FR2455489A1 - Procede pour former un trou a bords arrondis dans une tole d'acier devant constituer l'ame d'une plaque a circuit imprime et ame ainsi obtenue - Google Patents

Procede pour former un trou a bords arrondis dans une tole d'acier devant constituer l'ame d'une plaque a circuit imprime et ame ainsi obtenue

Info

Publication number
FR2455489A1
FR2455489A1 FR8009536A FR8009536A FR2455489A1 FR 2455489 A1 FR2455489 A1 FR 2455489A1 FR 8009536 A FR8009536 A FR 8009536A FR 8009536 A FR8009536 A FR 8009536A FR 2455489 A1 FR2455489 A1 FR 2455489A1
Authority
FR
France
Prior art keywords
core
hole
forming
printed circuit
steel sheet
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
Application number
FR8009536A
Other languages
English (en)
Other versions
FR2455489B1 (fr
Inventor
George John Whitley
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 Corp
Original Assignee
RCA 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 Corp filed Critical RCA Corp
Publication of FR2455489A1 publication Critical patent/FR2455489A1/fr
Application granted granted Critical
Publication of FR2455489B1 publication Critical patent/FR2455489B1/fr
Expired legal-status Critical Current

Links

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B21MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21DWORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D19/00Flanging or other edge treatment, e.g. of tubes
    • B21D19/005Edge deburring or smoothing
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B21MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21DWORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D28/00Shaping by press-cutting; Perforating
    • B21D28/24Perforating, i.e. punching holes
    • HELECTRICITY
    • H05ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05KPRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K3/00Apparatus or processes for manufacturing printed circuits
    • H05K3/44Manufacturing insulated metal core circuits or other insulated electrically conductive core circuits
    • H05K3/445Manufacturing insulated metal core circuits or other insulated electrically conductive core circuits having insulated holes or insulated via connections through the metal core
    • HELECTRICITY
    • H05ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05KPRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K1/00Printed circuits
    • H05K1/02Details
    • H05K1/03Use of materials for the substrate
    • H05K1/05Insulated conductive substrates, e.g. insulated metal substrate
    • H05K1/053Insulated conductive substrates, e.g. insulated metal substrate the metal substrate being covered by an inorganic insulating layer
    • HELECTRICITY
    • H05ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05KPRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K2201/00Indexing scheme relating to printed circuits covered by H05K1/00
    • H05K2201/03Conductive materials
    • H05K2201/0332Structure of the conductor
    • H05K2201/0364Conductor shape
    • H05K2201/0382Continuously deformed conductors
    • HELECTRICITY
    • H05ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05KPRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K2201/00Indexing scheme relating to printed circuits covered by H05K1/00
    • H05K2201/09Shape and layout
    • H05K2201/09818Shape or layout details not covered by a single group of H05K2201/09009 - H05K2201/09809
    • H05K2201/09827Tapered, e.g. tapered hole, via or groove
    • HELECTRICITY
    • H05ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05KPRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K2203/00Indexing scheme relating to apparatus or processes for manufacturing printed circuits covered by H05K3/00
    • H05K2203/01Tools for processing; Objects used during processing
    • H05K2203/0104Tools for processing; Objects used during processing for patterning or coating
    • H05K2203/0108Male die used for patterning, punching or transferring
    • HELECTRICITY
    • H05ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05KPRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K2203/00Indexing scheme relating to apparatus or processes for manufacturing printed circuits covered by H05K3/00
    • H05K2203/03Metal processing
    • H05K2203/0323Working metal substrate or core, e.g. by etching, deforming
    • HELECTRICITY
    • H05ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05KPRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K3/00Apparatus or processes for manufacturing printed circuits
    • H05K3/0011Working of insulating substrates or insulating layers
    • H05K3/0044Mechanical working of the substrate, e.g. drilling or punching
    • H05K3/005Punching of holes
    • YGENERAL 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
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10TTECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00Metal working
    • Y10T29/49Method of mechanical manufacture
    • Y10T29/49002Electrical device making
    • Y10T29/49117Conductor or circuit manufacturing
    • Y10T29/49124On flat or curved insulated base, e.g., printed circuit, etc.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Insulated Metal Substrates For Printed Circuits (AREA)
  • Perforating, Stamping-Out Or Severing By Means Other Than Cutting (AREA)
  • Manufacturing Cores, Coils, And Magnets (AREA)
  • Shaping Metal By Deep-Drawing, Or The Like (AREA)

