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DE2923935A1 - Plastics profile butt welding - involves applying recessed groove along joints to absorb upsetting flash - Google Patents

Plastics profile butt welding - involves applying recessed groove along joints to absorb upsetting flash

Info

Publication number
DE2923935A1
DE2923935A1 DE19792923935 DE2923935A DE2923935A1 DE 2923935 A1 DE2923935 A1 DE 2923935A1 DE 19792923935 DE19792923935 DE 19792923935 DE 2923935 A DE2923935 A DE 2923935A DE 2923935 A1 DE2923935 A1 DE 2923935A1
Authority
DE
Germany
Prior art keywords
profile sections
upsetting
sections
butt welding
absorb
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.)
Withdrawn
Application number
DE19792923935
Other languages
German (de)
Inventor
Nichtnennung Beantragt
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Priority to DE19792923935 priority Critical patent/DE2923935A1/en
Publication of DE2923935A1 publication Critical patent/DE2923935A1/en
Withdrawn legal-status Critical Current

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
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/01—General aspects dealing with the joint area or with the area to be joined
    • B29C66/05—Particular design of joint configurations
    • B29C66/10—Particular design of joint configurations particular design of the joint cross-sections
    • B29C66/11—Joint cross-sections comprising a single joint-segment, i.e. one of the parts to be joined comprising a single joint-segment in the joint cross-section
    • B29C66/114—Single butt joints
    • B29C66/1142—Single butt to butt joints
    • 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
    • B29C65/00—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor
    • B29C65/02—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure
    • B29C65/18—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using heated tools
    • B29C65/20—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using heated tools with direct contact, e.g. using "mirror"
    • 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
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/01—General aspects dealing with the joint area or with the area to be joined
    • B29C66/02—Preparation of the material, in the area to be joined, prior to joining or welding
    • B29C66/022—Mechanical pre-treatments, e.g. reshaping
    • B29C66/0224—Mechanical pre-treatments, e.g. reshaping with removal of material
    • B29C66/02241—Cutting, e.g. by using waterjets, or sawing
    • 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
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/01—General aspects dealing with the joint area or with the area to be joined
    • B29C66/02—Preparation of the material, in the area to be joined, prior to joining or welding
    • B29C66/022—Mechanical pre-treatments, e.g. reshaping
    • B29C66/0224—Mechanical pre-treatments, e.g. reshaping with removal of material
    • B29C66/02245—Abrading, e.g. grinding, sanding, sandblasting or scraping
    • 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
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/01—General aspects dealing with the joint area or with the area to be joined
    • B29C66/05—Particular design of joint configurations
    • B29C66/10—Particular design of joint configurations particular design of the joint cross-sections
    • B29C66/11—Joint cross-sections comprising a single joint-segment, i.e. one of the parts to be joined comprising a single joint-segment in the joint cross-section
    • B29C66/116—Single bevelled joints, i.e. one of the parts to be joined being bevelled in the joint area
    • B29C66/1162—Single bevel to bevel joints, e.g. mitre joints
    • 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
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/50—General aspects of joining tubular articles; General aspects of joining long products, i.e. bars or profiled elements; General aspects of joining single elements to tubular articles, hollow articles or bars; General aspects of joining several hollow-preforms to form hollow or tubular articles
    • B29C66/51—Joining tubular articles, profiled elements or bars; Joining single elements to tubular articles, hollow articles or bars; Joining several hollow-preforms to form hollow or tubular articles
    • B29C66/52—Joining tubular articles, bars or profiled elements
    • B29C66/524—Joining profiled elements
    • B29C66/5241—Joining profiled elements for forming coaxial connections, i.e. the profiled elements to be joined forming a zero angle relative to each other
    • 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
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/50—General aspects of joining tubular articles; General aspects of joining long products, i.e. bars or profiled elements; General aspects of joining single elements to tubular articles, hollow articles or bars; General aspects of joining several hollow-preforms to form hollow or tubular articles
    • B29C66/51—Joining tubular articles, profiled elements or bars; Joining single elements to tubular articles, hollow articles or bars; Joining several hollow-preforms to form hollow or tubular articles
    • B29C66/52—Joining tubular articles, bars or profiled elements
    • B29C66/524—Joining profiled elements
    • B29C66/5243—Joining profiled elements for forming corner connections, e.g. for making window frames or V-shaped pieces
    • B29C66/52431—Joining profiled elements for forming corner connections, e.g. for making window frames or V-shaped pieces with a right angle, e.g. for making L-shaped pieces
    • 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
    • E06B3/96—Corner joints or edge joints for windows, doors, or the like frames or wings
    • E06B3/9604—Welded or soldered joints
    • E06B3/9608—Mitre joints
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Joining Of Corner Units Of Frames Or Wings (AREA)
  • Butt Welding And Welding Of Specific Article (AREA)

