GB1324078A - Manufacture of mirrors - Google Patents

Manufacture of mirrors

Info

Publication number
GB1324078A
GB1324078A GB5716769A GB1324078DA GB1324078A GB 1324078 A GB1324078 A GB 1324078A GB 5716769 A GB5716769 A GB 5716769A GB 1324078D A GB1324078D A GB 1324078DA GB 1324078 A GB1324078 A GB 1324078A
Authority
GB
United Kingdom
Prior art keywords
film
nov
glass cloth
mirror
strip
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
GB5716769A
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.)
British Aircraft Corp Ltd
Original Assignee
British Aircraft Corp 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 British Aircraft Corp Ltd filed Critical British Aircraft Corp Ltd
Publication of GB1324078A publication Critical patent/GB1324078A/en
Expired legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29D—PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE
    • B29D11/00—Producing optical elements, e.g. lenses or prisms
    • B29D11/00596—Mirrors

Abstract

1324078 Mirror mounts BRITISH AIRCRAFT CORP Ltd 20 Nov 1970 [21 Nov 1969] 57167/69 Heading A4X [Also in Divisions B8 and G2] A mirror is manufactured by placing a metallised film of plastics material 5 against a support which comprises a rectangular board 2 of rigid polyurethane foam and an edging of extruded metal strip 4, holding the edges of the film in a groove 12 in the strip and applying heat to the surface of the film such that the film is evenly tensioned over said surface. The supported film may be placed on a flat thermostatically controlled heated metal plate Fig. 3 (not shown), having on its upper surface a layer of PTFE impregnated glass cloth which protects the surface of the film from being marked by the metal. The PTFE glass cloth may be in the form of a conveyor belt to which the supported film is delivered Fig. 4 (not shown).
GB5716769A 1969-11-21 1969-11-21 Manufacture of mirrors Expired GB1324078A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB5716769 1969-11-21

Publications (1)

Publication Number Publication Date
GB1324078A true GB1324078A (en) 1973-07-18

Family

ID=10478531

Family Applications (1)

Application Number Title Priority Date Filing Date
GB5716769A Expired GB1324078A (en) 1969-11-21 1969-11-21 Manufacture of mirrors

Country Status (10)

Country Link
JP (1) JPS5526441B1 (en)
BR (1) BR7024049D0 (en)
CA (1) CA936321A (en)
CH (1) CH531854A (en)
FR (1) FR2068566B1 (en)
GB (1) GB1324078A (en)
IL (1) IL35725A (en)
NL (1) NL169050C (en)
SE (1) SE370522B (en)
ZA (1) ZA707705B (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2000317A (en) * 1977-06-13 1979-01-04 Swarovski & Co Glass mirror plate
WO1980001049A1 (en) * 1978-11-27 1980-05-29 Oce Nederland Bv Polygonal mirror
US5896236A (en) * 1997-02-05 1999-04-20 Zenith Electronics Corporation Metallized plastic film mirror for projection television receiver
FR2814758A1 (en) * 2000-10-02 2002-04-05 Comm Et Tech Ultra-lightweight mirror production involves tensioning metallized film on metallic support frame and passing the assembly through a retraction heating tunnel

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2712325B1 (en) * 1993-11-09 1996-02-23 Newmat Sa Method of manufacturing tiles, especially for suspended ceilings.
FR2727711B1 (en) * 1994-12-05 1997-01-24 Newmat Sa TENSION SHEET SHEET FOR CONSTRUCTION OF SUSPENDED CEILINGS AND SUSPENDED CEILING PROVIDED WITH SAME

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US290410A (en) * 1883-12-18 Dsrt-scraper
FR1214783A (en) * 1958-02-03 1960-04-12 Article comprising thin films, capable in particular of forming a mirror
US3326735A (en) * 1964-11-30 1967-06-20 Phillips Petroleum Co Continuous sealing of biaxial oriented film

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2000317A (en) * 1977-06-13 1979-01-04 Swarovski & Co Glass mirror plate
GB2000317B (en) * 1977-06-13 1982-05-26 Swarovski & Co Concentrating solar collectors
WO1980001049A1 (en) * 1978-11-27 1980-05-29 Oce Nederland Bv Polygonal mirror
US5896236A (en) * 1997-02-05 1999-04-20 Zenith Electronics Corporation Metallized plastic film mirror for projection television receiver
FR2814758A1 (en) * 2000-10-02 2002-04-05 Comm Et Tech Ultra-lightweight mirror production involves tensioning metallized film on metallic support frame and passing the assembly through a retraction heating tunnel
EP1209257A2 (en) * 2000-10-02 2002-05-29 Communications et Techniques Ultra-light mirror and method of manufacturing un ultra-light mirror
EP1209257A3 (en) * 2000-10-02 2002-08-07 Communications et Techniques Ultra-light mirror and method of manufacturing un ultra-light mirror

Also Published As

Publication number Publication date
DE2057179A1 (en) 1971-06-09
NL169050C (en) 1982-06-01
NL7016652A (en) 1971-05-25
CA936321A (en) 1973-11-06
FR2068566B1 (en) 1973-11-23
NL169050B (en) 1982-01-04
CH531854A (en) 1972-12-31
IL35725A0 (en) 1971-01-28
ZA707705B (en) 1972-01-26
FR2068566A1 (en) 1971-08-27
DE2057179B2 (en) 1976-02-19
BR7024049D0 (en) 1973-01-25
SE370522B (en) 1974-10-21
JPS5526441B1 (en) 1980-07-14
IL35725A (en) 1974-07-31

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
732 Registration of transactions, instruments or events in the register (sect. 32/1977)
732 Registration of transactions, instruments or events in the register (sect. 32/1977)
PE20 Patent expired after termination of 20 years