EP0078504B1 - Approximately arcuate transparent wall partially enclosing a revolving door - Google Patents
Approximately arcuate transparent wall partially enclosing a revolving door Download PDFInfo
- Publication number
- EP0078504B1 EP0078504B1 EP82109942A EP82109942A EP0078504B1 EP 0078504 B1 EP0078504 B1 EP 0078504B1 EP 82109942 A EP82109942 A EP 82109942A EP 82109942 A EP82109942 A EP 82109942A EP 0078504 B1 EP0078504 B1 EP 0078504B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- glass
- panel
- joints
- strip
- strips
- 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
Links
Images
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
- 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
- E06B3/90—Revolving doors; Cages or housings therefor
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05Y—INDEXING SCHEME RELATING TO HINGES OR OTHER SUSPENSION DEVICES FOR DOORS, WINDOWS OR WINGS AND DEVICES FOR MOVING WINGS INTO OPEN OR CLOSED POSITION, CHECKS FOR WINGS AND WING FITTINGS NOT OTHERWISE PROVIDED FOR, CONCERNED WITH THE FUNCTIONING OF THE WING
- E05Y2900/00—Application of doors, windows, wings or fittings thereof
- E05Y2900/10—Application of doors, windows, wings or fittings thereof for buildings or parts thereof
- E05Y2900/13—Application of doors, windows, wings or fittings thereof for buildings or parts thereof characterised by the type of wing
- E05Y2900/132—Doors
Definitions
- This invention relates to an arcuate wall as part of a revolving door, and more particularly to arcuate sidewall members made at least partly of glass.
- the arcuate side walls in revolving doors are usually made of panels of non-transparent material such as stainless steel, or with-annealed glass bent to a right cylindrical shape (US-A--2 294 792).
- a transparent plastic with sufficient scratch hardness to withstand the effect of the constantly passing sealing element (felt or brush) on the edges of each rotating door leaf is not presently available.
- the costs of manufacturing are high for bent glass in dimensions to be used and manufactured in the relatively small number of pieces in question with the accuracy required.
- the high cost of the mold for bending further tends to limit the number of door diameters available, thus limiting the architectural freedom in designing an entrance.
- a problem associated with the use of annealed glass is its tenden"ty1o-break into large fragments with dangerously sharp edges.
- tempered or laminated the bent glass in question has led to reluctant acceptance of the use of annealed glass, and the attendant risk of personal injury in the event of breakage. This risk may be reduced somewhat by use of an increased thickness of the glass.
- an arcuate glass panel made of a number of relatively high, narrow strips of flat glass.
- Each strip of glass is sufficiently wide, and the joints between the strips are sufficiently narrow, to provide an acceptable view, and the width of each strip is sufficiently narrow to enable a smooth rotation of the central revolving door member and its door leaves, the latter having a felt, brush or other edge sealing member in continuous contact with the surface of the glass panel.
- the high narrow strips of flat.glass may comprise tempered or laminated glass.
- each strip of glass be glued to its neighboring strip(s) along the vertical, adjacent edges thereof.
- the high, narrow strips of glass may, before the mounting thereof, be sealed or joined together by means of an elastic adhesive or sealer.
- an elastic adhesive or sealer By providing permanent elasticity for the seals between the glass strips, it is possible to build up a large arcuate wall panel or segment away from the mounting side, to transport this panel or segment as a flat member, and to mount this member at the construction site by bending it to the curve desired, as part of the mounting operation.
- This technique allows for manufacturing of the seals or joints under optimal, controlled conditions in a factory and at the same time allows for fast and therefore inexpensive mounting at the construction site.
- a glass panel 10 for one arcuate wall for one side of a revolving door may have a radius of 210 cm, a height of the door leaves or strips equal to 230 cm, and a non-transparent, 25 cm high foot panel in the arcuate side wall, made and mounted in the following way.
- each strip should be at least 3 inches wide but sufficiently wide so that it subtends an angle in the horizontal plane, which is no greater than 10° as measured from the axis of rotation of the revolving door.
- the difference in radial distance from the axis of rotation to the center and to either edge of the strip should-not exceed 5 mm.
- the subtended angle should not exceed 9°, and the aforementioned difference in radial distance should not exceed 3 mm.
- each strip of glass is laminated from 3 layers of 4 mm thick glass and 2 layers of laminating, 0.76 mm thick sheets of poly- vinylbutyrate (PVB).
- PVB poly- vinylbutyrate
- the glass strips are placed in a simple mould.