Abstract

Hollow plastic profiles are fabricated into frame structures, e.g. for doors and windows, by butt welding at the mitres. An allowance must be made for the upsetting length when the sections are cut before the application of heat and pressure to perform the butt joint. All walls of the profiles which are visible when the frame has been installed are provided with a stepped recess along the proposed joint. The dimensions of the recesses are designed to compensate for the volume, displaced by the upsetting operation. The pref. method of producing the recesses is milling in one machining operation with the cutting operation.

Description

Verfahren zum Verschweißen stoßenderProcess for welding butt joints

Kunststoff-Hohlprofile Beschreibung Die Erfindung betrifft ein Verfahren zum Preßverschweißen stoßender Kunststoff-Hohlprofile, wobei die Profilabschnitte zunächst unter Berücksichtigung der Abbrennlänge zugeschnitten, die Stoßflächen danach auf Schweißtemperatr erwärmt und die Profilabschnitte sodann unter Herbeiführung der Schweißverbindung gegeneinander gestaucht werden, wie es bei der Herstellung von Rahmenkonstruktionen etwa für Fenster und Türen zur Anwendung kommt, insbesondere für Einkammerprorile, Als nachteilig erweist es sich bei der bekannten Verfahrensweise, daß sich bei der Verschweißung der Profilabschnitte an der Stoßstelle ein Schweißwulst ausbildet, der jedenfalls an den Sichtflächen des Rahmens unerwünscht ist und entfernt werden muß. Die Entfernung des Schweißwulstes ist zumal an der Innenkante des Stoßes beschwerlich und aufwendig. Sichtflächen im Sinne der Erfindung sind die Flächen, die im Einbauzustand des Rahmens sichtbar sind.Plastic hollow profiles Description of the invention relates to a method for pressure welding butting plastic hollow profiles, wherein the profile sections are initially cut to size taking into account the burn-off length, the joint surfaces are then heated to welding temperature and the profile sections then are compressed against each other while causing the welded connection, as it is in the manufacture of frame constructions, for example for windows and doors comes, especially for Einkammerprorile, it proves to be disadvantageous in the known procedure that when the profile sections are welded the joint forms a weld bead, which in any case on the visible surfaces of the Frame is undesirable and must be removed. The removal of the weld bead is cumbersome and expensive, especially at the inner edge of the joint. Visible surfaces In the context of the invention, the surfaces that are visible when the frame is installed are.

Der Erfindung liegt die Aufgabe zugrunde, die Verschweißung von Kunststoff-Hohlprofilen so auszugestalten, daß jedenfalls an den Sichtflächen des Rahmens ein Schweißwulst gar nicht erst entsteht0 Die Aufgabe wird mit einem Verfahren der eingangs umrissenen Art gelöst, das erfindungsgemäß dadurch gekennzeichnet ist, daß die Wandteile der Profilabschnitte mindestens im Bereich der Sichtflächen der Stoßverbindung unter Belassung von einen hinreichenden tragenden Querschnitt gewährleistenden Stoßflachen mit einem der Abbrennlänge entsprechenden Rücksprung versehen werden und die Profilabschnitte unter Eliminierung der Riicksprünge über die Vorsprünge der Wandteile verschwert werden.The invention is based on the task of welding hollow plastic profiles designed in such a way that a weld bead is in any case on the visible surfaces of the frame does not arise in the first place Type solved, which is characterized according to the invention in that the wall parts of the Profile sections at least in the area of the visible surfaces of the butt joint Leaving abutment surfaces ensuring a sufficient load-bearing cross-section be provided with a recess corresponding to the burn-off length and the profile sections with elimination of the recesses over the projections of the wall parts will.

