GB1229117A – – Google Patents
GB1229117A – – Google Patents
Info
Publication number
GB1229117A
GB1229117A
GB1229117DA
GB1229117A
GB 1229117 A
GB1229117 A
GB 1229117A
GB 1229117D A
GB1229117D A
GB 1229117DA
GB 1229117 A
GB1229117 A
GB 1229117A
Authority
GB
United Kingdom
Prior art keywords
line
coating
severing
sept
tube
Prior art date
1968-09-13
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
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.)
1968-09-13
Filing date
1969-09-02
Publication date
1971-04-21
1969-09-02
Application filed
filed
Critical
1971-04-21
Publication of GB1229117A
publication
Critical
patent/GB1229117A/en
Status
Expired
legal-status
Critical
Current
Links
Espacenet
Global Dossier
Discuss
Classifications
B—PERFORMING OPERATIONS; TRANSPORTING
B28—WORKING CEMENT, CLAY, OR STONE
B28D—WORKING STONE OR STONE-LIKE MATERIALS
B28D1/00—Working stone or stone-like materials, e.g. brick, concrete or glass, not provided for elsewhere; Machines, devices, tools therefor
B28D1/22—Working stone or stone-like materials, e.g. brick, concrete or glass, not provided for elsewhere; Machines, devices, tools therefor by cutting, e.g. incising
B28D1/221—Working stone or stone-like materials, e.g. brick, concrete or glass, not provided for elsewhere; Machines, devices, tools therefor by cutting, e.g. incising by thermic methods
Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
Y10T225/00—Severing by tearing or breaking
Y10T225/10—Methods
Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
Y10T225/00—Severing by tearing or breaking
Y10T225/30—Breaking or tearing apparatus
Y10T225/304—Including means to apply thermal shock to work
Abstract
1,229,117. Severing ceramic bodies. CARBORUNDUM CO. 2 Sept., 1969 [13 Sept., 1968], No. 43385/69. Heading B5E. A method of severing a ceramic body 1 comprises applying a boron nitride containing coating 3 adjacent a desired line 2 of severance, and thereafter locally heating the body along the line whereby localized thermal action causes the body to sever along the line. The body may be of alumina, magnesia or zirconia and in the form of a tube, brick, rod, tube or the like. The boron nitride coating, which may also contain a phosphate binder, is applied to one or both sides of the line 2, the line being covered by a band while coating or the area of the line may also be coated initially and the coating removed in the area of the line by a stylus or hard pencil. The coating may be applied by a brush, roll, dipping or spraying. When the coating is dry, heat is applied to the line by one or more gas burners 5, such as oxyacetylene torches.
GB1229117D
1968-09-13
1969-09-02
Expired
GB1229117A
(en)
Applications Claiming Priority (1)
Application Number
Priority Date
Filing Date
Title
US75968168A
1968-09-13
1968-09-13
Publications (1)
Publication Number
Publication Date
GB1229117A
true
GB1229117A
(en)
1971-04-21
Family
ID=25056563
Family Applications (1)
Application Number
Title
Priority Date
Filing Date
GB1229117D
Expired
GB1229117A
(en)
1968-09-13
1969-09-02
Country Status (6)
Country
Link
US
(1)
US3520455A
(en)
JP
(1)
JPS4824484B1
(en)
BE
(1)
BE738796A
(en)
DE
(1)
DE1944769A1
(en)
FR
(1)
FR2018063A1
(en)
GB
(1)
GB1229117A
(en)
Families Citing this family (9)
* Cited by examiner, † Cited by third party
Publication number
Priority date
Publication date
Assignee
Title
US4289261A
(en)
*
1980-03-06
1981-09-15
Ppg Industries, Inc.
Method of thermally inducing bending moment forces to sever a glass sheet along a score
DE3614810A1
(en)
*
1986-05-02
1987-11-05
Philips Patentverwaltung
DEVICE FOR SEPARATING PLATE-SHAPED OBJECTS MADE OF ALUMINUM OXIDE
US4857249A
(en)
*
1986-11-17
1989-08-15
Hughes Aircraft Company
Fabrication of rods of uniform high density from powders of refractory materials
CA2310883A1
(en)
*
1999-06-07
2000-12-07
Norman L. Arrison
Method and apparatus for fracturing brittle materials by thermal stressing
US6912356B2
(en)
*
1999-06-07
2005-06-28
Diversified Industries Ltd.
Method and apparatus for fracturing brittle materials by thermal stressing
CN101585656B
(en)
*
2003-01-29
2012-03-21
三星宝石工业株式会社
Substrate dividing apparatus and method for dividing substrate
US20140312160A1
(en)
*
2011-06-07
2014-10-23
Raytheon Company
Flight vehicles including scribed frangible seals and methods for the manufacture thereof
CN103213200B
(en)
*
2013-04-08
2015-05-13
孙吉开
Efficient and energy-saving fire board machine for stone
US10254097B2
(en)
2015-04-15
2019-04-09
Raytheon Company
Shape memory alloy disc vent cover release
Family Cites Families (2)
* Cited by examiner, † Cited by third party
Publication number
Priority date
Publication date
Assignee
Title
US237112A
(en)
*
1881-02-01
John b
US494999A
(en)
*
1893-04-04
eyans
1968
1968-09-13
US
US759681A
patent/US3520455A/en
not_active
Expired – Lifetime
1969
1969-09-02
GB
GB1229117D
patent/GB1229117A/en
not_active
Expired
1969-09-04
DE
DE19691944769
patent/DE1944769A1/en
active
Pending
1969-09-10
JP
JP44071336A
patent/JPS4824484B1/ja
active
Pending
1969-09-12
FR
FR6931146A
patent/FR2018063A1/fr
not_active
Withdrawn
1969-09-12
BE
BE738796D
patent/BE738796A/xx
unknown
Also Published As
Publication number
Publication date
BE738796A
(en)
1970-02-16
JPS4824484B1
(en)
1973-07-21
DE1944769A1
(en)
1970-03-19
US3520455A
(en)
1970-07-14
FR2018063A1
(en)
1970-05-29
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Legal Events
Date
Code
Title
Description
1971-09-02
PS
Patent sealed [section 19, patents act 1949]
1975-04-03
PLNP
Patent lapsed through nonpayment of renewal fees
