GB1245929A - Improvements in or relating to synthetic plastic lenses - Google Patents

Improvements in or relating to synthetic plastic lenses

Info

Publication number
GB1245929A
GB1245929A GB5717667A GB5717667A GB1245929A GB 1245929 A GB1245929 A GB 1245929A GB 5717667 A GB5717667 A GB 5717667A GB 5717667 A GB5717667 A GB 5717667A GB 1245929 A GB1245929 A GB 1245929A
Authority
GB
United Kingdom
Prior art keywords
relating
lens
synthetic plastic
plastic lenses
dec
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
GB5717667A
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.)
Combined Optical Industries Ltd
Original Assignee
Combined Optical Industries 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 Combined Optical Industries Ltd filed Critical Combined Optical Industries Ltd
Priority to GB5717667A priority Critical patent/GB1245929A/en
Priority to DE19681814393 priority patent/DE1814393A1/en
Publication of GB1245929A publication Critical patent/GB1245929A/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
    • B29D11/00009—Production of simple or compound lenses
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B3/00—Simple or compound lenses

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Health & Medical Sciences (AREA)
  • Manufacturing & Machinery (AREA)
  • Ophthalmology & Optometry (AREA)
  • Mechanical Engineering (AREA)
  • Lenses (AREA)

Abstract

1,245,929. Lamps. COMBINED OPTICAL INDUSTRIES Ltd., and M. SIGMUND. 3 Dec., 1968 [15 Dec., 1967], No. 57176/67. Heading F4R. [Also in Division G2] A spotlight has a plastic lens in the form of two or more elements secured together by means of a flange 10, Fig. 1, on one of the elements, the flange being provided with a lug 12, Fig. 9, to secure the lens on one side to a glass shield and on the other to a reflector embodying a light source to form a unitary spotlight construction. The Specification gives details of several forms of the lens.
GB5717667A 1967-12-15 1967-12-15 Improvements in or relating to synthetic plastic lenses Expired GB1245929A (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
GB5717667A GB1245929A (en) 1967-12-15 1967-12-15 Improvements in or relating to synthetic plastic lenses
DE19681814393 DE1814393A1 (en) 1967-12-15 1968-12-13 Plastic lens and process for their manufacture

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB5717667A GB1245929A (en) 1967-12-15 1967-12-15 Improvements in or relating to synthetic plastic lenses

Publications (1)

Publication Number Publication Date
GB1245929A true GB1245929A (en) 1971-09-15

Family

ID=10478550

Family Applications (1)

Application Number Title Priority Date Filing Date
GB5717667A Expired GB1245929A (en) 1967-12-15 1967-12-15 Improvements in or relating to synthetic plastic lenses

Country Status (2)

Country Link
DE (1) DE1814393A1 (en)
GB (1) GB1245929A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2734416A1 (en) * 1976-08-12 1978-02-16 American Optical Corp LENS CASTING CELL
EP0100379A1 (en) * 1982-07-29 1984-02-15 Olympus Optical Co., Ltd. Plastic lens
CN107726074A (en) * 2017-12-02 2018-02-23 唐先成 A kind of new E MC supports carry the LED lamp bead of angle control lens

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1248391B (en) * 1963-03-06 1967-08-24 Westerwaelder Eisen Gerhard Leak oil probe for monitoring a control room for penetrated mineral oil
DE3405789C2 (en) * 1983-02-19 1986-01-02 Olympus Optical Co., Ltd., Tokio/Tokyo Lens member
DE3525813A1 (en) * 1984-07-23 1986-02-27 Olympus Optical Co., Ltd., Tokio/Tokyo DEVICE FOR HOLDING LENSES
DE4444958C1 (en) * 1994-12-16 1996-05-15 Schuette Reiner Tank for hazardous fluid storage with leakage detector

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2734416A1 (en) * 1976-08-12 1978-02-16 American Optical Corp LENS CASTING CELL
EP0100379A1 (en) * 1982-07-29 1984-02-15 Olympus Optical Co., Ltd. Plastic lens
CN107726074A (en) * 2017-12-02 2018-02-23 唐先成 A kind of new E MC supports carry the LED lamp bead of angle control lens

Also Published As

Publication number Publication date
DE1814393A1 (en) 1969-07-03

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