Abstract

CE PROCEDE COMPREND LA FORMATION, DANS LA TOLE 10, D'UN TROU 12 DONT LA DIMENSION TRANSVERSALE EST PLUS GRANDE QUE LA DIMENSION FINALE DESIREE ET LE MATRICAGE DES BORDS 14, 16, PAR DES MATRICES 60, 62, AVEC REFOULEMENT DE L'ACIER DES BORDS DANS LE TROU ET, EN MEME TEMPS, COMPRESSION DE L'ACIER REFOULE EN SURFACES ARRONDIES QUI SONT CONTINUES ET SE RACCORDENT EN DOUCEUR L'UNE A L'AUTRE A L'INTERIEUR DU TROU 12 ET AUX SURFACES 18, 20 DE LA TOLE EN DEHORS DU TROU.
FR8009536A 1979-05-04 1980-04-28 Procede pour former un trou a bords arrondis dans une tole d'acier devant constituer l'ame d'une plaque a circuit imprime et ame ainsi obtenue Expired FR2455489B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US06/036,189 US4248075A (en) 1979-05-04 1979-05-04 Method of forming aperture with rounded edges in sheet material

Publications (2)

Publication Number Publication Date
FR2455489A1 true FR2455489A1 (fr) 1980-11-28
FR2455489B1 FR2455489B1 (fr) 1985-07-19

Family

ID=21887148

Family Applications (1)

Application Number Title Priority Date Filing Date
FR8009536A Expired FR2455489B1 (fr) 1979-05-04 1980-04-28 Procede pour former un trou a bords arrondis dans une tole d'acier devant constituer l'ame d'une plaque a circuit imprime et ame ainsi obtenue

Country Status (4)

Country Link
US (1) US4248075A (fr)
JP (1) JPS594880B2 (fr)
DE (1) DE3016769C2 (fr)
FR (1) FR2455489B1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0348279A1 (fr) * 1988-06-22 1989-12-27 René TOUROLLE ET FILS Société à Responsabilité Limitée Procédé d'usinage de finition de deux arêtes opposées d'une même pièce et dispositif pour la mise en oeuvre du procédé

