 comprises a U-shaped channel portion ⁇ 11, a U-shaped portion 1112 and a stra-ight ilangedike portion '16.
  • the U-shaped channel portion 11 has depressions 14 into which legs llS of an anchor 16 fit.
  • 'Ilhe anchor 116 3,213,980 Patented Oct. 26, 1965 lCC has yanother lleg 1.7 bolted into the interior section -18 of wall S by lmeans of anchor bolt 19.
  • 112 has a leg 12' which abuts against the covering material over the interior Wall 18 :such as plaster, dry wall etc., while leg 12 serves as an ab-utment .against which anchor 16 abuts for lending strength and rigidity thereto.
  • Leg :12 is also la common leg :between yU-shaped portion 12 and U-shaped channel portion r11.
  • Straight llange portion 13 extends trom U-shaped channel portion 111 at substantially right angles to leg *11' thereof. Teeth or ribs 13 and l13 project from both sides of straight ange portion 13 and are spaced from eachother.
  • Outer frame portion 9 has a substantially U-shaped locking portion 20 of which the flange-like legs 20 and l20" have inwardly directed ribs or teeth 21 spaced from each other.
  • the ribs or teeth 21 are intermediate-1y spaced with respect to the ribs or teeth i13 of straight -ange portion 13 of the inner tra-me portion i8.
  • the fiangealike leg 20" of U-shaped :locking portion l20 is normally disposed as shown in broken lines before outer frame portion 9 is rigidly connected to inner trame portion 8.
  • Ilhe connection betweenthe two frame portions is so rigid that extremely large forces are necessary to separate the two portions once they are interconnected.
  • leg 20' At the inner edge of leg 20', Ithere is integral therewith a section 23 having a groove 24 therein. Groove 24 lhas a gasket or .sealing strip 25 disposed therein.
  • Outer 4trarne portion 9 has a -ange-'like leg v26 which extends toward the exterior section 27 of wa'll 5 and caulking compound is disposed therebetween at 28 to rform a tight seal.
  • a stop member 30 of IU-shaped or channel cross section has flanges SI1 and 32 which engage against abutments 29.
  • Channel member 30 is iheld in place against web
  • Flange 32 has .grooves 33 therein which receive the edges of a sealing strip -or Igasket member 34.
  • sealing strip 25 abuts -against sealing strip 34, and section 23 has a wide-r flange-like leg ⁇ 3:5 abutting against sealing member 34.
  • ⁇ Inner portion 3a of sash 3 has a straight flange 36 on the outer periphery thereof serving as means to engage and cooperate with stop member 30 of the frame.
  • Ribs 37 a-re disposed on each side of straight -flange 36 and are provided with teethdike projections 38.
  • a sealing strip 39 having a U-s-haped cross section embraces llange 36 and has its free edges positioned between tange B6 and members 37 with the projections 38 of the, members 37 engaging and gripping and securely clamping sealing strip 39.
  • Sealing strip 39 abuts against sealing strip 34, and against a projecting ilange 30 of stop member 30.
  • the material forming the insulation or thermal-break between the inner and outer iframe portions l8 .and ⁇ 9 is a material with a l-ow conductance such as vinyl, neoprene, rubber, Hypallon ⁇ or other plastic and synthetic materials.
  • the .sealing strips or gaskets yare ormed of a flexible material such ⁇ as soft vinyl, neoprene, rubber, -or sponge material such ⁇ as sponge neoprene.
  • the present invention comp-rises Ia rigid, strong and insulated connection between frame portions of .a Erame member in which a door Ior sash is to be mounted, effective insulation between the lframe member :and the sash 'or door member and Ia mounting o'f the frame member to the wall of a building.
  • a frame member for an openin-g in ⁇ a Wall of a building comprising .an inner frame portion 'and lan router frame portion, cooperating connecting means on each portion for providing a rigid and strong interconnection between said portions, said connecting means comprising .a lflange on one frame portion, a channel member on the other frame portion, said llange extending into said channel member, heat-insulating material lbetween said tlange and said channel member, a sealing member carried by said channel member, a sealing strip carried by said one Iframe porti-on, said sealing member and said sealing strip :both being of readily deformable material and being pressed against each other in :abutting and sealing relationship, a closure member mounted in .said frame member, a peripheral flange on said closure member, a seai ing member embracing said peripheral flange, said ernbracing sealing member being of readily deformable material and being pressed aga-inst said sealing strip in sealing relationship when the closure member is in closed position, said channel
  • a frame member for an opening in a wall of Ia building comprising a forward frame portion and a rear frame portion, a llange on one of said frame portions, :a channel member on the other 'of said Eframe portions, said flange extending into said channel member, -a readily deformable sealing strip carried by said one frame portion, a groove in said ⁇ other frame por-tion confronting said sealing strip, :and read-ily deformable heat-insulating material disposed 4in said channel on both sides of said flange and g in said groove and pressed into resilient contact with said sealing strip, said heat-insulating material comprising an integral piece of material extend-ing :about said flange and int-o said :gro-ove.
  • a lframe member as claimed in claim 2 said heatinsulating material disposed in said groove
  • a frame member as claimed in claim ⁇ 2 fand a closure member mounted in said frame member, a peripheral llange ⁇ on said closure member, and a sea-ling member embracing .said periplieral llange, said embracing sealing member being of readily deformable material and bein-g pressed against said sealing strip in sealing relationship when the closure member is in clos-ed position.