Nach der Erfindung erfolgt die Verschweißung der Profilabschnitte über die über die Rücksprünge vorspringenden Stoßflächen der Profilwandteile. Sich beim Verschweißen allenfalls im Bereich der Sichtflä.chen noch nach außen durchdrückendes Material läßt sich vergleichsweise leicht abstechen.According to the invention, the profile sections are welded via the abutment surfaces of the profile wall parts protruding over the recesses. Themselves When welding, at most in the area of the visible surface, there is still some pushing through to the outside Material can be cut off comparatively easily.

Das Verfahren ist anwendbar auf fluchtende wie auch auf Gehrung zusammengesetzte Profilabschnitte.The method can be used for aligned as well as mitred assemblies Profile sections.

Die Rahmenecke kann in an sich bekannter Weise durch in die Profile eingefügte Eckwinkel ausgesteift werden.The frame corner can in a manner known per se through into the profiles inserted corner brackets are stiffened.

Der Rücksprung kann in einem an den Trenn- bzw. Zuschnitt anschließenden Arbeitsgang durch Hobeln bzw. Fräsen hergestellt rden' vorzugsweise wird er in einem Arbeitsgang mit dem Zuschnitt hergestellt, etwa mit einer Trennscheibe für den Zuschnitt mit mindestens einer ihr zugeordneten Frässcheibe geringeren Durchmessers für die Herstellung des Rücksprunges. Bestehen zusammenzufugende Profilabschnitte aus fortlaufend abgelängten Abschnitten, kann eine Trennscheibe mit zu beiden Seiten angeordneten Frässcheiben geringeren Durchmessers verwendet werden, womit die Stöße zweier Abschnitte in einem Arbeitsgang erfindungsgemäß vorbereitet werden können.The return can be in a subsequent to the separating or cutting The operation is produced by planing or milling, preferably in one Operation made with the blank, for example with a cutting disc for the blank with at least one associated milling disc of smaller diameter for the Establishing the return. Consists of profile sections to be joined continuously cut to length sections, a cutting disc can be arranged with on both sides Milling disks of smaller diameter are used, with which the joints of two sections can be prepared according to the invention in one operation.

Die Erfindung ist in der Zeichnung weitergehend erläutert.The invention is further explained in the drawing.

Es zeigen: Figur 1 die herkömmliche Profilverbindung im Rohzustand, Figur 2 zwei erfindungsgemäß zusammenzusetzende Profilabschnitte, einer in Seitenansicht Figur 2a), einer in Stirnansicht Figur 2b) Figur 2c einen Schnitt nach Linie C - C in Figur 2b, Figur 3 die neue Profilverbindung unmittelbar vor der Verschweißung Fig. 3a), nach der Verschweißung Fig. 3b), Figur 3c einen Schnitt nach Linie C - C in Figur 3b.Show it: Figure 1 the conventional profile connection in the raw state, FIG. 2 two profile sections to be assembled according to the invention, one in side view Figure 2a), one in front view Figure 2b) Figure 2c a Section along line C - C in Figure 2b, Figure 3, the new profile connection directly before welding Fig. 3a), after welding Fig. 3b), Figure 3c a Section along line C - C in Figure 3b.

In Figur 1 ist eine aus zwei miteinander verschweißten Kunststoff-Hohlprofilabschnitten 11, 12 in herkömmlicher Weise hergestellte Rahmenecke im Rohzustand, d.h. mit noch vorhandenem Schweißwulst 13, dargestellt. Der Schweißwulst 13 muß vor dem Einbau des Rahmens jedenfalls im Bereich der Sichtflächen 14 noch entfernt werden.In Figure 1 is one of two plastic hollow profile sections welded together 11, 12 frame corner manufactured in a conventional manner in the raw state, i.e. with still existing weld bead 13 is shown. The welding bead 13 must be installed before installation of the frame must be removed in the area of the visible surfaces 14 in any case.

Die interessierenden Sichtflächen werden etwa bei Profilen entsprechend Figur 2 gebildet von den Umfangswandteilen 211, 213 (teilweise) und der Außenseite des Steges 215.The visible surfaces of interest are corresponding, for example, with profiles Figure 2 formed by the peripheral wall parts 211, 213 (partially) and the outside of the bridge 215.

