DE3785705T2 - Vorrichtung zum Formen einer Schattenmaske. - Google Patents

Vorrichtung zum Formen einer Schattenmaske.

Info

Publication number
DE3785705T2
DE3785705T2 DE87112589T DE3785705T DE3785705T2 DE 3785705 T2 DE3785705 T2 DE 3785705T2 DE 87112589 T DE87112589 T DE 87112589T DE 3785705 T DE3785705 T DE 3785705T DE 3785705 T2 DE3785705 T2 DE 3785705T2
Authority
DE
Germany
Prior art keywords
forming
shadow mask
shadow
mask
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 - Fee Related
Application number
DE87112589T
Other languages
English (en)
Other versions
DE3785705D1 (de
Inventor
Frank Rowland Ragland
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.)
RCA Licensing Corp
Original Assignee
RCA Licensing Corp
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 RCA Licensing Corp filed Critical RCA Licensing Corp
Publication of DE3785705D1 publication Critical patent/DE3785705D1/de
Application granted granted Critical
Publication of DE3785705T2 publication Critical patent/DE3785705T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J9/00—Apparatus or processes specially adapted for the manufacture, installation, removal, maintenance of electric discharge tubes, discharge lamps, or parts thereof; Recovery of material from discharge tubes or lamps
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D22/00—Shaping without cutting, by stamping, spinning, or deep-drawing
    • B21D22/02—Stamping using rigid devices or tools
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J9/00—Apparatus or processes specially adapted for the manufacture, installation, removal, maintenance of electric discharge tubes, discharge lamps, or parts thereof; Recovery of material from discharge tubes or lamps
    • H01J9/02—Manufacture of electrodes or electrode systems
    • H01J9/14—Manufacture of electrodes or electrode systems of non-emitting electrodes
    • H01J9/142—Manufacture of electrodes or electrode systems of non-emitting electrodes of shadow-masks for colour television tubes
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
    • G03G2215/00—Apparatus for electrophotographic processes
    • G03G2215/20—Details of the fixing device or porcess
    • G03G2215/2003—Structural features of the fixing device
    • G03G2215/2016—Heating belt
    • G03G2215/2025—Heating belt the fixing nip having a rotating belt support member opposing a pressure member
    • G03G2215/2029—Heating belt the fixing nip having a rotating belt support member opposing a pressure member the belt further entrained around one or more stationary belt support members, the latter not being a cooling device
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
    • G03G2215/00—Apparatus for electrophotographic processes
    • G03G2215/20—Details of the fixing device or porcess
    • G03G2215/2003—Structural features of the fixing device
    • G03G2215/2016—Heating belt
    • G03G2215/2025—Heating belt the fixing nip having a rotating belt support member opposing a pressure member
    • G03G2215/2032—Heating belt the fixing nip having a rotating belt support member opposing a pressure member the belt further entrained around additional rotating belt support members

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Mechanical Engineering (AREA)
  • Shaping Metal By Deep-Drawing, Or The Like (AREA)
  • Respiratory Apparatuses And Protective Means (AREA)
DE87112589T 1986-08-29 1987-08-28 Vorrichtung zum Formen einer Schattenmaske. Expired - Fee Related DE3785705T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US06/901,569 US4719787A (en) 1986-08-29 1986-08-29 Apparatus for forming a shadow mask

Publications (2)

Publication Number Publication Date
DE3785705D1 DE3785705D1 (de) 1993-06-09
DE3785705T2 true DE3785705T2 (de) 1993-12-02

Family

ID=25414439

Family Applications (1)

Application Number Title Priority Date Filing Date
DE87112589T Expired - Fee Related DE3785705T2 (de) 1986-08-29 1987-08-28 Vorrichtung zum Formen einer Schattenmaske.

Country Status (6)

Country Link
US (1) US4719787A (de)
EP (1) EP0257659B1 (de)
JP (1) JPS6364238A (de)
KR (1) KR950006090B1 (de)
CA (1) CA1273395A (de)
DE (1) DE3785705T2 (de)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT1239511B (it) * 1990-03-30 1993-11-03 Videocolor Spa Metodo di formatura di una maschera d'ombra per un tubo di riproduzione di immagini a colori
DE4227652C2 (de) * 1992-08-21 1996-02-29 Daimler Benz Ag Verfahren und Einrichtung zum Einlegen von Platinen in Ziehwerkzeuge
DE60136355D1 (de) 2000-05-11 2008-12-11 Autoform Engineering Gmbh Verfahren zum entwickeln von werkzeugen
US7850894B2 (en) * 2006-05-04 2010-12-14 Ethicon, Inc. Tissue holding devices and methods for making the same
JP4386130B2 (ja) * 2007-11-30 2009-12-16 トヨタ自動車株式会社 プレス装置用金型および開放絞り成形方法
US20130193172A1 (en) * 2012-01-27 2013-08-01 Michael J. Damkot Mold and method of using the same in the manufacture of holsters

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2064160A (en) * 1931-12-19 1936-12-15 Budd Edward G Mfg Co Apparatus for die drawing large irregularly shaped sheet metal articles
US3195341A (en) * 1961-11-20 1965-07-20 Nat Lead Co Die apparatus
US3296850A (en) * 1964-08-25 1967-01-10 Rauland Corp Mask forming
US3621699A (en) * 1969-07-15 1971-11-23 Tubal Ind Inc Methods and apparatus for manufacturing shadow masks for colored television tubes
NL7508287A (nl) * 1975-07-11 1977-01-13 Philips Nv Werkwijze en inrichting voor het in vorm trek- ken van een schaduwmasker en schaduwmasker ge- trokken volgens deze werkwijze of met deze in- richting.
US4615205A (en) * 1984-06-18 1986-10-07 Rca Corporation Forming a shadow mask from a flat blank

Also Published As

Publication number Publication date
KR880003370A (ko) 1988-05-16
EP0257659B1 (de) 1993-05-05
DE3785705D1 (de) 1993-06-09
CA1273395A (en) 1990-08-28
EP0257659A2 (de) 1988-03-02
EP0257659A3 (en) 1989-03-08
KR950006090B1 (ko) 1995-06-08
JPS6364238A (ja) 1988-03-22
JPH0477410B2 (de) 1992-12-08
US4719787A (en) 1988-01-19

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee