IT8368219A0 - Procedimento ed apparecchiatura per sagomare lastre di vetro e stampo di contorno od elemento ad anello utilizzato nel procedimento e facente parte dell apparecchiatura - Google Patents

Procedimento ed apparecchiatura per sagomare lastre di vetro e stampo di contorno od elemento ad anello utilizzato nel procedimento e facente parte dell apparecchiatura

Info

Publication number
IT8368219A0
IT8368219A0 IT8368219A IT6821983A IT8368219A0 IT 8368219 A0 IT8368219 A0 IT 8368219A0 IT 8368219 A IT8368219 A IT 8368219A IT 6821983 A IT6821983 A IT 6821983A IT 8368219 A0 IT8368219 A0 IT 8368219A0
Authority
IT
Italy
Prior art keywords
procedure
equipment
forming part
element used
ring element
Prior art date
Application number
IT8368219A
Other languages
English (en)
Other versions
IT1159637B (it
Inventor
Samuel Lansing Seymour
Original Assignee
Ppg Industries Inc
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 Ppg Industries Inc filed Critical Ppg Industries Inc
Publication of IT8368219A0 publication Critical patent/IT8368219A0/it
Application granted granted Critical
Publication of IT1159637B publication Critical patent/IT1159637B/it

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
    • C03B23/035—Re-forming glass sheets by bending using a gas cushion or by changing gas pressure, e.g. by applying vacuum or blowing for supporting the glass while bending
    • C03B23/0352—Re-forming glass sheets by bending using a gas cushion or by changing gas pressure, e.g. by applying vacuum or blowing for supporting the glass while bending by suction or blowing out for providing the deformation force to bend the glass sheet
    • C03B23/0357—Re-forming glass sheets by bending using a gas cushion or by changing gas pressure, e.g. by applying vacuum or blowing for supporting the glass while bending by suction or blowing out for providing the deformation force to bend the glass sheet by suction without blowing, e.g. with vacuum or by venturi effect
    • 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
    • C03B23/0256—Gravity bending accelerated by applying mechanical forces, e.g. inertia, weights or local forces
    • 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
    • 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
    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
    • C03B40/00—Preventing adhesion between glass and glass or between glass and the means used to shape it, hold it or support it
    • C03B40/005—Fabrics, felts or loose covers

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Organic Chemistry (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Re-Forming, After-Treatment, Cutting And Transporting Of Glass Products (AREA)
IT68219/83A 1982-11-22 1983-11-21 Procedimento ed apparecchiatura per sagomare lastre di vetro e stampo di contorno od elemento ad anello utilizzato nel procedimento e facente parte dell'apparecchiatura IT1159637B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US06/443,258 US4470837A (en) 1982-11-22 1982-11-22 Split ring-like support member of adjustable length for shaping glass sheets

Publications (2)

Publication Number Publication Date
IT8368219A0 true IT8368219A0 (it) 1983-11-21
IT1159637B IT1159637B (it) 1987-03-04

Family

ID=23760061

Family Applications (1)

Application Number Title Priority Date Filing Date
IT68219/83A IT1159637B (it) 1982-11-22 1983-11-21 Procedimento ed apparecchiatura per sagomare lastre di vetro e stampo di contorno od elemento ad anello utilizzato nel procedimento e facente parte dell'apparecchiatura

Country Status (4)

Country Link
US (1) US4470837A (it)
CA (1) CA1204939A (it)
FR (1) FR2536384B1 (it)
IT (1) IT1159637B (it)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4746348A (en) * 1986-12-29 1988-05-24 Ppg Industries, Inc. Horizontal press bending apparatus and method
US4877437A (en) * 1988-04-29 1989-10-31 Glasstech International L.P. Vacuum platen for sharp bends
US5383950A (en) * 1993-10-04 1995-01-24 Ford Motor Company Apparatus for supporting a glass sheet during a tempering process
DE19725189C1 (de) * 1997-06-14 1998-11-26 Sekurit Saint Gobain Deutsch Vorrichtung zum Biegen von Glasscheiben
US20050092028A1 (en) * 2003-11-05 2005-05-05 William Blanc Light weight gravity bending ring
US11065960B2 (en) 2017-09-13 2021-07-20 Corning Incorporated Curved vehicle displays
TWI772569B (zh) * 2017-11-30 2022-08-01 美商康寧公司 用於真空成形非球面鏡的系統與方法

Family Cites Families (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2176999A (en) * 1937-04-27 1939-10-24 Pittsburgh Plate Glass Co Process and apparatus for bending glass sheets
US2876594A (en) * 1954-02-01 1959-03-10 Pittsburgh Plate Glass Co Apparatus for bending glass and other heat-softened materials
US2977719A (en) * 1954-07-28 1961-04-04 Pittsburgh Plate Glass Co Bending mold
US2857713A (en) * 1955-09-01 1958-10-28 Pilkington Brothers Ltd Apparatus for use in bending flat glass
US3192029A (en) * 1958-01-24 1965-06-29 Pittsburgh Plate Glass Co Apparatus for bending glass sheets with intermediate finger support
BE633358A (it) * 1962-06-07
US3484226A (en) * 1966-08-25 1969-12-16 Ppg Industries Inc Outline mold for supporting glass sheets
US3762903A (en) * 1971-04-20 1973-10-02 Libbey Owens Ford Co Process for bending glass to a relatively sharp angle
US3741743A (en) * 1972-07-31 1973-06-26 S Seymour Glass sheet shaping frame
US3762904A (en) * 1972-08-23 1973-10-02 Libbey Owens Ford Co Process for bending a glass sheet to a relatively sharp angle
US3973943A (en) * 1975-03-12 1976-08-10 Ppg Industries, Inc. Apparatus for supporting shaped glass sheets for tempering
CA1102135A (en) * 1976-08-23 1981-06-02 Willie G. Deangelis Bending glass sheets
US4185986A (en) * 1978-10-25 1980-01-29 Ppg Industries, Inc. Apparatus for handling glass sheets during shaping and cooling
US4229200A (en) * 1979-06-01 1980-10-21 Ppg Industries, Inc. Drop forming glass sheets with auxiliary shaping means
US4252552A (en) * 1979-09-25 1981-02-24 Ppg Industries, Inc. Shaping glass sheets using molds of different shapes
US4277276A (en) * 1980-03-17 1981-07-07 Ppg Industries, Inc. Method and apparatus for shaping glass sheets using deformable vacuum mold
US4331464A (en) * 1981-03-02 1982-05-25 Ppg Industries, Inc. Glass sheet support of ring-like configuration

Also Published As

Publication number Publication date
CA1204939A (en) 1986-05-27
FR2536384B1 (fr) 1987-04-17
IT1159637B (it) 1987-03-04
US4470837A (en) 1984-09-11
FR2536384A1 (fr) 1984-05-25

Similar Documents

Publication Publication Date Title
IT1173852B (it) Procedimento ed apparecchiatura per la realizzazione di pezzi
IT1119967B (it) Procedimento e dispositivo per la produzione di lastre di vetro di desiderata sagoma curva
IT1105539B (it) Dispositivo e procedimento per la identificazione dello stampo originatore nella produzione di oggetti in vetro stampato
IT1090032B (it) Perfezionamento nei procedimenti e dispositivi per la produzione di vetro in lastre
IT8349249A0 (it) Metodo e dispositivo per la fabbricazione di oggetti metallici non allergizzanti
IT8567573A0 (it) Stampo e procedimento per la produzione di guarnizioni di tenuta composite
IT8448622A0 (it) Dispositivo per la produzione di blocchi o forme di cialda
IT8368219A0 (it) Procedimento ed apparecchiatura per sagomare lastre di vetro e stampo di contorno od elemento ad anello utilizzato nel procedimento e facente parte dell apparecchiatura
IT1151841B (it) Stampo per la formatura di articoli concatenati ed articoli ottenuti mediante tale stampo
IT8467425A0 (it) Procedimento per la formatura di pezzi metallici mediante colata apressione e pezzo ottenuto tramitetale procedimento
ES551895A0 (es) Metodo para la fabricacion de moldes
IT1122940B (it) Metodo ed apparato per la fabbricazione di corpi fusiformi
IT8067928A0 (it) Procedimento e materiale di tamponamento per la produzione di getti metallici
IT1191115B (it) Procedimento per realizzare forme mediante sabbia o una qualsiasi miscela di particelle di materiale di base con colpo di pressione
IT1135415B (it) Metodo e apparecchiatura per la formatura di stampi formatori di vetro
IT1170732B (it) Cappuccetto cervicale contraccettivo e procedimento per la sua produzione
IT1106237B (it) Procedimento ed ugello per la produzione di vetro in lastre
GB2103216B (en) Process for the preparation of n-substituted methacrylamides and acrylamides
IT1136856B (it) Procedimento per la produzione di particelle di gel ed apparecchiatura per l'attuazione di detto procedimento
IT1174638B (it) Procedimento per la produzione di cavita' in blocchi di tondo di acciaio
ES518367A0 (es) Procedimiento para la fabricacion de productos ceramicos vidriados y decorados
IT8240111A0 (it) Stampo perfezionato per la foggiatura di piastrelle e simili
IT8249248A0 (it) Procedimento per la produzione dicorpi sagomati ceramici
MX7512E (es) Mejoras en metodo y aparato para la produccion de cemento
IT8368181A0 (it) Procedimento ed apparecchiatura per la fabbricazione di forme da fonderia

Legal Events

Date Code Title Description
TA Fee payment date (situation as of event date), data collected since 19931001

Effective date: 19971125