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IE33610B1 - Improvements in or relating to laminated glass units - Google Patents

Improvements in or relating to laminated glass units

Info

Publication number
IE33610B1
IE33610B1 IE1453/69A IE145369A IE33610B1 IE 33610 B1 IE33610 B1 IE 33610B1 IE 1453/69 A IE1453/69 A IE 1453/69A IE 145369 A IE145369 A IE 145369A IE 33610 B1 IE33610 B1 IE 33610B1
Authority
IE
Ireland
Prior art keywords
toughened
central tensile
sheet
laminated
tensile stress
Prior art date
Application number
IE1453/69A
Other versions
IE33610L (en
Original Assignee
Pilkington Brothers Ltd
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 Pilkington Brothers Ltd filed Critical Pilkington Brothers Ltd
Publication of IE33610L publication Critical patent/IE33610L/en
Publication of IE33610B1 publication Critical patent/IE33610B1/en

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B17/00—Layered products essentially comprising sheet glass, or glass, slag, or like fibres
    • B32B17/06—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material
    • B32B17/10—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material of synthetic resin
    • B32B17/10005—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material of synthetic resin laminated safety glass or glazing
    • B32B17/10009—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material of synthetic resin laminated safety glass or glazing characterized by the number, the constitution or treatment of glass sheets
    • B32B17/10082—Properties of the bulk of a glass sheet
    • B32B17/10091—Properties of the bulk of a glass sheet thermally hardened
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B17/00—Layered products essentially comprising sheet glass, or glass, slag, or like fibres
    • B32B17/06—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material
    • B32B17/10—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material of synthetic resin
    • B32B17/10005—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material of synthetic resin laminated safety glass or glazing
    • B32B17/10009—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material of synthetic resin laminated safety glass or glazing characterized by the number, the constitution or treatment of glass sheets
    • B32B17/10036—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material of synthetic resin laminated safety glass or glazing characterized by the number, the constitution or treatment of glass sheets comprising two outer glass sheets
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B17/00—Layered products essentially comprising sheet glass, or glass, slag, or like fibres
    • B32B17/06—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material
    • B32B17/10—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material of synthetic resin
    • B32B17/10005—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material of synthetic resin laminated safety glass or glazing
    • B32B17/1055—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material of synthetic resin laminated safety glass or glazing characterized by the resin layer, i.e. interlayer
    • B32B17/10761—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material of synthetic resin laminated safety glass or glazing characterized by the resin layer, i.e. interlayer containing vinyl acetal

Landscapes

  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Joining Of Glass To Other Materials (AREA)
  • Laminated Bodies (AREA)

Abstract

1283695 Laminated windscreens PILKING- TON BROS Ltd R MELLING A J NOBBS and A LEFF 29 Oct 1969 [31 Oct 1968] 51746/68 Heading B5N [Also in Division C1] A laminated windscreen comprises two sheets of glass of thickness 0À5-3 mm. laminated with a transparent plastics interlayer, e.g. of polyvinylbutyral, the inner sheet being toughened to provide a central tensile stress of 420-1120 kg./cm.<SP>2</SP>, and the outer sheet being annealed or toughened to produce a central tensile stress of 420-560 kg./cm.<SP>2</SP>. Examples of preferred thicknesses and central tensile stresses for the toughened sheet(s) are given. The toughened sheet(s) may have a modulus of rupture of 1600- 2100 kg./cm.<SP>2</SP> and the ratio of surface compressive stress to central tensile stress may be 2 : 1. Toughening is carried out by heating the glass to near its softening point, e.g. 600- 750‹ C., chilling the surfaces by 60-80‹ C. by means of a gaseous medium, and contacting with a liquid chilling medium at 45-100‹ C., e.g. an oil or tin or tin alloy bath. Specification 1,253,681 is referred to. [GB1283695A]
IE1453/69A 1968-10-31 1969-10-24 Improvements in or relating to laminated glass units IE33610B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB51746/68A GB1283695A (en) 1968-10-31 1968-10-31 Improvements in or relating to laminated glass units

Publications (2)

