FR2067980A5 - Metal chute coated with fluorocarbon polymer containing - Google Patents

Metal chute coated with fluorocarbon polymer containing

Info

Publication number
FR2067980A5
FR2067980A5 FR6940434A FR6940434A FR2067980A5 FR 2067980 A5 FR2067980 A5 FR 2067980A5 FR 6940434 A FR6940434 A FR 6940434A FR 6940434 A FR6940434 A FR 6940434A FR 2067980 A5 FR2067980 A5 FR 2067980A5
Authority
FR
France
Prior art keywords
pref
boron nitride
ptfe
coated
polymer containing
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
FR6940434A
Other languages
French (fr)
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.)
OI Glass Inc
Original Assignee
Owens Illinois 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 Owens Illinois Inc filed Critical Owens Illinois Inc
Priority to FR6940434A priority Critical patent/FR2067980A5/en
Application granted granted Critical
Publication of FR2067980A5 publication Critical patent/FR2067980A5/en
Expired legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
    • C03B7/00—Distributors for the molten glass; Means for taking-off charges of molten glass; Producing the gob, e.g. controlling the gob shape, weight or delivery tact
    • C03B7/14—Transferring molten glass or gobs to glass blowing or pressing machines
    • C03B7/16—Transferring molten glass or gobs to glass blowing or pressing machines using deflector chutes

Abstract

A metal chute for delivering molten glass is surfaced with a polyfluorocarbon (pref. PTFE) in which is uniformly distributed 15-60 (pref. 27-43) wt.% finely divided boron nitride. The coating may be applied in two layers first a layer of PTFE (0.1 - 1.0 mil thick) and secondly a layer of PTFE containing boron nitride (1.0-3 mils thick). Boron nitride particles are pref. smaller than 44 mu. Surface has very low coefficient of friction and is high temperature resistant. No contaminants are passed to the glass, and cooling is minimal.
FR6940434A 1969-11-24 1969-11-24 Metal chute coated with fluorocarbon polymer containing Expired FR2067980A5 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR6940434A FR2067980A5 (en) 1969-11-24 1969-11-24 Metal chute coated with fluorocarbon polymer containing

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR6940434A FR2067980A5 (en) 1969-11-24 1969-11-24 Metal chute coated with fluorocarbon polymer containing

Publications (1)

Publication Number Publication Date
FR2067980A5 true FR2067980A5 (en) 1971-08-20

Family

ID=9043536

Family Applications (1)

Application Number Title Priority Date Filing Date
FR6940434A Expired FR2067980A5 (en) 1969-11-24 1969-11-24 Metal chute coated with fluorocarbon polymer containing

Country Status (1)

Country Link
FR (1) FR2067980A5 (en)

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Legal Events

Date Code Title Description
ST Notification of lapse