WO2012130377A1 - Profilé à chambres - Google Patents

Profilé à chambres Download PDF

Info

Publication number
WO2012130377A1
WO2012130377A1 PCT/EP2012/001002 EP2012001002W WO2012130377A1 WO 2012130377 A1 WO2012130377 A1 WO 2012130377A1 EP 2012001002 W EP2012001002 W EP 2012001002W WO 2012130377 A1 WO2012130377 A1 WO 2012130377A1
Authority
WO
WIPO (PCT)
Prior art keywords
hollow chamber
chamber profile
reinforcing
profile
reinforcing strip
Prior art date
Application number
PCT/EP2012/001002
Other languages
German (de)
English (en)
Inventor
Torsten Wagner
Original Assignee
Rehau Ag + Co
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
Priority claimed from DE102011015453A external-priority patent/DE102011015453A1/de
Priority claimed from DE202011050876U external-priority patent/DE202011050876U1/de
Application filed by Rehau Ag + Co filed Critical Rehau Ag + Co
Publication of WO2012130377A1 publication Critical patent/WO2012130377A1/fr

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C44/00—Shaping by internal pressure generated in the material, e.g. swelling or foaming ; Producing porous or cellular expanded plastics articles
    • B29C44/02—Shaping by internal pressure generated in the material, e.g. swelling or foaming ; Producing porous or cellular expanded plastics articles for articles of definite length, i.e. discrete articles
    • B29C44/12—Incorporating or moulding on preformed parts, e.g. inserts or reinforcements
    • B29C44/18—Filling preformed cavities
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C44/00—Shaping by internal pressure generated in the material, e.g. swelling or foaming ; Producing porous or cellular expanded plastics articles
    • B29C44/02—Shaping by internal pressure generated in the material, e.g. swelling or foaming ; Producing porous or cellular expanded plastics articles for articles of definite length, i.e. discrete articles
    • B29C44/12—Incorporating or moulding on preformed parts, e.g. inserts or reinforcements
    • B29C44/128—Internally reinforcing constructional elements, e.g. beams
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/03—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor characterised by the shape of the extruded material at extrusion
    • B29C48/06—Rod-shaped
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/03—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor characterised by the shape of the extruded material at extrusion
    • B29C48/09—Articles with cross-sections having partially or fully enclosed cavities, e.g. pipes or channels
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/03—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor characterised by the shape of the extruded material at extrusion
    • B29C48/09—Articles with cross-sections having partially or fully enclosed cavities, e.g. pipes or channels
    • B29C48/11—Articles with cross-sections having partially or fully enclosed cavities, e.g. pipes or channels comprising two or more partially or fully enclosed cavities, e.g. honeycomb-shaped
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/03—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor characterised by the shape of the extruded material at extrusion
    • B29C48/12—Articles with an irregular circumference when viewed in cross-section, e.g. window profiles
    • 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
    • E06B3/06—Single frames
    • E06B3/08—Constructions depending on the use of specified materials
    • E06B3/20—Constructions depending on the use of specified materials of plastics
    • E06B3/22—Hollow frames
    • E06B3/221—Hollow frames with the frame member having local reinforcements in some parts of its cross-section or with a filled cavity
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/15—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor incorporating preformed parts or layers, e.g. extrusion moulding around inserts
    • B29C48/154—Coating solid articles, i.e. non-hollow articles
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/15—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor incorporating preformed parts or layers, e.g. extrusion moulding around inserts
    • B29C48/154—Coating solid articles, i.e. non-hollow articles
    • B29C48/155—Partial coating thereof
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
    • B29L2031/00—Other particular articles
    • B29L2031/001—Profiled members, e.g. beams, sections
    • B29L2031/003—Profiled members, e.g. beams, sections having a profiled transverse cross-section
    • B29L2031/005—Profiled members, e.g. beams, sections having a profiled transverse cross-section for making window frames
    • 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
    • E06B3/06—Single frames
    • E06B3/08—Constructions depending on the use of specified materials
    • E06B3/20—Constructions depending on the use of specified materials of plastics
    • E06B3/22—Hollow frames
    • E06B3/221—Hollow frames with the frame member having local reinforcements in some parts of its cross-section or with a filled cavity
    • E06B3/222—Hollow frames with the frame member having local reinforcements in some parts of its cross-section or with a filled cavity with internal prefabricated reinforcing section members inserted after manufacturing of the hollow frame
    • E06B2003/224—Hollow frames with the frame member having local reinforcements in some parts of its cross-section or with a filled cavity with internal prefabricated reinforcing section members inserted after manufacturing of the hollow frame with reinforcing plastic section members
    • 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
    • E06B3/06—Single frames
    • E06B3/08—Constructions depending on the use of specified materials
    • E06B3/20—Constructions depending on the use of specified materials of plastics
    • E06B3/22—Hollow frames
    • E06B3/221—Hollow frames with the frame member having local reinforcements in some parts of its cross-section or with a filled cavity
    • E06B3/222—Hollow frames with the frame member having local reinforcements in some parts of its cross-section or with a filled cavity with internal prefabricated reinforcing section members inserted after manufacturing of the hollow frame
    • E06B2003/225—Means for stabilising the insert
    • E06B2003/226—Means for stabilising the insert by adhesives or filling up the remainder of the cavity, e.g. together with foam

