GB1149702A – Apparatus for shaping glass sheets
– Google Patents
GB1149702A – Apparatus for shaping glass sheets
– Google Patents
Apparatus for shaping glass sheets
Info
Publication number
GB1149702A
GB1149702A
GB4516767A
GB4516767A
GB1149702A
GB 1149702 A
GB1149702 A
GB 1149702A
GB 4516767 A
GB4516767 A
GB 4516767A
GB 4516767 A
GB4516767 A
GB 4516767A
GB 1149702 A
GB1149702 A
GB 1149702A
Authority
GB
United Kingdom
Prior art keywords
shaping
glass
sheet
cover
fabric
Prior art date
1966-11-16
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
GB4516767A
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
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.)
1966-11-16
Filing date
1967-10-04
Publication date
1969-04-23
1967-10-04
Application filed by PPG Industries Inc
filed
Critical
PPG Industries Inc
1969-04-23
Publication of GB1149702A
publication
Critical
patent/GB1149702A/en
Status
Expired
legal-status
Critical
Current
Links
Espacenet
Global Dossier
Discuss
Classifications
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
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
C03B23/03—Re-forming glass sheets by bending by press-bending between shaping moulds
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
C03B23/03—Re-forming glass sheets by bending by press-bending between shaping moulds
C03B23/031—Re-forming glass sheets by bending by press-bending between shaping moulds the glass sheets being in a vertical position
Abstract
1,149,702. Apparatus for shaping glass sheets. P.P.G. INDUSTRIES Inc. 4 Oct., 1967 [16 Nov., 1966], No. 45167/67. Heading C1M. An apparatus for shaping heat-softened glass sheets which comprises a glass shaping member, having a shaping surface which is rigid compared to a heat-softened sheet to be shaped and which is formed to the final shape desired for the glass sheet, and a cover of resin-impregnated fibre-glass fabric disposed between the shaping surface and the hot glass sheet is provided with a parting material of a lubricious organic material disposed between the shaping surface of the shaping member and the hot glass sheet contacting surface of the fabric cover. In the preferred embodiment the apparatus comprises a pair of complementary shaping members 10, 11 for press bending a sheet G of heat-softened glass interposed therebetween. The shaping surfaces 12, 14 of the two members are covered with a layer 22 of knit fibre-glass fabric. Provided on that face of the layer 22 facing the shaping surface 12 or 14 of each member 10, 11 is a coating 24 of a parting material. Suitable materials for the parting materials have been found to be various silicones and fluorocarbons, of which silicone rubber and polytetrafluoroethylene are specified. In various other embodiments the parting material may be applied additionally to the glass contacting surface of the cover 22; to the shaping surface of the shaping member. In an instance where the cover comprises two or more layers of fibre-glass fabric the parting material may be applied to the non-glass contacting surface of the outermost layer. The shaping surface may be a sag-bending mould. Reference has been directed by the Comptroller to Specification 983,805.
GB4516767A
1966-11-16
1967-10-04
Apparatus for shaping glass sheets
Expired
GB1149702A
(en)
Applications Claiming Priority (1)
Application Number
Priority Date
Filing Date
Title
US59488866A
1966-11-16
1966-11-16
Publications (1)
Publication Number
Publication Date
GB1149702A
true
GB1149702A
(en)
1969-04-23
Family
ID=24380836
Family Applications (1)
Application Number
Title
Priority Date
Filing Date
GB4516767A
Expired
GB1149702A
(en)
1966-11-16
1967-10-04
Apparatus for shaping glass sheets
Country Status (5)
Country
Link
BE
(1)
BE706523A
(en)
DE
(1)
DE1596640A1
(en)
FR
(1)
FR1550247A
(en)
GB
(1)
GB1149702A
(en)
NL
(1)
NL6715167A
(en)
Cited By (1)
* Cited by examiner, † Cited by third party
Publication number
Priority date
Publication date
Assignee
Title
CN106183329A
(en)
*
2016-07-06
2016-12-07
和县晶晶玻璃制品有限公司
A kind of curved surface stained glass preparation technology
Families Citing this family (2)
* Cited by examiner, † Cited by third party
Publication number
Priority date
Publication date
Assignee
Title
US4904294A
(en)
*
1988-12-22
1990-02-27
Ppg Industries, Inc.
Belt assisted press bending
US4897102A
(en)
*
1989-03-14
1990-01-30
Libbey-Owens-Ford Co.
Glass sheet press bending mold
1967
1967-10-04
GB
GB4516767A
patent/GB1149702A/en
not_active
Expired
1967-10-09
FR
FR1550247D
patent/FR1550247A/fr
not_active
Expired
1967-10-11
DE
DE19671596640
patent/DE1596640A1/en
active
Pending
1967-11-08
NL
NL6715167A
patent/NL6715167A/xx
unknown
1967-11-14
BE
BE706523D
patent/BE706523A/xx
unknown
Cited By (2)
* Cited by examiner, † Cited by third party
Publication number
Priority date
Publication date
Assignee
Title
CN106183329A
(en)
*
2016-07-06
2016-12-07
和县晶晶玻璃制品有限公司
A kind of curved surface stained glass preparation technology
CN106183329B
(en)
*
2016-07-06
2018-01-30
和县晶晶玻璃制品有限公司
A kind of curved surface stained glass preparation technology
Also Published As
Publication number
Publication date
BE706523A
(en)
1968-05-14
FR1550247A
(en)
1968-12-20
DE1596640A1
(en)
1971-03-18
NL6715167A
(en)
1968-05-17
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None