GB506723A - Improvements in or relating to the tempering of glass sheets - Google Patents
Improvements in or relating to the tempering of glass sheetsInfo
- Publication number
- GB506723A GB506723A GB2345637A GB2345637A GB506723A GB 506723 A GB506723 A GB 506723A GB 2345637 A GB2345637 A GB 2345637A GB 2345637 A GB2345637 A GB 2345637A GB 506723 A GB506723 A GB 506723A
- Authority
- GB
- United Kingdom
- Prior art keywords
- sheet
- cradles
- abutments
- glass
- supported
- 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
Classifications
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
- C03B35/00—Transporting of glass products during their manufacture, e.g. hot glass lenses, prisms
- C03B35/14—Transporting hot glass sheets or ribbons, e.g. by heat-resistant conveyor belts or bands
- C03B35/20—Transporting hot glass sheets or ribbons, e.g. by heat-resistant conveyor belts or bands by gripping tongs or supporting frames
- C03B35/202—Transporting hot glass sheets or ribbons, e.g. by heat-resistant conveyor belts or bands by gripping tongs or supporting frames by supporting frames
- C03B35/205—Transporting hot glass sheets or ribbons, e.g. by heat-resistant conveyor belts or bands by gripping tongs or supporting frames by supporting frames the glass sheets being in a vertical position
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Joining Of Glass To Other Materials (AREA)
Abstract
506,723. Tempering glass; cradles for lifting and lowering. GILT EDGE SAFETY GLASS, Ltd, GROTEFELD, A. W., and SHAW, J. J. Aug. 26, 1937, No. 23456. [Class 58] [Also in Group XXX] A device for supporting a glass sheet during tempering comprises a number of spaced abutments which are adapted to engage directly the periphery of the sheet without deforming it, the abutments being spaced apart along the sheet and'connected together movably in such a way that the supporting pressures applied to the sheet during the heating-operation are substantially equal for each abutment. The suspension devices may consist of cradles 30, Fig. 2, each composed of a pair of rods or wires 31 joined by a connecting piece 32 and provided with a slotted metal strip or abutment 33 for supporting the lower edge of the glass sheet. The upper edge of the sheet is supported by a similar strip 37 which is slidable along the wires 31. The connecting piece 32 is supported by a screw 39, which is pivoted by a pin 40 to a strip 29 that forms part of a movable carrier 28. In use, the sheet is placed in the cradles, as shown, and its position is adjusted so that the abutments 33 are symmetrical in relation to the centre of gravity of the sheet. The cradles can move relatively to one another in the plane of the sheet to compensate for any distortion of a cradle that may occur during heating. The abutments may be formed of porcelain or of other material of low thermal conductivity if desired. The cradles may be connected to the ends of a lever 45, Fig. 4, which is suspended at its centre from the bar 29 by means of a turn buckle 46. With larger sheets of glass, more than two cradles are used, pairs of cradles being supported'from levers 45 which, in turn, may be supported by secondary levers, a number of arrangements being shown as described in the Specification. A balance weight may be used with some arrangements to ensure equality of the pressures exerted by the abutments. The invention may be used with methods and apparatus described in Specifications 449,602, 449,864, 473,065, 473,066, and 506,724. Specification 506,787 also is referred to.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB2345637A GB506723A (en) | 1937-08-26 | 1937-08-26 | Improvements in or relating to the tempering of glass sheets |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB2345637A GB506723A (en) | 1937-08-26 | 1937-08-26 | Improvements in or relating to the tempering of glass sheets |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB506723A true GB506723A (en) | 1939-05-26 |
Family
ID=10195915
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB2345637A Expired GB506723A (en) | 1937-08-26 | 1937-08-26 | Improvements in or relating to the tempering of glass sheets |
Country Status (1)
| Country | Link |
|---|---|
| GB (1) | GB506723A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2710493A (en) * | 1951-11-29 | 1955-06-14 | Blue Ridge Glass Corp | Apparatus for suspending flat glass during heat treatment |
| FR2391963A1 (en) * | 1977-05-23 | 1978-12-22 | Ppg Industries Inc | GLASS PLATE TAKING PLIERS DURING PROCESSING |
| GB2324517A (en) * | 1997-04-22 | 1998-10-28 | Kamal Neckoula | A method of lifting using chair links |
| US11427494B2 (en) | 2016-02-11 | 2022-08-30 | Vosstech As | Tempering furnace and method for tempering a glass object |
-
1937
- 1937-08-26 GB GB2345637A patent/GB506723A/en not_active Expired
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2710493A (en) * | 1951-11-29 | 1955-06-14 | Blue Ridge Glass Corp | Apparatus for suspending flat glass during heat treatment |
| FR2391963A1 (en) * | 1977-05-23 | 1978-12-22 | Ppg Industries Inc | GLASS PLATE TAKING PLIERS DURING PROCESSING |
| GB2324517A (en) * | 1997-04-22 | 1998-10-28 | Kamal Neckoula | A method of lifting using chair links |
| GB2324517B (en) * | 1997-04-22 | 2000-10-25 | Kamal Neckoula | Lifting chair and method of lifting |
| US11427494B2 (en) | 2016-02-11 | 2022-08-30 | Vosstech As | Tempering furnace and method for tempering a glass object |
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