GB898042A - Bending of glass sheets - Google Patents

Bending of glass sheets

Info

Publication number
GB898042A
GB898042A GB16595/60A GB1659560A GB898042A GB 898042 A GB898042 A GB 898042A GB 16595/60 A GB16595/60 A GB 16595/60A GB 1659560 A GB1659560 A GB 1659560A GB 898042 A GB898042 A GB 898042A
Authority
GB
United Kingdom
Prior art keywords
bending
glass
sheet
axis
tempering
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
Application number
GB16595/60A
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
PPG Industries Inc
Original Assignee
Pittsburgh Plate Glass Co
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Pittsburgh Plate Glass Co filed Critical Pittsburgh Plate Glass Co
Publication of GB898042A publication Critical patent/GB898042A/en
Expired legal-status Critical Current

Links

Classifications

    • 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
    • C03B23/0258—Gravity bending involving applying local or additional heating, cooling or insulating means
    • 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
    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
    • C03B27/00—Tempering or quenching glass products
    • C03B27/04—Tempering or quenching glass products using gas
    • C03B27/044—Tempering or quenching glass products using gas for flat or bent glass sheets being in a horizontal position
    • C03B27/0442—Tempering or quenching glass products using gas for flat or bent glass sheets being in a horizontal position for bent glass sheets
    • C03B27/0447—Tempering or quenching glass products using gas for flat or bent glass sheets being in a horizontal position for bent glass sheets the quench unit being variably adaptable to the bend of the sheet

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Organic Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Re-Forming, After-Treatment, Cutting And Transporting Of Glass Products (AREA)

Abstract

898,042. Bending and tempering glass sheets. PITTSBURGH PLATE GLASS CO. May 11, 1960 [May 18, 1959], No. 16595/60. Class 56. In the bending of glass sheets 11 having a substantially flat main portion 60 and an end portion 62 bent about an axis 64-64 oblique to the longitudinal axis of its main portion, the unbent sheet 11 is supported in bending relation to a shaping surface 34, 38, conveyed along a linear path 56 of movement through a hot atmosphere in zone 18 to soften the glass, force is applied to the softened sheet to help conform the sheet to the surface 34, 38, the glass sheet 11 being originally supported in a horizontal plane and oriented during the bending step so that its oblique bending axis 64-64 is parallel to the linear path 56 of movement. The bending mould 32, 36 with surfaces 34, 38 is mounted by means of saddles 33 which rest loosely on diagonal support rails 15 forming part of a carriage 14 which has runners 26 riding on stub rollers 16 for conveyance through the bending furnace 18, a tempering station 20 and cooling and unloading stations 22, 24. The bending mould parts 32, 36 are connected by hinges 40 and the upward force to move end part 36 is provided by counterweight lever arms 42 pivotable about hinges 40 to a stop 43. The end part 62 is given a generally conical curve thereby. The glass is located by spaced fingers 37 and end and side stops 44, 47. Upper and lower heaters 28 (not shown), 30 are provided to radiate heat on to the glass sheets in a non-uniform pattern transversely of the path 56 and at least one overhead heater 29 (not shown) and bottom heater 31 is energized more than the remaining heaters to give a line of maximum heat along the line of the oblique axis 64-64. The sheets 11 are similarly orientated through the tempering station 20 at which the surfaces are exposed to opposing blasts of tempering fluid from orifices in nozzle members 48, 52 flanked by pivotable wing boxes 50, 54 which are positioned to give an elliptical crosssectional space 58.
GB16595/60A 1959-05-18 1960-05-11 Bending of glass sheets Expired GB898042A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US814081A US3162520A (en) 1959-05-18 1959-05-18 Treating glass sheets

Publications (1)

Publication Number Publication Date
GB898042A true GB898042A (en) 1962-06-06

Family

ID=25214129

Family Applications (1)

Application Number Title Priority Date Filing Date
GB16595/60A Expired GB898042A (en) 1959-05-18 1960-05-11 Bending of glass sheets

Country Status (4)

Country Link
US (1) US3162520A (en)
DE (1) DE1131852B (en)
FR (1) FR1258529A (en)
GB (1) GB898042A (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3238043C1 (en) * 1982-10-14 1983-09-29 Flachglas AG, 8510 Fürth Device for tempering a glass pane
US4983202A (en) * 1990-02-27 1991-01-08 Libbey-Owens-Ford Co. Glass sheet heating furnace and method of using
WO2002024593A1 (en) * 2000-09-21 2002-03-28 Glasstech, Inc. Glass sheet articulated quench ring assembly
ES2463469T3 (en) * 2000-09-21 2014-05-28 Glasstech, Inc. Articulated glass sheet forming mold

Family Cites Families (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA532429A (en) * 1956-10-30 Libbey-Owens-Ford Glass Company Glass bending apparatus
CA563801A (en) * 1958-09-23 V. Black Lloyd Apparatus for bending glass
US2736140A (en) * 1956-02-28 black
BE430319A (en) * 1937-09-25
US2240349A (en) * 1938-10-14 1941-04-29 Frank W Preston Method of and apparatus for making structural glass
US2536905A (en) * 1946-07-22 1951-01-02 Bird George William Terence Apparatus for bending and tempering sheets of glass
FR1006014A (en) * 1947-10-29 1952-04-18 Saint Gobain Cutting improvement in the continuous production of flat glass
FR1006348A (en) * 1947-12-22 1952-04-22 Saint Gobain Further training in the manufacture of glass objects
US2551606A (en) * 1948-05-28 1951-05-08 Libbey Owens Ford Glass Co Glass bending apparatus and method
BE490736A (en) * 1948-08-30
US2646647A (en) * 1948-09-10 1953-07-28 Libbey Owens Ford Glass Co Process and apparatus for bending and tempering glass
US2674067A (en) * 1948-09-22 1954-04-06 Saint Gobain Process for shaping glass articles
US2677918A (en) * 1949-04-29 1954-05-11 Saint Gobain Apparatus for bending and tempering sheets of glass
US2805520A (en) * 1952-06-10 1957-09-10 Pittsburgh Plate Glass Co Method for bending and tempering glass
US2876594A (en) * 1954-02-01 1959-03-10 Pittsburgh Plate Glass Co Apparatus for bending glass and other heat-softened materials
US2876595A (en) * 1954-06-21 1959-03-10 Pittsburgh Plate Glass Co Glass bending molds
LU33391A1 (en) * 1954-10-27
LU34672A1 (en) * 1955-10-07

Also Published As

Publication number Publication date
US3162520A (en) 1964-12-22
FR1258529A (en) 1961-04-14
DE1131852B (en) 1962-06-20

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