WO1999040289A1 - Rollgitter und verfahren zur herstellung eines rollgitters - Google Patents
Rollgitter und verfahren zur herstellung eines rollgitters Download PDFInfo
- Publication number
- WO1999040289A1 WO1999040289A1 PCT/DE1999/000299 DE9900299W WO9940289A1 WO 1999040289 A1 WO1999040289 A1 WO 1999040289A1 DE 9900299 W DE9900299 W DE 9900299W WO 9940289 A1 WO9940289 A1 WO 9940289A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- bars
- grille
- connecting links
- rolling
- roller
- Prior art date
Links
Classifications
-
- 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
- E06B9/00—Screening or protective devices for wall or similar openings, with or without operating or securing mechanisms; Closures of similar construction
- E06B9/02—Shutters, movable grilles, or other safety closing devices, e.g. against burglary
- E06B9/08—Roll-type closures
- E06B9/18—Roll-type grilles
-
- 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
- E06B9/00—Screening or protective devices for wall or similar openings, with or without operating or securing mechanisms; Closures of similar construction
- E06B9/02—Shutters, movable grilles, or other safety closing devices, e.g. against burglary
- E06B9/08—Roll-type closures
- E06B9/11—Roller shutters
- E06B9/15—Roller shutters with closing members formed of slats or the like
- E06B2009/1533—Slat connections
- E06B2009/155—Slats connected by separate elements
- E06B2009/1566—Rigid elements, e.g. hinges, hooks or profiles
Definitions
- the invention relates to a rolling grille according to the preamble of claim 1 and a method for producing rolling grilles according to the preamble of claim 13.
- Such rolling grilles are mainly used in underground garages to close entrances and exits and on shop windows for security.
- large opening cross-sections are important to ensure adequate ventilation and to allow an outside view.
- the rolling grilles should be so stable that they resist mechanical manipulations from the outside, so that intrusion by unauthorized persons into the area closed by the rolling grille can be prevented.
- Roller grilles are known, for example, in which lattice bars bent into half diamonds are connected to one another in an articulated manner via connecting links.
- the connecting parts consist of sheet metal parts which are bent and closed in one operation following the assembly of the rolling grille. It turns out to be disadvantageous with these rolling grilles that the connecting parts are bent up using conventional tools 2, and unauthorized persons can gain access in this simple way.
- connecting elements which consist of extruded profiles.
- two different profile parts are placed around the bars and pushed into one another.
- a disadvantage of these connecting elements is that two extrusion tools are necessary to produce the two profile parts.
- the production of these extrusion tools is expensive and complex.
- the two connecting elements can be easily separated using suitable tools.
- the surface of the connecting elements offers enough contact surface to attach the tools so that the elements are pressed apart or broken apart.
- the rolling grille according to the invention with the characterizing features of claim 1 and the method for producing a rolling grille with the characterizing features of claim 13 have the advantage that the connecting links are formed in one piece and that longitudinal openings are provided in the connecting links for the bars.
- the longitudinal openings have a joint surface that is free of joints.
- the bars are completely enclosed by the connecting links in the area in which they engage the bars.
- the closed lateral surface offers no possibility of attack for tools in order to break open or bend open the connecting links.
- the roller grille according to the invention thus provides greater security in terms of destruction of the roller grille by external manipulations.
- the rolling grille To produce the rolling grille, several grille bars are inserted into the die, for example with the aid of a stamp and a die 3 desired shape bent and then arranged parallel to each other. The connecting links are then pushed onto the curved, still side by side lattice bars and each brought to the positions specified by the bending pattern. Finally, the bars are swung apart.
- the rolling grille gets its final shape and can be installed at the intended location. In this way, the manufacturing process of the rolling grille can be greatly simplified. In addition, the rolling grille can be made in any size.
- connecting links It is also possible to first push the connecting links onto the still straight bars arranged next to one another and then to bend the bars with the aid of a punch and a die.
- the connecting links must be attached at the positions specified by the desired grid pattern.
- the connecting links are solid. This makes them particularly stable.
- the connecting member has two cylindrical openings, in each of which a lattice bar is articulated.
- the two lattice bars connected by the connecting member do not come into contact with one another in this way, since each of the lattice bars is completely enclosed in the region of the connecting member.
- the cylindrical openings can, for example, have a circular, oval or flat-round cross section. However, square cross sections are also possible.
- straight lines are perpendicular to the direction of movement of the rolling grille 4 transverse bars are provided.
- the connecting links have a third cylindrical openings, in each of which a transverse rod is mounted. Further cylindrical openings can also be provided in the connecting members, so that further cross bars can be inserted. Such crossbars are used for additional stabilization of the rolling grille.