Publication Number Publication Date
IE33610L IE33610L (en) 1970-04-30
IE33610B1 true IE33610B1 (en) 1974-09-04

Family

ID=10461216

Family Applications (1)

Application Number Title Priority Date Filing Date
IE1453/69A IE33610B1 (en) 1968-10-31 1969-10-24 Improvements in or relating to laminated glass units

Country Status (11)

Country Link
AT (1) AT308308B (en)
BE (1) BE741115A (en)
CH (1) CH543458A (en)
DE (1) DE1954920C3 (en)
DK (1) DK144245C (en)
FI (1) FI50704C (en)
FR (1) FR2022074A1 (en)
GB (1) GB1283695A (en)
IE (1) IE33610B1 (en)
LU (1) LU59735A1 (en)
ZA (1) ZA697584B (en)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1500099A (en) * 1975-09-09 1978-02-08 Asahi Glass Co Ltd Laminated glass windshield and method of making same
DE2840834C3 (en) * 1978-09-20 1982-03-25 Bfg Glassgroup, Paris Device for pretensioning the upper of the two simultaneously bent individual panes of a composite safety pane in the bending furnace
LU87241A1 (en) * 1988-06-15 1990-02-28 Glaverbel METHOD FOR INCREASING THE PENETRATION RESISTANCE THROUGH A GLAZED BAY AND GLAZING WITH STRENGTHENED BREAKING RESISTANCE
DE9219039U1 (en) * 1992-02-10 1997-06-05 SEKURIT SAINT-GOBAIN Deutschland GmbH & Co. KG, 52066 Aachen Height-adjustable side glass pane for motor vehicles
WO2015031148A1 (en) * 2013-08-26 2015-03-05 Corning Incorporated Methods for localized annealing of chemically strengthened glass
NO2816961T3 (en) 2015-01-16 2018-03-31

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE657447C (en) * 1932-02-13 1938-03-04 Fritz Eckert Dr Laminated safety glass
US1976915A (en) * 1933-04-01 1934-10-16 Pittsburgh Plate Glass Co Safety glass
US2113767A (en) * 1936-07-18 1938-04-12 Du Pont Manufacture of laminated glass
CH225524A (en) * 1941-09-12 1943-02-15 Glasindustrie Vorm Friedr Siem Double pane.
FR1012699A (en) * 1950-02-11 1952-07-16 Aerazur Constr Aeronaut Safety and protective glass resistant to shocks and projectiles without loss of transparency
DE1034333B (en) * 1955-04-20 1958-07-17 Erwin W Wartenberg Process for toughening glasses by immersing the heated glass bodies in cooling baths
US2946711A (en) * 1957-12-11 1960-07-26 Du Pont Safety-glass laminate
FR1259550A (en) * 1960-03-18 1961-04-28 Saint Gobain Tempered glass sheet, usable in particular for the glazing of motor vehicles
NL278047A (en) * 1961-05-04
FR1374573A (en) * 1962-09-17 1964-10-09 Pittsburgh Plate Glass Co glass enclosures or walls
US3282772A (en) * 1965-06-28 1966-11-01 Libbey Owens Ford Glass Co Laminated glass
FR1522229A (en) * 1966-04-25 1968-04-26 Corning Glass Works Vehicle closing glass
CH480276A (en) * 1966-08-24 1969-10-31 Bayer Ag Composite safety pane

Also Published As

Publication number Publication date
DE1954920A1 (en) 1970-05-14
GB1283695A (en) 1972-08-02
BE741115A (en) 1970-04-30
LU59735A1 (en) 1970-01-12
DK144245C (en) 1982-06-28
FI50704B (en) 1976-03-01
ZA697584B (en) 1971-06-30
AT308308B (en) 1973-06-25
CH543458A (en) 1973-10-31
FI50704C (en) 1976-06-10
IE33610L (en) 1970-04-30
DE1954920B2 (en) 1972-09-21
DK144245B (en) 1982-01-25
DE1954920C3 (en) 1981-10-08
FR2022074A1 (en) 1970-07-24

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