- the mold may be made of 4 mm thick plywood 180 x 220 cm, bent to a radius of curvature of approximately 210 cm, defined by two 12 mm wide, 15 cm or more high beams cut out of plywood.
- the mold is lined with a polyethylene (PE) sheet in order to prevent the sealer from sticking to the mold.
- PE polyethylene
- the glass strips are placed parallel to one another leaving a 4 mm wide slot therebetween. The nine slots are then filled with a clear silicone sealer and left to cure to form flexible joints 12.
- the glass panel After curing of the silicone rubber, the glass panel is removed from the mold and placed in a conventional flat glass transportation box or rack. A second glass panel is now made the same way, and both elements thus manufactured are transported to the mounting site.
- each glass panel is taken from the transportation unit and placed in the awaiting frame 13 for bending each panel to the desired curve, and releasing the joints 12 from the stresses applied to them during transportation.
- each strip of glass 11 In order to ensure an acceptable view through the arcuate side wall, it is necessary that each strip of glass 11 have a minimum width of at least 12.5 cm (5 inches) being preferred. If the glass strips are too wide, a smooth rotation of the rotating body is not possible, or the necessary tight seal between the arcuate wall and the edges of the door leaves will be absent through part of the passage of the door.
- the maximum acceptable width of the glass strips in the panels according to the invention is 17.5 cm, a width not exceeding 15.5 cm being preferred.
- the maximum acceptable width of the glass strips in the panels according to the invention is 310 mm, and the preferred width is 240 mm or less.
- tempered or even annealed glass instead of laminated glass, it is possible to have the long edges of the glass strips ground to accurate shape for fitting in the frame, and the glass mounted to the frame without sealer or with a rigid adhesive; or the sealing of the joints between adjacent strips may be carried out at the mounting site. Sealing of the panels with the strips of glass placed in one plane, leaving the seals unstressed during transportation and stressed when mounted, is another possible modification.
Abstract
Description
- This invention relates to an arcuate wall as part of a revolving door, and more particularly to arcuate sidewall members made at least partly of glass.
- In order to make the entrances to buildings such as airports, hospitals, shops, administrative buildings, etc. look more attractive, it is desirable to have door leaves and the surrounding structure made from glass or with glass as a substantial part. An unimpeded or only slight impeded look through the door construction improves traffic flow through the door by reducing the number of incidents where persons bump into one another due to lack of visibility.
- The arcuate side walls in revolving doors are usually made of panels of non-transparent material such as stainless steel, or with-annealed glass bent to a right cylindrical shape (US-A--2 294 792). A transparent plastic with sufficient scratch hardness to withstand the effect of the constantly passing sealing element (felt or brush) on the edges of each rotating door leaf is not presently available.
- The use of bent, annealed glass in a door construction results in a number of disadvantages and problems.
- The costs of manufacturing are high for bent glass in dimensions to be used and manufactured in the relatively small number of pieces in question with the accuracy required. The high cost of the mold for bending further tends to limit the number of door diameters available, thus limiting the architectural freedom in designing an entrance.
- A problem associated with the use of annealed glass is its tenden"ty1o-break into large fragments with dangerously sharp edges. For security reasons and because of the improved strength thereof, tempered or laminated the bent glass in question has led to reluctant acceptance of the use of annealed glass, and the attendant risk of personal injury in the event of breakage. This risk may be reduced somewhat by use of an increased thickness of the glass.
- Another disadvantage of using bent annealed glass is the difficult transportation and mounting of these heavy and voluminous (because of the arcuate shape) pieces of glass. The handling of the panes entails a high breakage risk, adding substantially to the final price of the product.
- Earlier attempts to make use of flat pieces of glass in the curved walls in revolving doors (GB-A-2 052 612) in order to make the use of tempered and laminated glass economically feasible have failed, either because the suggested design did not permit smooth rotation of the door; the sealing between the edges of the door leaves and the arcuate wall could not be maintained throughout the passage; or because the view through the transparent area was too narrow to be attractive and/or to have any effect in improving the traffic flow through the door.
- It is an object of the present invention to overcome economic and technical disadvantages and problems related to earlier designs of transparent panels for arcuate walls forming part of revolving doors.
- These problems are overcome by a construction as claimed in claim 1.
- As herein described, there is provided an arcuate glass panel made of a number of relatively high, narrow strips of flat glass. Each strip of glass is sufficiently wide, and the joints between the strips are sufficiently narrow, to provide an acceptable view, and the width of each strip is sufficiently narrow to enable a smooth rotation of the central revolving door member and its door leaves, the latter having a felt, brush or other edge sealing member in continuous contact with the surface of the glass panel.