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  • Engineering & Computer Science (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Specific Sealing Or Ventilating Devices For Doors And Windows (AREA)

Description

Oct. 26, 1965 s. E. PERssoN 3,213,980
FRAME FOR BUILDING OPENINGS Filed Jan.4, 1965 28 6 .9 ATTORNEY 3,213,980 FRAME FOR BUILDING OPENINGS Sven Erie Persson, 1676 Commerce Drive, Stow, Ohio Filed Jan. 4, 1963, Ser. No. 249,477 4 Claims. (Cl. 189-75) The present invention relates to metal frames for windows, doors and other openings in buildings and more particularly is 'directed to such frames constructed of extruded or formed metal sections connected together with insulation therebetween.
Heretofore the metal framing used in building construction in which closure members such as doors or sashes are mounted has not provided adequate insulation between the outer frame portion and Ithe inner frame portion or between .the frame porti-ons .and sash or door portion. In some building constructions only a one piece or unita-ry .frame member is used while in other buildin-g constructions when an outer and inner trame portion were used, no rigid connection therebetween with insulation interposed thereat was provided.
An object ot the present invention is therefore to provide metal trames formed of rigidly connected outer and inner frame portions with interposed insulation for use in construction purposes in which doors or sashes are to be mounted. l Another object ofthe present invention is to provide rigid'lyconnected outer and inner frame port-ions with insulation .at the point of connection therebetween 4as well as betweenthe trarne porti-ons and the sash or door member.
A -further object of the present invention is to provide 'metal frames composed of inner and outer portions Wherein one of the frame portions has a U-shaped groove forming portion into which a flange of the other trame porti-on is inserted with insulation therebetween, land the U-shaped portion is compressed to -grip the straight portion Iand the interposed insulation to provide an effective insulated rigid connection between the trame portions.
A still :further object of the present invention is to provide ra rigid insulated connection between portions of a frame member wherein ribs are provided on cooperating ange and .groove members.
An additional object of the present invention is to provide a novel mounting of a IJframe of a window or door to the wall of a building.
lFurther objects of the invention will become apparent when considering the following description taken in conjunction with the drawings in which:
FIGURE '1 is la perspective vie-w showing a window sash mounted in a frame disposed in a building; .and
FIG. 2 is a section taken along the lin-es I-I-II of FIG. 1.
In FIG. 1 there is shown a window structure i1 including a frame 2 and a sash 3 carrying the lwindow pane 4 mounted in an -opening of wall 5. If desired, the sash 3 can be made Iof an inner portion 3a and an outer portion 3b each provided with a window pane 4 as shown in FIG. 2 and in prior U.S. Patents (Nos. 2,694,841; 2,838,109; 2,845,1116 and 2,975,492. As can be seen the window panes 4 are mounted in sash portions 13a and 3b by means of :gaskets -or sealing strips 7. The fra-me 2 consists of an inner frame portion v8 and an outer `frame portion 9. rIIhe trame porti-ons l8 and 9 are generally made from metal and preferably from extruded or for-med metal such .as aluminum or steel or an alloy thereof. Inner trame portion l8 comprises a U-shaped channel portion \11, a U-shaped portion 1112 and a stra-ight ilangedike portion '16.