Families Citing this family (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5790999A (en) * 1980-11-26 1982-06-05 Anritsu Electric Co Ltd Method of producing metallic printed board
US5073840A (en) * 1988-10-06 1991-12-17 Microlithics Corporation Circuit board with coated metal support structure and method for making same
US5081766A (en) * 1990-10-11 1992-01-21 Siemens Automotive L.P. Method of making an electrically-operated fluid valve having improved sealing of the valve needle to the valve seat when the valve is closed
DE4332172A1 (de) * 1993-09-22 1995-03-23 Bosch Gmbh Robert Anschlußträger und Verfahren zum Herstellen von metallischen Anschlußträgern bzw. zum Befestigen von Metalldrähten an Anschlußträgern
US5943897A (en) * 1997-04-30 1999-08-31 Exedy Corporation Method for making a hole in a plate and a punch for making such a hole
US7047786B2 (en) * 1998-03-17 2006-05-23 Stresswave, Inc. Method and apparatus for improving the fatigue life of components and structures
US6711928B1 (en) 1998-03-17 2004-03-30 Stresswave, Inc. Method and apparatus for producing beneficial stresses around apertures, and improved fatigue life products made by the method
JP3664880B2 (ja) * 1998-07-08 2005-06-29 栃木富士産業株式会社 面取り用金型および該金型を用いた面取り加工方法
US6071594A (en) * 1999-06-22 2000-06-06 Maytag Corporation Metal, protective coated appliance component with rounded, elongated edge and method of producing the same
BR0108257A (pt) * 2000-02-09 2003-03-05 Stresswave Inc Ferramental para trabalhar uma estrutura para aumentar a resistência à fadiga em uma localização selecionada na mencionada estrutura, método para trabalhar uma porção limìtrofe de material em uma estrutura, junta, método para fabricar uma junta aparelho para trabalhar a frio uma peça de trabalho, método para fabricar uma peça de trabalho para ter uma estrutura com maior vida sem fadiga, placa metálica, método para fazer uma parte de metal espessa, artigo de fabricação, e, parte acabada
US20050213256A1 (en) * 2004-03-29 2005-09-29 Dexter David D Snap ring with debris-reducing cross-sectional profile
FR2876928B1 (fr) * 2004-10-21 2007-01-26 Plastic Omnium Cie Procede de fabrication d'une piece peinte en matiere plastique pour l'industrie automobile, comportant un orifice ayant une embouchure rayonnee et piece ainsi obtenue
JP2007216293A (ja) * 2006-02-20 2007-08-30 Tsubakimoto Chain Co 鋼板製スプロケット及びその製造方法
US7909902B2 (en) * 2008-06-12 2011-03-22 International Business Machines Corporation Modified hexagonal perforated pattern
DE102013100420A1 (de) * 2013-01-16 2014-07-17 Rehau Ag + Co Verfahren zur Herstellung eines polymeren Kfz-Bauteils
WO2014176657A1 (fr) * 2013-05-01 2014-11-06 Murray Ronald Harman Haut-parleur électrostatique, outils et procédés permettant de fabriquer ces derniers
US9908167B1 (en) * 2015-03-02 2018-03-06 Western Digital Technologies, Inc. Disk drive tolerance ring with edge rounding from opposite major faces
DE102017100961A1 (de) * 2017-01-19 2018-07-19 GEDIA Gebrüder Dingerkus GmbH Verfahren zur Vorbereitung von Metallblech für eine Beschichtung
CN108466225B (zh) * 2018-03-09 2019-11-26 江苏众志新禹环境科技有限公司 一种过滤膜板密封圈二次冲压工装及其冲压方法
DE102022102359B3 (de) 2022-02-01 2023-05-25 Bette Gmbh & Co. Kg Verfahren zum Herstellen einer Sanitärwanne und Sanitärwanne

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3434327A (en) * 1966-11-01 1969-03-25 Mc Donnell Douglas Corp Stress coining
US3455138A (en) * 1965-07-20 1969-07-15 Krebsoege Gmbh Sintermetall Methods and apparatus for removing burrs from sintered work pieces

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DD9649A (fr) *
US2737831A (en) * 1950-06-02 1956-03-13 American Viscose Corp Process for making a spinneret
US3943745A (en) * 1975-03-27 1976-03-16 Paul William A Piercing and coining apparatus

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3455138A (en) * 1965-07-20 1969-07-15 Krebsoege Gmbh Sintermetall Methods and apparatus for removing burrs from sintered work pieces
DE1483707A1 (fr) * 1965-07-20 1969-11-06
US3434327A (en) * 1966-11-01 1969-03-25 Mc Donnell Douglas Corp Stress coining

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
EXBK/78 *

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0348279A1 (fr) * 1988-06-22 1989-12-27 René TOUROLLE ET FILS Société à Responsabilité Limitée Procédé d'usinage de finition de deux arêtes opposées d'une même pièce et dispositif pour la mise en oeuvre du procédé
FR2633207A1 (fr) * 1988-06-22 1989-12-29 Tourolle Fils Rene Procede d'usinage de finition de deux aretes opposees d'une meme piece et dispositif pour la mise en oeuvre du procede

Also Published As

Publication number Publication date
JPS55150294A (en) 1980-11-22
DE3016769A1 (de) 1980-11-06
FR2455489B1 (fr) 1985-07-19
JPS594880B2 (ja) 1984-02-01
DE3016769C2 (de) 1983-03-03
US4248075A (en) 1981-02-03

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