FR2435804A1 - Procede de fabrication d'un tube image couleur a masque ondule perfore et tube image couleur ainsi fabrique - Google Patents
Procede de fabrication d'un tube image couleur a masque ondule perfore et tube image couleur ainsi fabriqueInfo
- Publication number
- FR2435804A1 FR2435804A1 FR7922457A FR7922457A FR2435804A1 FR 2435804 A1 FR2435804 A1 FR 2435804A1 FR 7922457 A FR7922457 A FR 7922457A FR 7922457 A FR7922457 A FR 7922457A FR 2435804 A1 FR2435804 A1 FR 2435804A1
- Authority
- FR
- France
- Prior art keywords
- color image
- image tube
- locations
- openings
- 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.)
- Granted
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
- 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
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T29/00—Metal working
- Y10T29/49—Method of mechanical manufacture
- Y10T29/496—Multiperforated metal article making
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Electrodes For Cathode-Ray Tubes (AREA)
Abstract
Procédé de fabrication d'un masque perforé ondulé pour tube image couleur selon lequel le masque est d'abord perforé puis conformé selon la forme ondulée voulue, caractérisée en ce qu'il consiste à : - ménager dans un masque non formé 62 les ouvertures 66 en des premiers emplacements, ces ouvertures présentant des largeurs A + b supérieures aux largeurs désirées A en ces premiers emplacements, et ménager les ouvertures 64 en des seconds emplacements, ces ouvertures présentant des largeurs A-a inférieures aux largeurs A désirées auxdits seconds emplacements; et - conférer audit masque une forme ondulée telle que lesdites ouvertures dans les premiers emplacements sont comprimées pour ramener leurs largeurs aux valeurs désirées, et les ouvertures dans les seconds emplacements sont allongées pour donner à leurs largeurs les valeurs recherchées.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US05/940,570 US4187443A (en) | 1978-09-08 | 1978-09-08 | Color picture tube having improved corrugated apertured mask and method of making same |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2435804A1 true FR2435804A1 (fr) | 1980-04-04 |
FR2435804B1 FR2435804B1 (fr) | 1983-07-18 |
Family
ID=25475069
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR7922457A Granted FR2435804A1 (fr) | 1978-09-08 | 1979-09-07 | Procede de fabrication d'un tube image couleur a masque ondule perfore et tube image couleur ainsi fabrique |
Country Status (10)
Country | Link |
---|---|
US (1) | US4187443A (fr) |
JP (1) | JPS5537795A (fr) |
AT (1) | AT375783B (fr) |
CA (1) | CA1128981A (fr) |
DE (1) | DE2936233A1 (fr) |
FI (1) | FI792716A (fr) |
FR (1) | FR2435804A1 (fr) |
GB (1) | GB2030062B (fr) |
IT (1) | IT1122937B (fr) |
PL (1) | PL218154A1 (fr) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB8407273D0 (en) * | 1984-03-21 | 1984-04-26 | Hobson Ltd | Forming of extrusion dies |
JP2774712B2 (ja) * | 1991-09-19 | 1998-07-09 | 三菱電機株式会社 | カラー受像管用シャドウマスクおよびその製造方法 |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2218642A1 (fr) * | 1973-02-21 | 1974-09-13 | Hitachi Ltd | |
FR2397063A1 (fr) * | 1977-07-08 | 1979-02-02 | Rca Corp | Perfectionnements apportes aux tubes a rayons cathodiques |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE458183C (de) * | 1928-03-31 | Hermann Schubert | Verfahren zur Herstellung konischer Loecher in Tafeln, Streifen o. dgl. | |
US3600213A (en) * | 1969-09-12 | 1971-08-17 | Buckbee Mears Co | Aperture masks |
JPS49141754U (fr) * | 1973-04-09 | 1974-12-06 | ||
JPS5257776A (en) * | 1975-11-06 | 1977-05-12 | Matsushita Electronics Corp | Shadow mask for color picture tube |
US4072876A (en) * | 1976-10-04 | 1978-02-07 | Rca Corporation | Corrugated shadow mask assembly for a cathode ray tube |
-
1978
- 1978-09-08 US US05/940,570 patent/US4187443A/en not_active Expired - Lifetime