- the connecting links are made of aluminum or aluminum alloys. This has the advantage that it is easy to process and has a low weight.
- the connecting links are made of steel. Steel is heavier and more stable than aluminum.
- the connecting links are produced by an extrusion process. Extrusion processes enable a quick and inexpensive way of manufacturing.
- the connecting links are produced by a machining process.
- the lattice bars and / or the cross bars have a round cross section.
- the cross section of the lattice bars and / or the transverse bars has an elongated shape which is rounded on the narrow sides.
- This shape of the cross-section is also referred to as flat-round. Bars with such a cross section can be bent particularly well into the desired shape.
- the connecting links can also be pushed on in the bent state.
- the openings for the lattice bars in the connecting links are advantageously round. This facilitates the pushing of the connecting links onto the bars and the pivoting of the bars when rolling up the rolling grille.
- the openings provided in the connecting links for the cross bars are, however, adapted in shape to the shape of the cross bars, so that the cross bars are locked.
- the lattice bars connected with connecting links form a diamond pattern.
- Each individual lattice bar has half diamonds.
- Such rolling grilles offer a relatively large opening cross section and also guarantee sufficient stability. Rectangular patterns or wave patterns can also be achieved with the lattice bars.
- the bars must be bent accordingly. This is possible through the use of suitable profiling devices, such as punches and dies, in the method according to the invention. Due to the lattice bars bent into a pattern, the connecting links are locked in their position relative to the lattice bars after being swung apart and cannot move.
- the bars in the edge region of the rolling grille are bent so that they run parallel to the direction of movement.
- the connecting links in the edge regions of the rolling grille are also fixed in their position relative to the grating bars.
- connecting connecting links is provided that first straight bars are bent into the shape necessary for the desired grid pattern and then ground parallel to each other on sth. Then the connecting links are slid onto the parallel bars arranged side by side. Then the bars are swung apart to form a rolling grille. When pivoting apart, for example, adjacent bars are arranged in a mirror-image position. The respective grid pattern is created in this way. Finally, cross bars can be inserted into the connecting links.
- a punch and a die are used to bend the bars.
- a lattice bar or a large number of lattice bars can be bent into the specified shape in one operation. This facilitates and speeds up the manufacturing process for the rolling grille.
- At least two longitudinal openings are made in the axial direction for the connecting links in a solid, elongated profile.
- the connecting links are then separated from the profile. This enables simple and quick production of the connecting links.
- the longitudinal openings are drilled. This is particularly advantageous if the longitudinal openings form a circular shape. Other methods are recommended for opening cross-sections.
- the longitudinal openings worked into the connecting element are distinguished by the fact that they have no joints or openings on the lateral surface facing the lattice bars. So there are no points of attack to tools 7 with which the connecting links can be broken open.
- the connecting links are produced by an extrusion process or by a machining process.
- the longitudinal openings are incorporated in the extrusion process. This saves an additional step in working in the openings.
- Fig. 14 cross section of an embodiment of a trellis.
- a rolling grille according to the invention is shown in a perspective view.
- the rolling grille consists of half-diamond bars 1 and straight cross bars 2. Lattice bars and cross bars are articulated to one another via connecting links 3. Laterally, the rolling grille is guided in rails 4, which can be attached to a wall, not shown, for example.
- an axis 5 is provided which is driven by a gear motor 6.
- Fig. 2 the manufacture of the connecting links 3 is shown schematically. Be in an elongated massive profile 7 9 drilled parallel cylindrical openings 8 to 10 for this purpose. The connecting links 3 are then separated from the elongated profile 7. In the ylindharide openings 8 to 10, two bars and a cross bar can be articulated. For this purpose, the cylindrical openings have a somewhat larger cross section than the corresponding lattice bars. Lattice or cross bars with a rectangular cross-section can also be stored in circular longitudinal openings. For this purpose, the cross section of the circular opening is to be chosen larger than the diagonal of the rectangular cross section of the lattice bar.
- connecting member 16 has, in addition to the two circular cylindrical openings 8 and 10 for the lattice bars, a flat-round cylindrical opening 17 for the transverse bars.
- FIG. 4 shows a section of a rolling grille according to FIG. 1.
- the lattice bars 1 bent into a diamond pattern have a straight lattice bar section 11 in the area of the connecting members 16. This straight-line section allows simple and reliable articulated mounting of the bars in the connecting links.
- the bent regions 12 of the lattice bars adjoining the sections 11 prevent the connecting members 16 from moving relative to the lattice bars 1.
- 5 to 12 show schematically the manufacture of the rolling grille.
- straight bars 13 are inserted into the punch 14 and die 15 and bent into a bar 1 according to FIG. 6.
- a plurality of lattice bars 1 are arranged parallel to one another and the connecting members 16 to the lattice bars in this way 10 pushed that they are arranged as shown in Fig. 8.
- the bars 1 are pivoted apart in the direction of the arrows marked in FIG. 9a.
- the rolling grille is thereby given the shape shown in FIGS. 9b and 10.
- the cross bars 2 are inserted into the connecting links 16.
- the finished rolling grille is shown in Fig. 12.
- FIG. 13 shows a section of the rolling grille in FIG. 12.
- the connecting member 16 completely encloses the grille bars 1 and the cross bar 2.
- the connecting member 16 has no Tennfugen to which tools to damage the connecting member could be attached.
- the connecting member is prevented from moving by the bent areas of the bars 1.
- the crossbar 2 additionally stabilizes the rolling grille.
- the cross section has an elongated shape rounded on the sides.
- the cross bars can have the same cross section.
Landscapes
- Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Grates (AREA)
- Meat, Egg Or Seafood Products (AREA)
- Bending Of Plates, Rods, And Pipes (AREA)
- Metal Rolling (AREA)
Abstract
Description
Claims
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP99914405A EP1053383B1 (de) | 1998-02-04 | 1999-02-04 | Rollgitter und verfahren zur herstellung eines rollgitters |
AT99914405T ATE217383T1 (de) | 1998-02-04 | 1999-02-04 | Rollgitter und verfahren zur herstellung eines rollgitters |
DE59901395T DE59901395D1 (de) | 1998-02-04 | 1999-02-04 | Rollgitter und verfahren zur herstellung eines rollgitters |
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19804296 | 1998-02-04 | ||
DE19804296.5 | 1998-02-04 | ||
DE19854273 | 1998-11-25 | ||
DE19854273.9 | 1998-11-25 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO1999040289A1 true WO1999040289A1 (de) | 1999-08-12 |
Family
ID=26043583
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/DE1999/000299 WO1999040289A1 (de) | 1998-02-04 | 1999-02-04 | Rollgitter und verfahren zur herstellung eines rollgitters |
Country Status (4)
Country | Link |
---|---|
EP (1) | EP1053383B1 (de) |
AT (1) | ATE217383T1 (de) |
DE (2) | DE19903803A1 (de) |
WO (1) | WO1999040289A1 (de) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2368365A (en) * | 2000-10-26 | 2002-05-01 | Anthony Ronald Roche | Safety roller screen |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB337718A (en) * | 1929-04-06 | 1930-11-06 | Alfred Koehler | Improvements in or relating to rolling safety guards |
GB461518A (en) * | 1935-10-04 | 1937-02-18 | Dennison Kett And Company Ltd | Improvements in the construction of rolling metal grilles |
WO1991007565A1 (en) * | 1989-11-10 | 1991-05-30 | Tore Gisle Johannessen | Production line for burglarproof grilles and grilles manufactured on said production line |
-
1999
- 1999-02-02 DE DE19903803A patent/DE19903803A1/de not_active Withdrawn
- 1999-02-04 WO PCT/DE1999/000299 patent/WO1999040289A1/de active IP Right Grant
- 1999-02-04 AT AT99914405T patent/ATE217383T1/de not_active IP Right Cessation
- 1999-02-04 DE DE59901395T patent/DE59901395D1/de not_active Expired - Fee Related
- 1999-02-04 EP EP99914405A patent/EP1053383B1/de not_active Expired - Lifetime
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB337718A (en) * | 1929-04-06 | 1930-11-06 | Alfred Koehler | Improvements in or relating to rolling safety guards |
GB461518A (en) * | 1935-10-04 | 1937-02-18 | Dennison Kett And Company Ltd | Improvements in the construction of rolling metal grilles |
WO1991007565A1 (en) * | 1989-11-10 | 1991-05-30 | Tore Gisle Johannessen | Production line for burglarproof grilles and grilles manufactured on said production line |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2368365A (en) * | 2000-10-26 | 2002-05-01 | Anthony Ronald Roche | Safety roller screen |
Also Published As
Publication number | Publication date |
---|---|
EP1053383A1 (de) | 2000-11-22 |
DE59901395D1 (de) | 2002-06-13 |
ATE217383T1 (de) | 2002-05-15 |
DE19903803A1 (de) | 1999-10-14 |
EP1053383B1 (de) | 2002-05-08 |
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