Nach der Erfindung werden die Wandteile 211, 213 und 214 außen mit Rücksprüngen 211t, 2132 bzw. 214t versehen sowie der Steg 215 mit einem Rücksprung 215 in der Flucht des Rücksprunges 2131 des Wandteiles 213, so daß die Verschweissung der Profilabschnitte 21, 22 im Bereich der Wandteile 211, 213 und 214 sowie des Steges 215 nur über die Vorsprünge 211", 213", 214 und 215" erfolgt. Der Rücksprung x ist so bemessen, daß er beim Verschweißen der Profilabschnitte 21, 22 eliminiert wird (Figuren 3a und 3b). Bei der Verschweißung bildet sich in an sich bekannter Weise an der Innenseite der Wandteile 211 bis 214, an der Außenseite des Wandteiles 212 und auf der von der Sichtfläche abgekehrten Seite des Steges 215 ein Wulst 23, 23t an der Außenseite der Wandteile 211, 213 und 214 sowie an der Sichtseite des Steges 215 allenfalls eine Art Fahne 24, die leicht abgestochen werden kann (Figur 3c).According to the invention, the wall parts 211, 213 and 214 are outside with Provided recesses 211t, 2132 and 214t as well as the web 215 with a recess 215 in the alignment of the recess 2131 of the wall part 213, so that the weld of the profile sections 21, 22 in the area of the wall parts 211, 213 and 214 as well as the Web 215 takes place only over the projections 211 ", 213", 214 and 215 ". The return x is dimensioned so that it is eliminated when the profile sections 21, 22 are welded (Figures 3a and 3b). During the welding process, a known per se is formed Way on the inside of the wall parts 211 to 214, on the outside of the wall part 212 and on the side of the web 215 facing away from the visible surface, a bead 23, 23t on the outside of the wall parts 211, 213 and 214 and on the visible side of the Web 215 at most a kind of flag 24 that can be easily cut off (Fig 3c).

L e e r s e i t eL e r s e i t e

Claims (4)

A n s p r ü c h e lo Verfahren zum Preßverschieißen stoßender Kunsts4,off-Hohlprofile, wobei die Profilabschnitte zunächst unter Berücksichtigung der Abbrennlänge zugeschnitten, die Stoßflächen danach auf Schweißtemperatur erwärmt und die Profilabschnitte sodann unter Herbeiführung der Schweißverbindung gegeneinander gepreßt werden, dadurch gekennzeichnDt, daß die Wandteile der Profilabschnitte mindestens im Bereich der Sichtflachen der Stoßverbindung unter Belassung von einen hinreichenden tragenden Querschnitt gewährleistenden Stoßflachen mit einem der Abbrennlänge entsprechenden Riicksprung versehen werden und die Profilabschnitte unter Eliminierung der Rücksprünge über die Vorsprünge der Wandteile verschweißt werden. A n s p r ü c h e lo Process for press-sealing butting plastics4, off-hollow profiles, where the profile sections are initially cut to size taking into account the burn-off length, the joint surfaces are then heated to welding temperature and the profile sections then are pressed against each other while producing the weld joint, thereby marked that the wall parts of the profile sections at least in the area of Visible surfaces of the butt joint leaving a sufficient load bearing Cross-section ensuring abutting surfaces with a length corresponding to the burn-off length Setback are provided and the profile sections eliminating the setbacks be welded over the projections of the wall parts. 2. Verfahren nach Anspruch 1, d a d u r c h g e k e n n z e i c h n e t, daß der Rücksprung durch Fräsen hergestellt wird.2. The method according to claim 1, d a d u r c h g e k e n n z e i c h n e t that the return is made by milling. 3. Verfahren nach den Ansprüchen 1 und 2, dadurch gekennzeichnet, daß der Zuschnitt des Profilabschnittes und die Herstellung des Rücksprunges in einem Arbeitsgang erfolgen.3. The method according to claims 1 and 2, characterized in that that the cutting of the profile section and the production of the recess in take place in one operation. 4. Vorrichtung zur Durchführung des Verfahrens nach Anspruch ), gekennzeichnet durch eine Trennscheibe für den Zuschnitt der zu verbindenden rrotilabschnitte mit mirdestens einer ihr zugeordneten Frässoheibe geringeren Durchmessers für die Herstellung des Rücksprunges.4. Device for performing the method according to claim), characterized with a cutting disc for cutting the rrotile sections to be connected at least one of its associated milling wheels with a smaller diameter for production of the return.
DE19792923935 1979-06-13 1979-06-13 Plastics profile butt welding - involves applying recessed groove along joints to absorb upsetting flash Withdrawn DE2923935A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DE19792923935 DE2923935A1 (en) 1979-06-13 1979-06-13 Plastics profile butt welding - involves applying recessed groove along joints to absorb upsetting flash