- The high narrow strips of flat.glass may comprise tempered or laminated glass.
- In order to provide an air-tight, arcuate panel without individually framing each glass strip, it is preferred that each strip of glass be glued to its neighboring strip(s) along the vertical, adjacent edges thereof.
- The high, narrow strips of glass may, before the mounting thereof, be sealed or joined together by means of an elastic adhesive or sealer. By providing permanent elasticity for the seals between the glass strips, it is possible to build up a large arcuate wall panel or segment away from the mounting side, to transport this panel or segment as a flat member, and to mount this member at the construction site by bending it to the curve desired, as part of the mounting operation. This technique allows for manufacturing of the seals or joints under optimal, controlled conditions in a factory and at the same time allows for fast and therefore inexpensive mounting at the construction site.
- The foregoing and other features and advantages of the present invention will become more apparent in the light of the following description and accompanying drawing, which is a top cross- sectional view of a portion of an arcuate glass panel for a side wall of a revolving door according to a preferred embodiment thereof.
- According to a preferred embodiment of the invention, a
glass panel 10 for one arcuate wall for one side of a revolving door may have a radius of 210 cm, a height of the door leaves or strips equal to 230 cm, and a non-transparent, 25 cm high foot panel in the arcuate side wall, made and mounted in the following way. - Preferably, each strip should be at least 3 inches wide but sufficiently wide so that it subtends an angle in the horizontal plane, which is no greater than 10° as measured from the axis of rotation of the revolving door. The difference in radial distance from the axis of rotation to the center and to either edge of the strip should-not exceed 5 mm. Preferably, the subtended angle should not exceed 9°, and the aforementioned difference in radial distance should not exceed 3 mm.
- It has been found that the majority of the commercial available brush or felt sealing means may be used for sealing between the edges of the door leaves in a revolving door and the arcuate walls in the door according to the present invention, without compromising the sealing effect and at the same time not producing such friction as to introduce disturbing effects on the smoothness of rotation; and that such commercially available sealing means can obsorb changes in distance between the axis of rotation and the curved wall of 3 to 4 mm. A few of the above-mentioned sealing means (brushes and felts) can satisfactorily absorb 5 to 6 mm variations.
- In the production plant, two identical glass panels are provided, each measures 169 x 205 cm and assembled from 10 strips of glass, each 16.5 wide x 205 cm high. Each strip of glass is laminated from 3 layers of 4 mm thick glass and 2 layers of laminating, 0.76 mm thick sheets of poly- vinylbutyrate (PVB).
- The glass strips are placed in a simple mould. The mold may be made of 4 mm thick plywood 180 x 220 cm, bent to a radius of curvature of approximately 210 cm, defined by two 12 mm wide, 15 cm or more high beams cut out of plywood. The mold is lined with a polyethylene (PE) sheet in order to prevent the sealer from sticking to the mold. The glass strips are placed parallel to one another leaving a 4 mm wide slot therebetween. The nine slots are then filled with a clear silicone sealer and left to cure to form
flexible joints 12. - After curing of the silicone rubber, the glass panel is removed from the mold and placed in a conventional flat glass transportation box or rack. A second glass panel is now made the same way, and both elements thus manufactured are transported to the mounting site.
- At the mounting site, each glass panel is taken from the transportation unit and placed in the
awaiting frame 13 for bending each panel to the desired curve, and releasing thejoints 12 from the stresses applied to them during transportation. - After mounting the first and the second
prefabricated glass panels 10, the joints between the two panels and between each panel and theframe 13 are respectively sealed in a conventional way. - In order to ensure an acceptable view through the arcuate side wall, it is necessary that each strip of
glass 11 have a minimum width of at least 12.5 cm (5 inches) being preferred. If the glass strips are too wide, a smooth rotation of the rotating body is not possible, or the necessary tight seal between the arcuate wall and the edges of the door leaves will be absent through part of the passage of the door. - In a revolving door with a diameter of 2000 mm, the maximum acceptable width of the glass strips in the panels according to the invention is 17.5 cm, a width not exceeding 15.5 cm being preferred. In a (motorized) revolving door having a diameter of 4.80 meters, the maximum acceptable width of the glass strips in the panels according to the invention is 310 mm, and the preferred width is 240 mm or less.
- Several modifications may be introduced in relation to the above-described, preferred embodiment of the invention without departing from the idea and scope thereof, as expressed in the appended claims.
- For instance, it is possible to use tempered or even annealed glass instead of laminated glass, it is possible to have the long edges of the glass strips ground to accurate shape for fitting in the frame, and the glass mounted to the frame without sealer or with a rigid adhesive; or the sealing of the joints between adjacent strips may be carried out at the mounting site. Sealing of the panels with the strips of glass placed in one plane, leaving the seals unstressed during transportation and stressed when mounted, is another possible modification.
Claims (5)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
AT82109942T ATE21144T1 (en) | 1981-10-29 | 1982-10-27 | APPROXIMATELY ARCH-SHAPED, TRANSPARENT WALL OF REVOLVING DOORS. |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US31652081A | 1981-10-29 | 1981-10-29 | |
US316520 | 1981-10-29 |
Publications (3)
Publication Number | Publication Date |
---|---|
EP0078504A2 EP0078504A2 (en) | 1983-05-11 |
EP0078504A3 EP0078504A3 (en) | 1983-06-08 |
EP0078504B1 true EP0078504B1 (en) | 1986-07-30 |
Family
ID=23229394
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP82109942A Expired EP0078504B1 (en) | 1981-10-29 | 1982-10-27 | Approximately arcuate transparent wall partially enclosing a revolving door |
Country Status (5)
Country | Link |
---|---|
EP (1) | EP0078504B1 (en) |
AT (1) | ATE21144T1 (en) |
DE (1) | DE3272355D1 (en) |
HK (1) | HK104288A (en) |
SG (1) | SG38488G (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE4220477A1 (en) * | 1992-06-25 | 1994-01-13 | Dorma Gmbh & Co Kg | Arc-shaped, transparent drum wall for carousel door - comprises bent, rectangularly shaped glass strips which are only produced in one dia. and can be used for all differing diameters of carousel doors |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE9202482U1 (en) * | 1992-02-26 | 1992-04-16 | Dorma Gmbh + Co. Kg, 5828 Ennepetal, De | |
FR2725744A1 (en) * | 1994-10-13 | 1996-04-19 | Atelier Construction Laplace | Safety barrier for curved balcony |
DE102014002969A1 (en) | 2014-03-06 | 2015-09-10 | Röhm Gmbh | chuck |
CN113021919B (en) * | 2021-04-01 | 2022-12-06 | 永州市湘源玻璃制品有限公司 | Stable laminating instrument of cavity glass sealing strip |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2294792A (en) * | 1938-05-11 | 1942-09-01 | Pittsburgh Plate Glass Co | Door construction |
US2352420A (en) * | 1943-11-26 | 1944-06-27 | Winters Leo | Flexible wall or partition |
BE559552A (en) * | 1957-10-22 | 1957-08-14 | ||
DE7127708U (en) * | 1971-07-20 | 1972-02-17 | Eich A | Device for the mass production of large-format wall elements |
IT1083997B (en) * | 1976-01-30 | 1985-05-25 | Pretini Gisberto | DRUM DOOR DEFINED BY ROTATING COMPARTMENTS COMBINABLE WITH A WEAPON DETECTOR FOR ANTI-THEFT AND ANTI-STITCHING PROTECTION SYSTEMS |
DE2901371A1 (en) * | 1979-01-15 | 1980-07-31 | Walmue Badeoefen Christian Wal | Movable wall for closing shower cubicle access - comprises pref. translucent plastics sections hinged together at sides |
IT1165214B (en) * | 1979-06-11 | 1987-04-22 | Calandritti R | ANTI-THEFT DEVICE USING A COMPASS WITH REVOLVING DOOR |
-
1982
- 1982-10-27 AT AT82109942T patent/ATE21144T1/en not_active IP Right Cessation
- 1982-10-27 DE DE8282109942T patent/DE3272355D1/en not_active Expired
- 1982-10-27 EP EP82109942A patent/EP0078504B1/en not_active Expired
-
1988
- 1988-06-16 SG SG384/88A patent/SG38488G/en unknown
- 1988-12-22 HK HK1042/88A patent/HK104288A/en unknown
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE4220477A1 (en) * | 1992-06-25 | 1994-01-13 | Dorma Gmbh & Co Kg | Arc-shaped, transparent drum wall for carousel door - comprises bent, rectangularly shaped glass strips which are only produced in one dia. and can be used for all differing diameters of carousel doors |
Also Published As
Publication number | Publication date |
---|---|
EP0078504A3 (en) | 1983-06-08 |
SG38488G (en) | 1989-05-26 |
DE3272355D1 (en) | 1986-09-04 |
HK104288A (en) | 1988-12-30 |
EP0078504A2 (en) | 1983-05-11 |
ATE21144T1 (en) | 1986-08-15 |
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