The U-shaped channel portion 11 has depressions 14 into which legs llS of an anchor 16 fit. 'Ilhe anchor 116 3,213,980 Patented Oct. 26, 1965 lCC has yanother lleg 1.7 bolted into the interior section -18 of wall S by lmeans of anchor bolt 19. There are a number 4of anchors 'i116 spaced around the opening in interior wall '1 8 in order to effectively anchor the inner trame portion 8 therein.
The U-shaped portion |112 has a leg 12' which abuts against the covering material over the interior Wall 18 :such as plaster, dry wall etc., while leg 12 serves as an ab-utment .against which anchor 16 abuts for lending strength and rigidity thereto. Leg :12 is also la common leg :between yU-shaped portion 12 and U-shaped channel portion r11.
Straight llange portion 13 extends trom U-shaped channel portion 111 at substantially right angles to leg *11' thereof. Teeth or ribs 13 and l13 project from both sides of straight ange portion 13 and are spaced from eachother.
Outer frame portion 9 has a substantially U-shaped locking portion 20 of which the flange-like legs 20 and l20" have inwardly directed ribs or teeth 21 spaced from each other. The ribs or teeth 21 are intermediate-1y spaced with respect to the ribs or teeth i13 of straight -ange portion 13 of the inner tra-me portion i8.
The fiangealike leg 20" of U-shaped :locking portion l20 is normally disposed as shown in broken lines before outer frame portion 9 is rigidly connected to inner trame portion 8. A U-shaped piece of insulation 22 is placed around *flange portion 13, then the U-shaped locking portion .20 with the flange-like leg 20" in its normal posit-ion is moved to embrace insulation 22 Iand ilange portion \13, :and thereafter the U-shaped locking portion 20 is clamped onto insulation =22 and straiglht flange portion 13 'with the ribs l13', 13 and 21 intermeshing so that a rigid connection is effected between inner and outer frame portions without the use `of screws, rivets or such similar devices. |Ilhe connection betweenthe two frame portions is so rigid that extremely large forces are necessary to separate the two portions once they are interconnected.
At the inner edge of leg 20', Ithere is integral therewith a section 23 having a groove 24 therein. Groove 24 lhas a gasket or .sealing strip 25 disposed therein.
Outer 4trarne portion 9 has a -ange-'like leg v26 which extends toward the exterior section 27 of wa'll 5 and caulking compound is disposed therebetween at 28 to rform a tight seal.
On the other side of web l10 `of channel member .11 of inner frame portion 8 there are spaced abutments 29. A stop member 30 of IU-shaped or channel cross section has flanges SI1 and 32 which engage against abutments 29. Channel member 30 is iheld in place against web |10 of channel por-tion 11 by means of bolts, screws or some similar retaining means (not shown), or by a liish-hook like self-locking device against abutments 29.
Flange 32 has .grooves 33 therein which receive the edges of a sealing strip -or Igasket member 34. As can be seen, sealing strip 25 abuts -against sealing strip 34, and section 23 has a wide-r flange-like leg `3:5 abutting against sealing member 34.
`Inner portion 3a of sash 3 has a straight flange 36 on the outer periphery thereof serving as means to engage and cooperate with stop member 30 of the frame. Ribs 37 a-re disposed on each side of straight -flange 36 and are provided with teethdike projections 38. A sealing strip 39 having a U-s-haped cross section embraces llange 36 and has its free edges positioned between tange B6 and members 37 with the projections 38 of the, members 37 engaging and gripping and securely clamping sealing strip 39.
Sealing strip 39 abuts against sealing strip 34, and against a projecting ilange 30 of stop member 30.
The material forming the insulation or thermal-break between the inner and outer iframe portions l8 .and `9 is a material with a l-ow conductance such as vinyl, neoprene, rubber, Hypallon `or other plastic and synthetic materials.
