EP0410161B2 - Verfahren und Vorrichtung zum Anbringen von Perforationen an Abstandhaltern von Isolierglasscheiben sowie Abstandhalterrahmen - Google Patents

Verfahren und Vorrichtung zum Anbringen von Perforationen an Abstandhaltern von Isolierglasscheiben sowie Abstandhalterrahmen Download PDF

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Publication number
EP0410161B2
EP0410161B2 EP90112557A EP90112557A EP0410161B2 EP 0410161 B2 EP0410161 B2 EP 0410161B2 EP 90112557 A EP90112557 A EP 90112557A EP 90112557 A EP90112557 A EP 90112557A EP 0410161 B2 EP0410161 B2 EP 0410161B2
Authority
EP
European Patent Office
Prior art keywords
perforation
deep
knobs
profile
groove
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.)
Expired - Lifetime
Application number
EP90112557A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP0410161A1 (de
EP0410161B1 (de
Inventor
Franz Bayer
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.)
Bayer Isolierglas und Maschinentechnik GmbH
Original Assignee
Bayer Isolierglas und Maschinentechnik GmbH
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
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Application filed by Bayer Isolierglas und Maschinentechnik GmbH filed Critical Bayer Isolierglas und Maschinentechnik GmbH
Priority to AT90112557T priority Critical patent/ATE88389T1/de
Publication of EP0410161A1 publication Critical patent/EP0410161A1/de
Publication of EP0410161B1 publication Critical patent/EP0410161B1/de
Application granted granted Critical
Publication of EP0410161B2 publication Critical patent/EP0410161B2/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D31/00—Other methods for working sheet metal, metal tubes, metal profiles
    • B21D31/02—Stabbing or piercing, e.g. for making sieves
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D53/00—Making other particular articles
    • B21D53/74—Making other particular articles frames for openings, e.g. for windows, doors, handbags
    • 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
    • E06B3/66—Units comprising two or more parallel glass or like panes permanently secured together
    • E06B3/673—Assembling the units
    • E06B3/67304—Preparing rigid spacer members before assembly
    • 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
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00—Metal working
    • Y10T29/49—Method of mechanical manufacture
    • Y10T29/49428—Gas and water specific plumbing component making
    • Y10T29/49432—Nozzle making
    • 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
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00—Metal working
    • Y10T29/49—Method of mechanical manufacture
    • Y10T29/496—Multiperforated metal article making
    • 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
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00—Metal working
    • Y10T29/49—Method of mechanical manufacture
    • Y10T29/49616—Structural member making
    • Y10T29/49623—Static structure, e.g., a building component
    • Y10T29/49625—Openwork, e.g., a truss, joist, frame, lattice-type or box beam
    • Y10T29/49627—Frame component

Definitions

  • the invention relates to a method for making perforations in those areas of a profile serving as a spacer for insulating glass panes, which extends in the position of use transversely to the two glass panes and faces the space between the glass panes, said holes being pressed again after the perforations have been made.
  • the invention further relates to a device for carrying out this method with a perforation tool or the like, which at the same time deforms in the penetration direction of the tool when penetrating into the surface to be punched.
  • the invention also relates to a spacer frame for insulating glazing, which is formed from one or more hollow profiles and contains a desiccant on the inside and is perforated on the web facing the pane interior.
  • a frame-shaped spacer for insulating glazing which is formed by a closed hollow profile and the webs facing the space between the two glass panes have openings so that air between the space between the glass panes and the interior of the hollow profile, in which there is a desiccant that can circulate.
  • the openings are formed by parallel short incisions, the material web located between these two cuts being deformed and bent into the interior of the profile in order to enlarge the slots. So that these openings are not too large and remain, this middle area can be pushed back again.
  • the method mentioned at the outset is characterized in that the perforation area is deep-drawn when punching in the direction of the interior of the profile and the deepest point of this deformation is pierced, and that the deep-drawn area is then rolled in such a way that the depth of the deep-drawing is reduced and thereby the perforation is sealed in a dust-tight manner and a nub directed into the interior of the profile is formed.
  • the perforation or perforation area can be formed with an optically inconspicuous small "inner courtyard” by deep-drawing. At the same time, it is achieved that the perforation itself does not become too large, but the repressing can be carried out easily, thereby permitting vapor permeability but not permitting the passage of dust. Since the thickness of the material area located at the deepest point of this deep drawing is simultaneously reduced in thickness, this area can be penetrated relatively easily without making the indentation formed too large.
  • the main advantage is, however, that the pressed perforation is in the use position on he nem upper horizontal frame leg higher than the lower, the disc space facing boundary web of this frame leg, so that even the finest dust that could be between the desiccant grains on the inside of this The web sinks and lies deeper than the perforation.
  • the knobs can be deep-drawn to such an extent that, after being punctured and pressed together, they protrude at least about 0.2 mm from a web of the hollow profile that has them, ie with a clear projection.
  • a flat sheet metal strip is deep-drawn, punched and the perforation is printed and then the profile is roll-formed from the sheet metal strip.
  • a perforation located at the "summit" of a deep-drawing process can be pressed particularly easily on a flat sheet metal strip.
  • the deep-drawn area can simultaneously be formed into an essentially convex knob. This is not only relatively inconspicuous on the visible side of the Ab
  • the device for carrying out the aforementioned method according to claim 4 is characterized in that the roller is profiled such that the perforated and deep-drawn area is seated on both sides of the workpiece and in the area of the perforation has a circumferential groove, the depth of which corresponds to the height of the forming pimples and which is less than the first deep drawing. and that the width or cross-sectional contour of the groove is equal to or smaller than that of the knobs.
  • the area with the deep draws and perforations lying next to one another can be rolled over, the areas of the roller located on both sides of the circumferential groove being able to run supported on a sheet metal strip, while the grooved area can pull the deep draws again due to the smaller depth slightly deformed in the opposite direction to the deep-drawing process, thereby pressing through the perforations and shaping the knobs to the end.
  • the groove cross section of the profiled roller can be rounded, channel-shaped or trapezoidal.
  • a trapezoidal shape can ensure that the perforations are pressed down, because the short side of the trapezoid then acts directly on the "top" of the deep-drawing process and, due to the smaller groove depth compared to the height of the knobs, can roll the perforations to a certain extent.
  • the side flank of the knob can dodge and thus approach the inclined surfaces of the "trapezoid".
  • the roller used to press the perforation holes is guided and supported on the workpiece itself, so that a nub height defined by the groove depth is maintained in the same way for all individual perforations.
  • the roller can thereby simultaneously axize the respective knob area that is being processed, since it presses the workpiece onto its base in this respective area.
  • the spacer frame according to the invention according to claim 8 is characterized in that the edges of the passage are interlocked with one another after the perforation has been closed and the knobs have a convex shape.
  • knobs were originally formed by a deep-drawing process, there are only relatively small deformation areas or "yards" around the deformation on the visible side of the webs, so that these deformations remain optically unobtrusive. Nevertheless, in this way the perforation, which is again closed, is laid at a height in relation to the web facing the space between the panes, so that no drying agent crushed to dust or powder by gravity through such a perforation - especially on the upper horizontal frame leg in the use position the hollow profile can escape into the space between the panes.
  • the protrusion of the knobs relative to the inside of the web is greater than at least about a fifth of the diameter of the desiccant grains contained in the spacer frame, e.g. is at least about two to three tenths of a millimeter.
  • a "nub height" relative to the web having it is sufficient to prevent the desiccant dust which is deposited on the web from escaping from the perforation which is actually pressed.
  • Those desiccant grains which even after a disruption still correspond in their dimensions to the height of the knobs or somewhat less or are even larger, can, however, also easily lie on and above the perforated area of the knobs, since they allow passage through the closed one Punching is too big from the start.
  • the water vapor contained in the space between the panes due to external influences after the completion of the Islier glass pane is bound by the desiccant more quickly than is possible due to perforations being closed.
  • a further development of the invention can therefore consist in that individual perforations are left open at larger intervals between pressed perforations. In this way, the air and water vapor can pass through better.
  • the height shift of the actual opening formed during the production of the perforations relative to the perforated web ensures that drying agent dust lying on the web cannot enter the inside of the pane through this perforation, because then it would first have to overcome the height present even in the case of this perforation, which has not been compressed, which is prevented by gravity alone.
  • the roller has at least one recess on its circumference with a greater depth than on its circumferential groove. If this recess is long enough in the circumferential direction, in each case at least one deep-drawn point is overlapped by this recess with each revolution of this roller and, due to its greater depth, is not or only less pressed, so that in this case the perforation remains largely open and even maintains an even greater distance from the web itself.
  • the method, device and spacer can thus be adapted to different circumstances, e.g. Adjust panes of different sizes and thus different sized spaces between panes so that on the one hand the moisture inside the insulating glass pane during manufacture can be absorbed by the desiccant sufficiently quickly, but this desiccant does not absorb too much moisture from the environment, for example during storage of the spacer frames .
  • the special shape of the perforation and its height in relation to the web prevent drying agent dust from escaping into the space between the panes.
  • the web 4 of this hollow profile 2 facing the window interior is perforated in a manner to be described, so that an air exchange can take place between the interior of the hollow profile 2 and the window space 5.
  • the protrusion 8 of the knobs 7 indicated above all in FIG. 5 with respect to the inside of the web 4 is larger than at least about a sixth of the diameter of the desiccant granules 3 contained in the spacer frame 1 and can e.g. about two to three tenths of a millimeter. Depending on the application, however, this projection can also be half a millimeter or even a whole millimeter, which also depends on the material thickness of the web 4 and the cross-sectional size of the hollow profile 2.
  • FIGS. 1 to 5 A device for attaching the perforations and thus the passages 6 is at least partially indicated in FIGS. 1 to 5.
  • FIGS. 1, 2, 3 and 5 each show a profiled roller 9, which serves as an essential part of the device, for pressing the perforation 6a which can be seen in FIG. 1 and which is formed by a piercing tool, this roller 9 according to FIG.
  • the groove cross section is channel-shaped and can be rounded according to FIG. 2 or trapezoidal according to FIG. 3.
  • the short side 10a of this trapezoid of the trapezoidal groove 10 can act particularly well on the area of the first perforation 6a from above, while at the same time the inclined surfaces 10b of the trapezoidal groove 10b cause an action from the side, so that the upsetting and Pressing together the perforation 6a to the only vapor-permeable passage 6 is compressed.
  • such deep-drawn deformations 7a which are deformed into knobs 7, are arranged in a row next to one another. If in some cases a greater air and vapor permeability of the hollow profile 2 is to be retained, individual deformations 7a could now remain unchanged, i.e. their perforations 6a could be left out of the process of being squeezed and thus remain open in the manner shown in FIG. 1. This could be caused in that the roller 9 has at least one recess with a greater depth on its circumference than on its circumferential groove 10. Those deep-drawn sections 7a which are overrun by this recessed area of the roller 9 then remain open at the perforation 6a or are only slightly compressed so that more air can be exchanged there.
  • the perforation area during the perforation is deep-drawn in the direction of the interior of the profile 2 and the deepest point of this deformation 7a according to FIG. 1 is pierced. Then the deep-drawn area is rolled in such a way that the depth of the deep-drawing is reduced and thereby the perforation 6a is closed in a dust-tight manner and a knob 7 directed into the interior of the profile 2 is formed.
  • a flat sheet metal strip can first be deep-drawn, punched and the perforation 6a pressed, after which the sheet metal strip can then be roll-formed into the profile 2.
  • a flat sheet metal strip can be better provided with deep-drawing deformations and perforations 6a and can also be rolled again at these perforations 6a, because the profile roller 9 then also has a good abutment for its areas located on both sides of its groove 10. It is advantageous that when the perforation 6a is rolled and pressed, the deep-drawn region 7a is simultaneously formed into an essentially convex knob 7.
  • the initially gaping edges of the perforation 6a can thus be bent towards one another and can also be brought closer to one another, as is shown enlarged in FIG. 4. Any irregularities in the perforated edges can then even be interlocked according to FIG. 4, so that the vapor permeability is retained, but the passage of particles is made even more difficult.
  • the perforation area is first deep-drawn in the direction of the interior of the profile 2 and the lowest position of the resulting deformation 7a is pierced. This deep-drawn area is then rolled in such a way that the depth of this deep-drawing is somewhat reduced and the perforation 6a is thereby closed in a dust-tight manner.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Securing Of Glass Panes Or The Like (AREA)
  • Joining Of Glass To Other Materials (AREA)
  • Re-Forming, After-Treatment, Cutting And Transporting Of Glass Products (AREA)
  • Laminated Bodies (AREA)
EP90112557A 1989-07-27 1990-07-02 Verfahren und Vorrichtung zum Anbringen von Perforationen an Abstandhaltern von Isolierglasscheiben sowie Abstandhalterrahmen Expired - Lifetime EP0410161B2 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT90112557T ATE88389T1 (de) 1989-07-27 1990-07-02 Verfahren und vorrichtung zum anbringen von perforationen an abstandhaltern von isolierglasscheiben sowie abstandhalterrahmen.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE3924872A DE3924872A1 (de) 1989-07-27 1989-07-27 Verfahren und vorrichtung zum anbringen von perforationen an abstandhaltern von isolierglasscheiben sowie abstandhalterrahmen
DE3924872 1989-07-27

