GB1219686A - Lighting fixtures - Google Patents

Lighting fixtures

Info

Publication number
GB1219686A
GB1219686A GB06637/68A GB1663768A GB1219686A GB 1219686 A GB1219686 A GB 1219686A GB 06637/68 A GB06637/68 A GB 06637/68A GB 1663768 A GB1663768 A GB 1663768A GB 1219686 A GB1219686 A GB 1219686A
Authority
GB
United Kingdom
Prior art keywords
core
mould
april
outer part
screw
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
GB06637/68A
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.)
AUDIOLA AS
Original Assignee
AUDIOLA AS
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 AUDIOLA AS filed Critical AUDIOLA AS
Publication of GB1219686A publication Critical patent/GB1219686A/en
Expired legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V11/00—Screens not covered by groups F21V1/00, F21V3/00, F21V7/00 or F21V9/00
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V1/00—Shades for light sources, i.e. lampshades for table, floor, wall or ceiling lamps
    • F21V1/14—Covers for frames; Frameless shades
    • F21V1/16—Covers for frames; Frameless shades characterised by the material
    • F21V1/22—Covers for frames; Frameless shades characterised by the material the material being plastics
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V3/00—Globes; Bowls; Cover glasses
    • F21V3/02—Globes; Bowls; Cover glasses characterised by the shape
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V9/00—Elements for modifying spectral properties, polarisation or intensity of the light emitted, e.g. filters
    • F21V9/02—Elements for modifying spectral properties, polarisation or intensity of the light emitted, e.g. filters for simulating daylight

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Moulds For Moulding Plastics Or The Like (AREA)
  • Non-Portable Lighting Devices Or Systems Thereof (AREA)

Abstract

1,219,686. Injection moulding lampshades. AUDIOLA A.S. 5 April, 1968 [27 April, 1967], No. 16637/68. Heading B5A. [Also in Division F4] A lampshade in the form of a tubular plastics member having a screw-threaded interior surface is injection moulded in a mould having a screw threaded core which is subsequently unscrewed from the member. The exterior surface of the member is formed with axially extending ribs which prevent the member from rotating in the outer part of the mould whilst the core is being withdrawn. The mould may be slightly conical in shape, and the core may be moved axially relative to the outer part to withdraw part of the member from the mould before unscrewing the core.
GB06637/68A 1967-04-27 1968-04-05 Lighting fixtures Expired GB1219686A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DK224567AA DK113001B (en) 1967-04-27 1967-04-27 Lighting fixture and method of its manufacture.

Publications (1)

Publication Number Publication Date
GB1219686A true GB1219686A (en) 1971-01-20

Family

ID=8111045

Family Applications (1)

Application Number Title Priority Date Filing Date
GB06637/68A Expired GB1219686A (en) 1967-04-27 1968-04-05 Lighting fixtures

Country Status (5)

Country Link
US (1) US3596085A (en)
DE (2) DE6603677U (en)
DK (1) DK113001B (en)
GB (1) GB1219686A (en)
SE (1) SE329137B (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2205522A (en) * 1987-06-09 1988-12-14 Mono Pumps Ltd Moulding an article having an internal helical gear formation thereon

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3936669A (en) * 1974-07-11 1976-02-03 Marton C. Gaston Beauty swag lamp
US11378250B2 (en) 2018-04-10 2022-07-05 Signify Holding B.V. Decorative light source shielding

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2205522A (en) * 1987-06-09 1988-12-14 Mono Pumps Ltd Moulding an article having an internal helical gear formation thereon

Also Published As

Publication number Publication date
DE1299262B (en) 1969-07-17
SE329137B (en) 1970-10-05
US3596085A (en) 1971-07-27
DK113001B (en) 1969-02-10
DE6603677U (en) 1969-11-13

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