The .sealing strips or gaskets yare ormed of a flexible material such `as soft vinyl, neoprene, rubber, -or sponge material such `as sponge neoprene.
As can be discerned, the present invention comp-rises Ia rigid, strong and insulated connection between frame portions of .a Erame member in which a door Ior sash is to be mounted, effective insulation between the lframe member :and the sash 'or door member and Ia mounting o'f the frame member to the wall of a building.
Having described my invention, I claim:
l1. A frame member for an openin-g in `a Wall of a building, comprising .an inner frame portion 'and lan router frame portion, cooperating connecting means on each portion for providing a rigid and strong interconnection between said portions, said connecting means comprising .a lflange on one frame portion, a channel member on the other frame portion, said llange extending into said channel member, heat-insulating material lbetween said tlange and said channel member, a sealing member carried by said channel member, a sealing strip carried by said one Iframe porti-on, said sealing member and said sealing strip :both being of readily deformable material and being pressed against each other in :abutting and sealing relationship, a closure member mounted in .said frame member, a peripheral flange on said closure member, a seai ing member embracing said peripheral flange, said ernbracing sealing member being of readily deformable material and being pressed aga-inst said sealing strip in sealing relationship when the closure member is in closed position, said channel member having a pair of spaced legs between which said Iflange is disposed, one of said legs being on the .sa-me side of said llange as said closure member, said one leg having an outward-ly `directed extension, the outer edge of said extension having a liange directed 1away from ytlhe closure member and which denes with the bottom of said channel a groove opening away from the closure member, thereby t-o provide a forward nish-ed edge of substantial depth and Width -for said outer frame portion.
2. A frame member for an opening in a wall of Ia building comprising a forward frame portion and a rear frame portion, a llange on one of said frame portions, :a channel member on the other 'of said Eframe portions, said flange extending into said channel member, -a readily deformable sealing strip carried by said one frame portion, a groove in said `other frame por-tion confronting said sealing strip, :and read-ily deformable heat-insulating material disposed 4in said channel on both sides of said flange and g in said groove and pressed into resilient contact with said sealing strip, said heat-insulating material comprising an integral piece of material extend-ing :about said flange and int-o said :gro-ove.
3. A lframe member as claimed in claim 2, said heatinsulating material disposed in said groove |having a portion that emerges Ifrom said .groove :and that is folded back on itself, said emerging portion being in contact with said sealing strip.
4. A frame member as claimed in claim `2, fand a closure member mounted in said frame member, a peripheral llange `on said closure member, and a sea-ling member embracing .said periplieral llange, said embracing sealing member being of readily deformable material and bein-g pressed against said sealing strip in sealing relationship when the closure member is in clos-ed position.
References Cited by the Examiner UNITED STATES PATENTS y2,565,772 8/51 Krantz 18'9-75 X 2,928,144 3/'60 Persson yl89--75 X 2,975,492 3/6l1 Persson 20-565 3,060,527 11G/'62 Lambert 1'89-75 X `3,099,337 7/'63 Hetmzan y189---75 FOREIGN PATENTS 768,499 2/57 Great Britain.
HARRISON 'R. MOSEL'EY, Primary Examiner.