Definitions

  • the invention relates to a hollow chamber profile, in particular window or door hollow chamber profile, with at least one hollow chamber.
  • Such hollow chamber profiles are usually produced by means of an extrusion process of plastic material, such as PVC. Due to the large dimensions of windows and doors, it is regularly necessary to provide these profiles with an additional reinforcement. Usually this metal profiles are inserted into the hollow chamber profile.
  • DE 20 2009 006 858 U1 a hollow profile element for a door or window frame is known, are inserted into the L-shaped reinforcing elements. The reinforcing elements are determined by the introduction of an insulating foam in the hollow profile element.
  • WO 2009/098069 A1 a profile for window or door frame is known, which has a reinforcing element made of plastic with glass fiber reinforcement.
  • window or door hollow chamber profiles often have inner webs, in the screws for fixing the fittings are turned.
  • the desired inner web geometries can not be provided to the desired extent.
  • the invention has for its object to provide a hollow chamber profile, in particular window or door hollow chamber profile, with at least one hollow chamber, which has a high mechanical strength and is not limited in terms of its functionality.
  • the object is achieved in that arranged on at least one inner side of the hollow chamber, a hollow chamber mechanically reinforcing reinforcing tape with a profiled contour, preferably fastened, which gives the reinforcing tape an additional function.
  • the mechanically amplifying function of the reinforcing band is combined with a further function of this band, which is ensured by means of a correspondingly profiled band contour.
  • the reinforcing band is preferably designed such that it has a
  • Screw channel for mounting at least one screw on the hollow chamber profile forms.
  • This screw can serve for example for fastening a fitting on the hollow chamber profile.
  • the reinforcing strip has a sawtooth-like profiling. For each tooth two cutting planes are formed with the longitudinal axis of a screw, so that even by the arrangement of one or two teeth can be done securely fixing the screw.
  • the reinforcing strip is introduced in the extrusion of the hollow chamber profile in the hollow chamber.
  • the profiling of the reinforcing tape can in this case be carried out directly in the extrusion tool, in which, for example, the unprofiled reinforcing tape preheated enters the extrusion head and is formed there.
  • the curing of the reinforcing strip is then expediently only in the cooling section.
  • the profiling of the reinforcing strip can also take place by means of devices preceding the extrusion process or separately before the extrusion, for example by roller sets. In this case, the reinforcing strip can enter the extrusion tool in already profiled form.
  • the reinforcing tape has a coating which ensures a secure adhesion of the reinforcing strip to the hollow chamber wall.
  • the coating may consist of a material which adheres to the material of the hollow chamber wall, for example PVC.
  • the reinforcing tape itself may be made of metal or plastic, in particular an organic sheet.
  • Organic sheets are plate-shaped, thermoplastic prepregs containing a fiber reinforcement.
  • the fiber reinforcement may for example consist of continuous fibers, which are unidirectionally aligned or else designed as a fabric can.
  • the use of a thermosetting prepreg as a reinforcing tape is possible.
  • the matrix of the hollow chamber profile may consist of regions or completely of fiber-reinforced plastic.
  • reinforcing fibers mineral and / or carbon and / or aramid and / or basalt fibers can be used.
  • the stated reinforcing fibers can also be used for mechanical reinforcement of the reinforcing tape according to the invention, in which they are integrated, for example, in a corresponding plastic matrix of the reinforcing tape.
  • the invention relates to hollow chamber profiles in which the hollow chamber provided with the reinforcing strip according to the invention has an otherwise free cross-section, in particular a non-foam-filled cross section.
  • the corresponding hollow chamber is foamed with foam material.