Publications (3)

Publication Number Publication Date
EP0410161A1 EP0410161A1 (de) 1991-01-30
EP0410161B1 EP0410161B1 (de) 1993-04-21
EP0410161B2 true EP0410161B2 (de) 1996-08-07

Family

ID=6385972

Family Applications (1)

Application Number Title Priority Date Filing Date
EP90112557A Expired - Lifetime EP0410161B2 (de) 1989-07-27 1990-07-02 Verfahren und Vorrichtung zum Anbringen von Perforationen an Abstandhaltern von Isolierglasscheiben sowie Abstandhalterrahmen

Country Status (6)

Country Link
US (1) US5105643A (enrdf_load_stackoverflow)
EP (1) EP0410161B2 (enrdf_load_stackoverflow)
AT (1) ATE88389T1 (enrdf_load_stackoverflow)
DE (2) DE3924872A1 (enrdf_load_stackoverflow)
DK (1) DK0410161T4 (enrdf_load_stackoverflow)
ES (1) ES2041082T3 (enrdf_load_stackoverflow)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2003053699A1 (fr) * 2001-12-20 2003-07-03 Seiko Epson Corporation Diaphragme pour tete de pulverisation de gouttelettes liquides, procede de fabrication correspondant et perforateur
DE202004004734U1 (de) * 2004-03-24 2005-09-08 Kronenberg, Max Mehrteiliger Steckverbinder

Family Cites Families (22)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE7426966U (de) * 1974-11-14 Vaw Leichtmetall Gmbh Abstandshalter
US1256905A (en) * 1914-03-30 1918-02-19 Peter Kass Metal step.
US1693011A (en) * 1925-09-28 1928-11-27 Mcevoy Wireless Well Strainer Method of perforating casings
US2737831A (en) * 1950-06-02 1956-03-13 American Viscose Corp Process for making a spinneret
US2754581A (en) * 1954-01-21 1956-07-17 Rigidized Metals Corp Method of producing ornamental metallic sheets
GB1140261A (en) * 1964-04-29 1969-01-15 Elisa Berthelsen Improvements in and relating to structural frames such as window frames
US3442110A (en) * 1965-08-12 1969-05-06 Budd Co Method and apparatus for making holes with cold-worked margins and the product
FR2134289B1 (enrdf_load_stackoverflow) * 1971-04-30 1973-12-28 Etudes Et Fab Nautiques Autom
DE2351028A1 (de) * 1972-09-20 1975-04-30 Erbsloeh Julius & August Stranggepresstes hohlprofil zur herstellung von isolierglasscheiben
US3865144A (en) * 1973-01-31 1975-02-11 Standard Metallwerke Gmbh Spacer for double windows
DE2349074A1 (de) * 1973-09-29 1975-04-10 Siegener Ag Geisweid Walzeinrichtung zum einwalzen von sicken in ebene metallbleche oder -profile.
DE2422719A1 (de) * 1974-05-10 1975-11-20 Siegener Ag Geisweid Verfahren zur herstellung von lochblechen mit laenglichen loechern
FR2301676A2 (fr) * 1975-02-24 1976-09-17 Poignon Andre Procede et dispositif pour transformer des vitrages simples en vitrages doubles isolants
GB2023209A (en) * 1978-04-05 1979-12-28 Bostik Ltd Spacer means
DE7925919U1 (de) * 1979-09-10 1979-12-06 Mannesmann Ag, 4000 Duesseldorf Stahlabstandsleiste fuer isolierglas
JPS56165531A (en) * 1980-05-23 1981-12-19 Maspro Denkoh Corp Punching method for hole in metallic sheet
US4464920A (en) * 1982-10-27 1984-08-14 Artos Engineering Company Machine for roller forming metal louvers
CA1246978A (en) * 1983-04-09 1988-12-20 Franz Bayer Method of and apparatus for making spacers for use in multiple-pane windows of the like
JPS59199139A (ja) * 1983-04-26 1984-11-12 Mitsubishi Heavy Ind Ltd ノズル成形法
DE3327366A1 (de) * 1983-07-29 1985-02-14 Franz Xaver Bayer Isolierglasfabrik KG, 7807 Elzach Verbindungsstueck fuer hohlprofile, die als abstandhalter fuer isolierglasscheiben od. dgl. dienen
US4621511A (en) * 1985-04-03 1986-11-11 Knudson Gary Art Method and apparatus for forming loosely connected articles
DE3740922A1 (de) * 1987-12-03 1989-06-22 Bayer Isolierglasfab Kg Verfahren und vorrichtung zur herstellung eines abstandhalter-rahmens

Also Published As

Publication number Publication date
US5105643A (en) 1992-04-21
EP0410161A1 (de) 1991-01-30
ATE88389T1 (de) 1993-05-15
EP0410161B1 (de) 1993-04-21
DE3924872C2 (enrdf_load_stackoverflow) 1991-05-16
DE59001239D1 (de) 1993-05-27
DE3924872A1 (de) 1991-02-21
ES2041082T3 (es) 1993-11-01
DK0410161T4 (da) 1996-10-21

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