Claims (1)

  1. 2. A FRAME MEMBER FOR AN OPENING IN A WALL OF A BUILDING COMPRISING A FORWARD FRAME PORTION AND A REAR FRAME PORTION, A FLANGE ON ONE OF SAID FRAME PORTIONS, A CHANNEL MEMBER ON THE OTHER OF SAID FRAME PORTIONS, SAID FLANGE EXTENDING INTO SAID CHANNEL MEMBER, A READILY DEFORMABLE SEALING STRIP CARRIED BY SAID ONE FRAME PORTION, A GROOVE IN SAID OTHER FRAME PORTION CONFRONTING SAID SEALING STRIP, AND READILY DEFORMABLE HEAT-INSULATING MATERIAL DISPOSED IN SAID CHANNEL ON BOTH SIDES OF SAID FLANGE AND IN SAID GROOVE AND PRESSED INTO RESILIENT CONTACT WITH SAID SEALING STRIP, SAID HEAT-INSULATING MATERIAL COMPRISING AN INTEGRAL PIECE OF MATERIAL EXTENDING ABOUT SAID FLANGE AND INTO SAID GROOVE.
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Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4018022A (en) * 1973-02-26 1977-04-19 Continental Aluminum Products Company Insulated frame assembly
US4793107A (en) * 1987-04-20 1988-12-27 Pacca Stephen R Window construction and components
EP0752036A1 (en) * 1994-03-25 1997-01-08 Guilford (Delaware), Inc. Junction box for low profile raised panel flooring
US5675950A (en) * 1994-03-25 1997-10-14 Guilford (Delaware), Inc. Metal support framework for low profile raised panel flooring
US5713168A (en) * 1994-03-25 1998-02-03 Guilford (Delaware), Inc. Junction box for low profile raised panel flooring
US5828001A (en) * 1995-02-15 1998-10-27 Guilford (Delaware), Inc. Plastic junction box with receptacle boxes
USRE39097E1 (en) 1994-03-25 2006-05-23 Guildford (Delaware), Inc. Metal support framework for low profile raised panel flooring
US9506247B2 (en) 2014-03-28 2016-11-29 Steelcase Inc. Transparent panel system for partitions
US10329759B2 (en) 2012-09-17 2019-06-25 Steelcase Inc. Floor-to-ceiling partition wall assembly

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2565772A (en) * 1948-04-21 1951-08-28 Walter M Krantz Storm window and mounting frame
GB768499A (en) * 1954-04-10 1957-02-20 Ind De L Aluminium Sa Improvements in and relating to metal-frames, especially for windows and doors
US2928144A (en) * 1955-11-08 1960-03-15 Persson Eric Sigfrid Frame structures
US2975492A (en) * 1956-09-18 1961-03-21 Persson Sven Eric Windows with one or more metal section sashes for three window panes
US3060527A (en) * 1960-02-03 1962-10-30 Truscon Steel Company Of Canad Split window construction
US3099337A (en) * 1960-07-22 1963-07-30 Frank W Hetman Thermal barrier and connector member for inner and outer window frames

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2565772A (en) * 1948-04-21 1951-08-28 Walter M Krantz Storm window and mounting frame
GB768499A (en) * 1954-04-10 1957-02-20 Ind De L Aluminium Sa Improvements in and relating to metal-frames, especially for windows and doors
US2928144A (en) * 1955-11-08 1960-03-15 Persson Eric Sigfrid Frame structures
US2975492A (en) * 1956-09-18 1961-03-21 Persson Sven Eric Windows with one or more metal section sashes for three window panes
US3060527A (en) * 1960-02-03 1962-10-30 Truscon Steel Company Of Canad Split window construction
US3099337A (en) * 1960-07-22 1963-07-30 Frank W Hetman Thermal barrier and connector member for inner and outer window frames

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4018022A (en) * 1973-02-26 1977-04-19 Continental Aluminum Products Company Insulated frame assembly
US4793107A (en) * 1987-04-20 1988-12-27 Pacca Stephen R Window construction and components
EP0752036A1 (en) * 1994-03-25 1997-01-08 Guilford (Delaware), Inc. Junction box for low profile raised panel flooring
EP0752036A4 (en) * 1994-03-25 1997-07-09 Guilford Delaware Inc Junction box for low profile raised panel flooring
US5675950A (en) * 1994-03-25 1997-10-14 Guilford (Delaware), Inc. Metal support framework for low profile raised panel flooring
US5713168A (en) * 1994-03-25 1998-02-03 Guilford (Delaware), Inc. Junction box for low profile raised panel flooring
USRE39097E1 (en) 1994-03-25 2006-05-23 Guildford (Delaware), Inc. Metal support framework for low profile raised panel flooring
US5828001A (en) * 1995-02-15 1998-10-27 Guilford (Delaware), Inc. Plastic junction box with receptacle boxes
US10329759B2 (en) 2012-09-17 2019-06-25 Steelcase Inc. Floor-to-ceiling partition wall assembly
US9506247B2 (en) 2014-03-28 2016-11-29 Steelcase Inc. Transparent panel system for partitions

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