GB512159A - Improvements in and relating to apparatus for producing ground and polished glass strip - Google Patents
Improvements in and relating to apparatus for producing ground and polished glass stripInfo
- Publication number
- GB512159A GB512159A GB983638A GB983638A GB512159A GB 512159 A GB512159 A GB 512159A GB 983638 A GB983638 A GB 983638A GB 983638 A GB983638 A GB 983638A GB 512159 A GB512159 A GB 512159A
- Authority
- GB
- United Kingdom
- Prior art keywords
- strip
- grinding
- tools
- polishing
- edges
- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B9/00—Machines or devices designed for grinding edges or bevels on work or for removing burrs; Accessories therefor
- B24B9/02—Machines or devices designed for grinding edges or bevels on work or for removing burrs; Accessories therefor characterised by a special design with respect to properties of materials specific to articles to be ground
- B24B9/06—Machines or devices designed for grinding edges or bevels on work or for removing burrs; Accessories therefor characterised by a special design with respect to properties of materials specific to articles to be ground of non-metallic inorganic material, e.g. stone, ceramics, porcelain
- B24B9/08—Machines or devices designed for grinding edges or bevels on work or for removing burrs; Accessories therefor characterised by a special design with respect to properties of materials specific to articles to be ground of non-metallic inorganic material, e.g. stone, ceramics, porcelain of glass
- B24B9/10—Machines or devices designed for grinding edges or bevels on work or for removing burrs; Accessories therefor characterised by a special design with respect to properties of materials specific to articles to be ground of non-metallic inorganic material, e.g. stone, ceramics, porcelain of glass of plate glass
- B24B9/102—Machines or devices designed for grinding edges or bevels on work or for removing burrs; Accessories therefor characterised by a special design with respect to properties of materials specific to articles to be ground of non-metallic inorganic material, e.g. stone, ceramics, porcelain of glass of plate glass for travelling sheets
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Ceramic Engineering (AREA)
- Inorganic Chemistry (AREA)
- Mechanical Engineering (AREA)
- Grinding Of Cylindrical And Plane Surfaces (AREA)
- Grinding And Polishing Of Tertiary Curved Surfaces And Surfaces With Complex Shapes (AREA)
Abstract
512,159. Grinding and polishing glass. PILKINGTON BROS., Ltd., WALDRON, F. B., and GRIFFIN, J. H. March 31, 1938, No. 9836. [Class 60] In apparatus for producing a ground and polished strip of glass from a supply of molten glass, means are provided for treating the edges of the strip to prevent breakage of the strip by the grinding-tools and to avoid cutting or scraping of the polishing-felts. Molten glass 1 issues from a tank 2 and is formed into a strip 3 by rolling apparatus 4. The strip then passes through a lehr 5 to'grinding-tools 6, operating on both surfaces of the strip, and from the tools 6 to polishing-tools 7. The strip, as it is formed, may have curled edges 19 on its upper or lower face, and to avoid breakage of the strip by the first grinding-tool, the edges of the strip may be cut off, leaving a rectangular edge 9 with sharp corners 10. After grinding down to the lines 11, the corners are still sharp, and to avoid injury to the polishing-felts, the corners are bevelled as at 12 to a depth below the lines 11 by means of face grinding-discs 17 mounted adjustably with driving motors 14 on a frame 16, which may be placed at any point before the polishing- apparatus. When the edges of the strip are not cut, the curled edges 19 are ground down by discs 17 substantially to the line 20, Fig. 3, which may form a slightly bevelled edge. The sharp corners 21 are then bevelled by further grinding- tools as. described above; alternatively the part 19 may be ground by one tool to form bevelled surface 22 extending below the line 11, Fig. 7.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB983638A GB512159A (en) | 1938-03-31 | 1938-03-31 | Improvements in and relating to apparatus for producing ground and polished glass strip |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB983638A GB512159A (en) | 1938-03-31 | 1938-03-31 | Improvements in and relating to apparatus for producing ground and polished glass strip |
Publications (1)
Publication Number | Publication Date |
---|---|
GB512159A true GB512159A (en) | 1939-08-30 |
Family
ID=9879698
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB983638A Expired GB512159A (en) | 1938-03-31 | 1938-03-31 | Improvements in and relating to apparatus for producing ground and polished glass strip |
Country Status (1)
Country | Link |
---|---|
GB (1) | GB512159A (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP1314513A2 (en) * | 2001-11-22 | 2003-05-28 | Lenhardt Maschinenbau GmbH | Apparatus for trimming of glass plates |
EP3290153A1 (en) * | 2016-08-25 | 2018-03-07 | Shin-Etsu Chemical Co., Ltd. | Rectangular glass substrate and method for preparing the same |
-
1938
- 1938-03-31 GB GB983638A patent/GB512159A/en not_active Expired
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP1314513A2 (en) * | 2001-11-22 | 2003-05-28 | Lenhardt Maschinenbau GmbH | Apparatus for trimming of glass plates |
EP1314513A3 (en) * | 2001-11-22 | 2004-06-09 | Lenhardt Maschinenbau GmbH | Apparatus for trimming of glass plates |
EP3290153A1 (en) * | 2016-08-25 | 2018-03-07 | Shin-Etsu Chemical Co., Ltd. | Rectangular glass substrate and method for preparing the same |
US10829411B2 (en) | 2016-08-25 | 2020-11-10 | Shin-Etsu Chemical Co., Ltd. | Rectangular glass substrate and method for preparing the same |
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