DK111723B - Method and apparatus for producing spectral filters with a curved, preferably spherical or parabolic curved shape. - Google Patents

Method and apparatus for producing spectral filters with a curved, preferably spherical or parabolic curved shape.

Info

Publication number
DK111723B
DK111723B DK115865A DK115865A DK111723B DK 111723 B DK111723 B DK 111723B DK 115865 A DK115865 A DK 115865A DK 115865 A DK115865 A DK 115865A DK 111723 B DK111723 B DK 111723B
Authority
DK
Denmark
Prior art keywords
curved
preferably spherical
spectral filters
parabolic
curved shape
Prior art date
Application number
DK115865A
Other languages
Danish (da)
Inventor
A Mannl
Original Assignee
Eltro Gmbh
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 Eltro Gmbh filed Critical Eltro Gmbh
Publication of DK111723B publication Critical patent/DK111723B/en

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B27/00—Layered products comprising a layer of synthetic resin
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C51/00—Shaping by thermoforming, i.e. shaping sheets or sheet like preforms after heating, e.g. shaping sheets in matched moulds or by deep-drawing; Apparatus therefor
    • B29C51/14—Shaping by thermoforming, i.e. shaping sheets or sheet like preforms after heating, e.g. shaping sheets in matched moulds or by deep-drawing; Apparatus therefor using multilayered preforms or sheets
    • 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
    • B29D11/00634—Production of filters
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B5/00—Optical elements other than lenses
    • G02B5/20—Filters
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B5/00—Optical elements other than lenses
    • G02B5/20—Filters
    • G02B5/208—Filters for use with infrared or ultraviolet radiation, e.g. for separating visible light from infrared and/or ultraviolet radiation
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C35/00—Heating, cooling or curing, e.g. crosslinking or vulcanising; Apparatus therefor
    • B29C35/02—Heating or curing, e.g. crosslinking or vulcanizing during moulding, e.g. in a mould
    • B29C2035/0211—Heating or curing, e.g. crosslinking or vulcanizing during moulding, e.g. in a mould resistance heating
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
    • B29L2011/00—Optical elements, e.g. lenses, prisms
    • B29L2011/0066—Optical filters

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Mechanical Engineering (AREA)
  • Health & Medical Sciences (AREA)
  • Manufacturing & Machinery (AREA)
  • Ophthalmology & Optometry (AREA)
  • Toxicology (AREA)
  • Optical Filters (AREA)
DK115865A 1964-03-07 1965-03-05 Method and apparatus for producing spectral filters with a curved, preferably spherical or parabolic curved shape. DK111723B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DEE26570A DE1204939B (en) 1964-03-07 1964-03-07 Method and device for the production of spectral filters in curved, preferably spherically curved, form

Publications (1)

Publication Number Publication Date
DK111723B true DK111723B (en) 1968-09-30

Family

ID=7072225

Family Applications (1)

Application Number Title Priority Date Filing Date
DK115865A DK111723B (en) 1964-03-07 1965-03-05 Method and apparatus for producing spectral filters with a curved, preferably spherical or parabolic curved shape.

Country Status (6)

Country Link
BE (1) BE660535A (en)
CH (1) CH432043A (en)
DE (1) DE1204939B (en)
DK (1) DK111723B (en)
FR (1) FR1428236A (en)
NL (1) NL6501622A (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE29715712U1 (en) * 1997-09-02 1997-11-06 Diether, Hartmut, 65451 Kelsterbach Infrared heater

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE202925C (en) * 1969-04-30 1900-01-01
DE710823C (en) * 1938-09-23 1941-09-22 Kodak Akt Ges Light filters for photographic use
DE767467C (en) * 1938-10-25 1952-09-08 Cassella Farbwerke Mainkur Ag Method and apparatus for the isolation of ultra-red radiation
DE767122C (en) * 1939-12-03 1951-10-31 Auergesellschaft Ag Film with selective radiation absorption
US3521348A (en) * 1967-12-07 1970-07-21 Aeroprojects Inc Methods and apparatus employing torsional vibratory energy for wrenching

Also Published As

Publication number Publication date
NL6501622A (en) 1965-09-08
CH432043A (en) 1967-03-15
DE1204939B (en) 1965-11-11
FR1428236A (en) 1966-02-11
BE660535A (en) 1965-07-01

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DK111723B (en) Method and apparatus for producing spectral filters with a curved, preferably spherical or parabolic curved shape.