  • the foam material may in this case consist of an organic material with low thermal conductivity, in particular polystyrene, polyvinyl chloride, polyethylene, polyurethane or mixtures of two or more of the materials mentioned.
  • the foaming with an inorganic material is conceivable.
  • the foam material can also be inserted as a profile in the hollow chamber profile.
  • Cross-sectional geometry of the hollow chamber profile can be simplified because now no corresponding webs have to be provided for synchronkanal Struktur more. This also simplifies the possibly necessary foaming process.
  • Fig. 1 shows an inventive hollow chamber profile in a cross-sectional view
  • Fig. 1 shows a hollow chamber profile 1, which serves for the production of window or door frame.
  • the hollow chamber profile 1 has a plurality of hollow chambers 2, 2 'and is produced by means of an extrusion process of plastic.
  • polyvinyl chloride is used, which is designed as needed or partially made of fiber reinforced.
  • a reinforcing band 3 mechanically reinforcing the hollow chamber 2 is arranged with a profiled contour on mutually opposite inner sides of the hollow chamber 2.
  • the profiled contour gives the reinforcing bands 3 an additional function.
  • the reinforcing bands 3 are designed such that they each form a screw channel for fastening a screw (not shown) on the hollow chamber profile 1 (indicated by dot-dash lines x).
  • the reinforcing bands 3 each have a sawtooth-like profiling.
  • two cutting planes are thus formed with the screw axis x.
  • four sectional planes with the screw axis x are already present through the provision of two teeth 4, so that a secure anchoring thereof to the hollow chamber profile 1 takes place when the screw is screwed in.
  • the tooth tips are flattened to form intermediate pieces 5. Further, the teeth 4 are spaced from each other by an intermediate portion 6.
  • the reinforcing bands 3 have a coating (not shown), which ensures a secure adhesion of the bands 3 to the hollow chamber wall.
  • the coating consists of a PVC-bonded material.
  • the reinforcing bands 3 were introduced into the hollow chamber 2 during the extrusion process of the hollow-chamber profile 1 by running the corresponding bands 3 into the extrusion tool.
  • the provided with the reinforcing bands 3 hollow chamber in Fig. 1 has an otherwise free cross section without foaming.
  • the corresponding hollow chamber 2 is additionally foamed with foam material 7.
  • This foam material 7 consists of an organic material with low thermal conductivity, in the embodiment polyurethane.
  • the cavities 8 formed by the teeth 4 together with the hollow chamber wall are free of foam material 7.
  • Fig. 2 it can be seen in Fig. 2 that there is a further chamber 2 'of the hollow chamber profile 1 has been provided with a foaming.
  • This hollow chamber 2 ' is also provided with a reinforcing strip 3', which, however, has no profiling.
  • the reinforcing bands 3, 3 not only serve to reinforce the manufactured profile 1, but also prevent deformation of the hollow chamber profile 1 during the foaming process, in which due to the expansion of the foam material 7 very large forces can arise.
  • the hollow chamber wall has an interruption 9 for receiving the reinforcing strip 3.
  • the reinforcing strip 3 engages behind the interruption 9.
  • the reinforcing strip 3 is designed symmetrically here and accordingly has two sawtooth-like profilings.
  • an asymmetric reinforcing band 3 -as shown for example in FIG. 3 on the right-can also be accommodated in the interruption 9.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Extrusion Moulding Of Plastics Or The Like (AREA)

Abstract

L'invention porte sur un profilé à chambres (1), en particulier un profilé à chambres pour fenêtres ou portes, comprenant au moins une chambre (2, 2'). Sur au moins une face intérieure de la chambre (2), est disposé un cordon de renforcement (3) qui renforce mécaniquement la chambre (2) et qui possède un contour profilé qui confère une fonction additionnelle au cordon de renforcement (3).
PCT/EP2012/001002 2011-03-30 2012-03-07 Profilé à chambres WO2012130377A1 (fr)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
DE102011015453.1 2011-03-30
DE102011015453A DE102011015453A1 (de) 2010-10-21 2011-03-30 Verfahren zur Einbringung von Schaummaterial in Hohlkammerprofile sowie Hohlkammerprofil
DE202011050876U DE202011050876U1 (de) 2011-03-30 2011-08-02 Hohlkammerprofil
DE202011050876.5 2011-08-02