-
1979
- 1979-08-28 CA CA334,538A patent/CA1128981A/fr not_active Expired
- 1979-08-31 IT IT25425/79A patent/IT1122937B/it active
- 1979-08-31 FI FI792716A patent/FI792716A/fi not_active Application Discontinuation
- 1979-09-04 JP JP11406279A patent/JPS5537795A/ja active Granted
- 1979-09-05 GB GB7930709A patent/GB2030062B/en not_active Expired
- 1979-09-06 PL PL21815479A patent/PL218154A1/xx unknown
- 1979-09-07 AT AT0592179A patent/AT375783B/de not_active IP Right Cessation
- 1979-09-07 DE DE19792936233 patent/DE2936233A1/de not_active Withdrawn
- 1979-09-07 FR FR7922457A patent/FR2435804A1/fr active Granted
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2218642A1 (fr) * | 1973-02-21 | 1974-09-13 | Hitachi Ltd | |
FR2397063A1 (fr) * | 1977-07-08 | 1979-02-02 | Rca Corp | Perfectionnements apportes aux tubes a rayons cathodiques |
Also Published As
Publication number | Publication date |
---|---|
CA1128981A (fr) | 1982-08-03 |
US4187443A (en) | 1980-02-05 |
PL218154A1 (fr) | 1980-08-11 |
JPS5537795A (en) | 1980-03-15 |
FI792716A (fi) | 1980-03-09 |
GB2030062A (en) | 1980-04-02 |
ATA592179A (de) | 1984-01-15 |
IT1122937B (it) | 1986-04-30 |
GB2030062B (en) | 1982-06-23 |
AT375783B (de) | 1984-09-10 |
DE2936233A1 (de) | 1980-03-13 |
JPS5747530B2 (fr) | 1982-10-09 |
IT7925425A0 (it) | 1979-08-31 |
FR2435804B1 (fr) | 1983-07-18 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
JPS54140391A (en) | Man-conveyor | |
DE102019000039A1 (de) | Verfahren zur Herstellung einer dichtungsbildenden Platte | |
FR2435804A1 (fr) | Procede de fabrication d'un tube image couleur a masque ondule perfore et tube image couleur ainsi fabrique | |
MA19009A1 (fr) | Procede pour produire de l'acide phosphorique et du gypse a partir de phosphorite,permettant de recuperer facilement l'uranium | |
FR2443301A1 (fr) | Procede pour fabriquer des elements d'accouplement de fermetures a glissiere | |
NO831824L (no) | Fremgangsmaate ved fremstilling av en pressform | |
JPS5641032A (en) | Hemming method of aluminum or aluminum alloy plate | |
FR2480483B1 (fr) | Procede de production d'un lingot composite pour la fabrication de tubes de gainage d'elements combustibles nucleaires | |
KR840003139A (ko) | 컬러 수상관용 마스크의 제작법 | |
FR2330135A1 (fr) | Procede pour la fabrication d'un tube d'images de television en couleur, et tube fabrique de la sorte | |
DE2511205C3 (de) | Verfahren zur Herstellung eines Paares zueinander gehöriger Reproduktionsmasken, die bei der Herstellung einer Farbauswahlelektrode für Farbbildröhren verwendet werden, und Vorrichtung zur Durchführung dieses Verfahrens | |
DE69936380T2 (de) | Wärmeaustauschplatte und plattenwärmetauscher | |
JPS55147445A (en) | Working and assembling method of reinforcing bar for pc curtain wall panel | |
JPS566750A (en) | Production of irregular shape metal strip | |
JPS5624262A (en) | Manufacture of metal ring for oil seal | |
FR2487853B1 (fr) | Procede d'elaboration de fonte a graphite compact-vermiculaire, et fonte ainsi obtenue | |
JPS6340631Y2 (fr) | ||
JPS57184757A (en) | Sprocket and manufacturing thereof | |
AT203182B (de) | Endkammer für Radiatoren sowei Verfahren zu ihrer Herstellung | |
DE1753244A1 (de) | Verbindungsnippel fuer Radiatorenglieder und Verfahren zu seiner Herstellung | |
Yuying et al. | Shape-choice partition and size-determination method for the blanks for the drawing of boxes | |
JPS56139235A (en) | Formation of inclined end part of square cylindrical body | |
CH349945A (de) | Verfahren zur Herstellung einer Endkammer für Heizkörper und nach dem Verfahren hergestellter Heizkörper | |
JPS55141329A (en) | C-forming method in uo steel pipe production process | |
JPS55163346A (en) | Manufacturing method of antivibration component |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |