GB1040492A - Method of producing pattern-cut bent glass sheets - Google Patents
Method of producing pattern-cut bent glass sheetsInfo
- Publication number
- GB1040492A GB1040492A GB19623/64A GB1962364A GB1040492A GB 1040492 A GB1040492 A GB 1040492A GB 19623/64 A GB19623/64 A GB 19623/64A GB 1962364 A GB1962364 A GB 1962364A GB 1040492 A GB1040492 A GB 1040492A
- Authority
- GB
- United Kingdom
- Prior art keywords
- sheet
- cut
- cooling
- bent
- compression
- 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
- C03B25/00—Annealing glass products
- C03B25/02—Annealing glass products in a discontinuous way
- C03B25/025—Glass sheets
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
- C03B23/00—Re-forming shaped glass
- C03B23/02—Re-forming glass sheets
- C03B23/023—Re-forming glass sheets by bending
- C03B23/025—Re-forming glass sheets by bending by gravity
- C03B23/027—Re-forming glass sheets by bending by gravity with moulds having at least two upward pivotable mould sections
Abstract
In the production of pattern-cut bent glass sheets the cut bent sheet is supported upon a shaped ring-type mould of a smaller size but of substantially similar outline, re-heated and then cooled whilst contact is maintained between the mould surfaces and a portion of the sheet spaced inwardly of its edge such that on cooling the marginal edge portions of the sheet are placed in compression. Initially a block-size sheet is bent in a conventional manner such that an area of the sheet, having an outline equivalent to that of the cut sheet, is placed in compression, so that on cooling the bent sheet may be cut, the cut being made through the centre of the compression zone. The pattern-cut bent sheet is then placed on the ring mould surfaces 53 (Figs. 4 and 5, not shown) and placed in a furnace for reheating. The edges of the sheet 54 overhang the mould such that on cooling an area of compression d is formed. The sheets are reheated to a temperature above 940 DEG F. (500 DEG C.) to relieve all stress therein but not sufficient to cause further bending. A predetermined gradient of tension may be created in the area of the sheet within the support surfaces 53 by using different thicknesses 56, 57, 58 of a perforated shield which extend between surfaces 53 below the glass, thus giving rise to different rates of cooling.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US283737A US3278287A (en) | 1963-05-28 | 1963-05-28 | Method of producing pattern-cut bent glass sheet |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB1040492A true GB1040492A (en) | 1966-08-24 |
Family
ID=23087338
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB19623/64A Expired GB1040492A (en) | 1963-05-28 | 1964-05-12 | Method of producing pattern-cut bent glass sheets |
Country Status (8)
| Country | Link |
|---|---|
| US (1) | US3278287A (en) |
| BE (1) | BE648369A (en) |
| DE (1) | DE1471876A1 (en) |
| ES (1) | ES300090A1 (en) |
| FR (1) | FR1394689A (en) |
| GB (1) | GB1040492A (en) |
| LU (1) | LU46172A1 (en) |
| NL (1) | NL6405865A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2232976A (en) * | 1989-03-22 | 1991-01-02 | Trend Aluminium Prod | Toughened, curved glass |
Families Citing this family (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3365285A (en) * | 1968-01-23 | Pittsburgh Plate Glass Co | Glass bending stress equalization method | |
| US3372015A (en) * | 1963-11-15 | 1968-03-05 | Pittsburgh Plate Glass Co | Method of and apparatus for equalizing the cooling of a glass sheet supported on a bending mold |
| GB1405663A (en) * | 1972-09-20 | 1975-09-10 | Pilkington Brothers Ltd | Cutting glass |
| GB1500099A (en) * | 1975-09-09 | 1978-02-08 | Asahi Glass Co Ltd | Laminated glass windshield and method of making same |
| FR2610316B1 (en) * | 1987-01-29 | 1992-11-13 | Saint Gobain Vitrage | CONTACT TEMPERED GLASS VOLUMES WITH REINFORCED EDGE CONSTRAINTS |
| US4983200A (en) * | 1989-09-13 | 1991-01-08 | Ppg Industries, Inc. | Glass shaping ring having a thermal insulating member and method of shaping glass sheets using same |
| US4979977A (en) * | 1989-09-18 | 1990-12-25 | Ppg Industries, Inc. | Bending iron having member to effect reverse bend and method of using same |
| WO2011096447A1 (en) * | 2010-02-03 | 2011-08-11 | 旭硝子株式会社 | Glass plate and method for manufacturing glass plate |
| EP2532625B1 (en) * | 2010-02-03 | 2019-01-02 | AGC Inc. | Method and device for gradually cooling glass plate |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| LU33416A1 (en) * | 1954-03-15 | |||
| BE535465A (en) * | 1954-10-27 |
-
1963
- 1963-05-28 US US283737A patent/US3278287A/en not_active Expired - Lifetime
-
1964
- 1964-05-12 GB GB19623/64A patent/GB1040492A/en not_active Expired
- 1964-05-21 FR FR975354A patent/FR1394689A/en not_active Expired
- 1964-05-21 ES ES300090A patent/ES300090A1/en not_active Expired
- 1964-05-25 BE BE648369D patent/BE648369A/xx unknown
- 1964-05-26 DE DE19641471876 patent/DE1471876A1/en active Pending
- 1964-05-26 NL NL6405865A patent/NL6405865A/xx unknown
- 1964-05-27 LU LU46172D patent/LU46172A1/xx unknown
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2232976A (en) * | 1989-03-22 | 1991-01-02 | Trend Aluminium Prod | Toughened, curved glass |
Also Published As
| Publication number | Publication date |
|---|---|
| NL6405865A (en) | 1964-11-30 |
| ES300090A1 (en) | 1964-09-01 |
| LU46172A1 (en) | 1965-11-27 |
| DE1471876A1 (en) | 1969-03-27 |
| FR1394689A (en) | 1965-04-02 |
| BE648369A (en) | 1964-11-25 |
| US3278287A (en) | 1966-10-11 |
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