Publications (1)

Publication Number Publication Date
WO2012130377A1 true WO2012130377A1 (fr) 2012-10-04

Family

ID=46929499

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2012/001002 WO2012130377A1 (fr) 2011-03-30 2012-03-07 Profilé à chambres

Country Status (1)

Country Link
WO (1) WO2012130377A1 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9447627B2 (en) 2014-05-27 2016-09-20 Guardian Industries Corp. Window frame system for vacuum insulated glass unit
US9845635B2 (en) 2014-05-27 2017-12-19 Guardian Glass, Llc. Window frame system for vacuum insulated glass unit

Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2287491A (en) * 1994-03-15 1995-09-20 William Henry Topham Hollow structural member with internal stiffening
DE19535388C1 (de) * 1995-09-23 1996-12-19 Juergen Fabricius Hohlkammerprofil aus Kunststoff für Fenster- oder Türrahmen
DE29705292U1 (de) * 1997-03-25 1997-06-05 Gayko, Klaus, 57555 Mudersbach Befestigung von Beschlägen an Fenstern oder Türen
DE10033389A1 (de) * 2000-07-08 2002-01-17 Illerplastic Kunststoffprofile Armierungselement mit thermischer Entkopplung zum Einschub in technische Kunststoffhohlprofile, insbesondere in Kunststoffenster
DE202006005098U1 (de) * 2006-03-30 2007-08-09 Rehau Ag + Co. Rahmenbaugruppe
DE202008000076U1 (de) * 2008-01-11 2009-02-19 Henkenjohann, Johann Mehrkammer-Hohlprofil
EP2031169A2 (fr) * 2007-08-27 2009-03-04 IFN-Holding AG Profilé de cavité creuse
EP2072743A2 (fr) * 2007-12-21 2009-06-24 Aluplast Gmbh Procédé de fabrication d'un cadre de fenêtre ou de porte isolé
WO2009098069A1 (fr) 2008-02-08 2009-08-13 Aluplast Gmbh Profilé pour cadre de fenêtre ou de porte
DE202009006858U1 (de) 2009-05-12 2009-08-27 Aluplast Gmbh Hohlprofilelement für einen Tür- oder Fensterrahmen

Patent Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2287491A (en) * 1994-03-15 1995-09-20 William Henry Topham Hollow structural member with internal stiffening
DE19535388C1 (de) * 1995-09-23 1996-12-19 Juergen Fabricius Hohlkammerprofil aus Kunststoff für Fenster- oder Türrahmen
DE29705292U1 (de) * 1997-03-25 1997-06-05 Gayko, Klaus, 57555 Mudersbach Befestigung von Beschlägen an Fenstern oder Türen
DE10033389A1 (de) * 2000-07-08 2002-01-17 Illerplastic Kunststoffprofile Armierungselement mit thermischer Entkopplung zum Einschub in technische Kunststoffhohlprofile, insbesondere in Kunststoffenster
DE202006005098U1 (de) * 2006-03-30 2007-08-09 Rehau Ag + Co. Rahmenbaugruppe
EP2031169A2 (fr) * 2007-08-27 2009-03-04 IFN-Holding AG Profilé de cavité creuse
EP2072743A2 (fr) * 2007-12-21 2009-06-24 Aluplast Gmbh Procédé de fabrication d'un cadre de fenêtre ou de porte isolé
DE202008000076U1 (de) * 2008-01-11 2009-02-19 Henkenjohann, Johann Mehrkammer-Hohlprofil
WO2009098069A1 (fr) 2008-02-08 2009-08-13 Aluplast Gmbh Profilé pour cadre de fenêtre ou de porte
DE202009006858U1 (de) 2009-05-12 2009-08-27 Aluplast Gmbh Hohlprofilelement für einen Tür- oder Fensterrahmen

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9447627B2 (en) 2014-05-27 2016-09-20 Guardian Industries Corp. Window frame system for vacuum insulated glass unit
US9845635B2 (en) 2014-05-27 2017-12-19 Guardian Glass, Llc. Window frame system for vacuum insulated glass unit

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