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19792923935 DE2923935A1 (en) 1979-06-13 1979-06-13 Plastics profile butt welding - involves applying recessed groove along joints to absorb upsetting flash

Publications (1)

Publication Number Publication Date
DE2923935A1 true DE2923935A1 (en) 1980-12-18

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DE19792923935 Withdrawn DE2923935A1 (en) 1979-06-13 1979-06-13 Plastics profile butt welding - involves applying recessed groove along joints to absorb upsetting flash

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Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0264052A2 (en) * 1986-10-11 1988-04-20 Urban GmbH & Co. Maschinenbau KG Process for welding profiled plastics articles together
EP0920978A2 (en) * 1997-11-25 1999-06-09 REHAU AG + Co Welding process
EP1153693A3 (en) * 2000-05-09 2002-01-30 Peter Lisec Assembly method by welding of hollow section members
EP1679180A2 (en) * 2005-01-11 2006-07-12 Berten Lieven & Co. (Berlico) N.V. Method for connecting two plastic jambs
ITMO20120057A1 (en) * 2012-03-07 2013-09-08 Graf Synergy Srl "METHOD AND DEVICE FOR WELDING PROFILES IN PLASTIC MATERIAL, IN PARTICULAR PVC"
WO2013132406A1 (en) * 2012-03-07 2013-09-12 Graf Synergy S.R.L. Method and device for welding profiled elements in plastic material, in particular pvc
GB2610583A (en) * 2021-09-08 2023-03-15 Truframe Ltd Profile joints and related methods

Cited By (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0264052A2 (en) * 1986-10-11 1988-04-20 Urban GmbH & Co. Maschinenbau KG Process for welding profiled plastics articles together
EP0264052A3 (en) * 1986-10-11 1988-10-12 Urban GmbH & Co. Maschinenbau KG Process for welding profiled plastics articles together
EP0920978A2 (en) * 1997-11-25 1999-06-09 REHAU AG + Co Welding process
EP0920978A3 (en) * 1997-11-25 2000-10-18 REHAU AG + Co Welding process
EP1153693A3 (en) * 2000-05-09 2002-01-30 Peter Lisec Assembly method by welding of hollow section members
EP1679180A2 (en) * 2005-01-11 2006-07-12 Berten Lieven & Co. (Berlico) N.V. Method for connecting two plastic jambs
BE1016401A3 (en) * 2005-01-11 2006-10-03 Berten Lieven & Co Afgekort Be METHOD FOR CONNECTING TWO PLASTIC PROFILES
EP1679180A3 (en) * 2005-01-11 2007-03-28 Berten Lieven & Co. (Berlico) N.V. Method for connecting two plastic jambs
ITMO20120057A1 (en) * 2012-03-07 2013-09-08 Graf Synergy Srl "METHOD AND DEVICE FOR WELDING PROFILES IN PLASTIC MATERIAL, IN PARTICULAR PVC"
WO2013132406A1 (en) * 2012-03-07 2013-09-12 Graf Synergy S.R.L. Method and device for welding profiled elements in plastic material, in particular pvc
EP3141374A1 (en) * 2012-03-07 2017-03-15 Graf Synergy S.r.L. Method for welding profiled elements in plastic material, in particular pvc
EP3156214A1 (en) * 2012-03-07 2017-04-19 Graf Synergy S.r.L. Device for welding profiled elements in plastic material, in particular pvc
US9969124B2 (en) 2012-03-07 2018-05-15 Graf Synergy S.R.L. Method and device for welding profiled elements in plastic material, in particular PVC
US9969128B2 (en) 2012-03-07 2018-05-15 Graf Synergy S.R.L. Method for welding profiled elements in plastic material, in particular PVC
US9993969B2 (en) 2012-03-07 2018-06-12 Graf Synergy S.R.L. Device for welding profiled elements in plastic material, in particular PVC
EP3156214B1 (en) 2012-03-07 2018-11-28 Graf Synergy S.r.L. Device for welding profiled elements in plastic material, in particular pvc
GB2610583A (en) * 2021-09-08 2023-03-15 Truframe Ltd Profile joints and related methods
GB2610583B (en) * 2021-09-08 2024-01-31 Truframe Ltd Profile joints and related methods

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