DE3213045C2 - Vorrichtung zur Herstellung von Vorformlingen aus Kunststoff für die spätere Verpressung zu Informationsträgern - Google Patents

Vorrichtung zur Herstellung von Vorformlingen aus Kunststoff für die spätere Verpressung zu Informationsträgern

Info

Publication number
DE3213045C2
DE3213045C2 DE3213045A DE3213045A DE3213045C2 DE 3213045 C2 DE3213045 C2 DE 3213045C2 DE 3213045 A DE3213045 A DE 3213045A DE 3213045 A DE3213045 A DE 3213045A DE 3213045 C2 DE3213045 C2 DE 3213045C2
Authority
DE
Germany
Prior art keywords
plate
mold
plastic
extrusion nozzle
molded part
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
DE3213045A
Other languages
German (de)
English (en)
Other versions
DE3213045A1 (de
Inventor
Tomeichiro Totsuka Yokohama Fukuda
Ikuo Furukawa
Takushi Sagamihara Kanagawa Hayashi
Fujio Ohta Tokio/Tokyo Kumata
Susumu Yokosuka Kanagawa Nagano
Takashi Setagaya Tokio/Tokyo Soda
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.)
Victor Company of Japan Ltd
Original Assignee
Victor Company of Japan Ltd
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 Victor Company of Japan Ltd filed Critical Victor Company of Japan Ltd
Publication of DE3213045A1 publication Critical patent/DE3213045A1/de
Application granted granted Critical
Publication of DE3213045C2 publication Critical patent/DE3213045C2/de
Expired legal-status Critical Current

Links

Classifications

    • 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
    • B29D17/00—Producing carriers of records containing fine grooves or impressions, e.g. disc records for needle playback, cylinder records; Producing record discs from master stencils
    • B29D17/005—Producing optically read record carriers, e.g. optical discs
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
    • B29B11/00—Making preforms
    • B29B11/06—Making preforms by moulding the material
    • B29B11/10—Extrusion moulding
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
    • B29B13/00—Conditioning or physical treatment of the material to be shaped
    • B29B13/10—Conditioning or physical treatment of the material to be shaped by grinding, e.g. by triturating; by sieving; by filtering
    • 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
    • B29C37/00—Component parts, details, accessories or auxiliary operations, not covered by group B29C33/00 or B29C35/00
    • B29C37/02—Deburring or deflashing
    • 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
    • B29C43/00—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor
    • B29C43/02—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor of articles of definite length, i.e. discrete articles
    • B29C43/14—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor of articles of definite length, i.e. discrete articles in several steps
    • 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
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S425/00—Plastic article or earthenware shaping or treating: apparatus
    • Y10S425/81—Sound record
    • 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
    • Y10T156/00—Adhesive bonding and miscellaneous chemical manufacture
    • Y10T156/10—Methods of surface bonding and/or assembly therefor
    • Y10T156/1052—Methods of surface bonding and/or assembly therefor with cutting, punching, tearing or severing
    • Y10T156/108—Flash, trim or excess removal
    • 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
    • Y10T156/00—Adhesive bonding and miscellaneous chemical manufacture
    • Y10T156/12—Surface bonding means and/or assembly means with cutting, punching, piercing, severing or tearing
    • Y10T156/1378—Cutter actuated by or secured to bonding element

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Casting Or Compression Moulding Of Plastics Or The Like (AREA)
  • Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
DE3213045A 1981-04-10 1982-04-07 Vorrichtung zur Herstellung von Vorformlingen aus Kunststoff für die spätere Verpressung zu Informationsträgern Expired DE3213045C2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP56054168A JPS57169326A (en) 1981-04-10 1981-04-10 Manufacturing apparatus of information recording medium

Publications (2)

Publication Number Publication Date
DE3213045A1 DE3213045A1 (de) 1982-10-28
DE3213045C2 true DE3213045C2 (de) 1985-02-14

Family

ID=12963007

Family Applications (2)

Application Number Title Priority Date Filing Date
DE3213045A Expired DE3213045C2 (de) 1981-04-10 1982-04-07 Vorrichtung zur Herstellung von Vorformlingen aus Kunststoff für die spätere Verpressung zu Informationsträgern
DE19823248967 Ceased DE3248967A1 (de) 1981-04-10 1982-04-07 Vorrichtung und verfahren zum abgraten eines aus einer elektrisch leitenden kunstharzmasse bestehenden informationstraeger-rohlings

Family Applications After (1)

Application Number Title Priority Date Filing Date
DE19823248967 Ceased DE3248967A1 (de) 1981-04-10 1982-04-07 Vorrichtung und verfahren zum abgraten eines aus einer elektrisch leitenden kunstharzmasse bestehenden informationstraeger-rohlings

Country Status (4)

Country Link
US (2) US4548777A (cg-RX-API-DMAC7.html)
JP (1) JPS57169326A (cg-RX-API-DMAC7.html)
DE (2) DE3213045C2 (cg-RX-API-DMAC7.html)
GB (1) GB2096940B (cg-RX-API-DMAC7.html)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2166999B (en) * 1984-11-16 1989-05-17 Emi Plc Thorn Apparatus for moulding a pre-form
US4942388A (en) * 1986-09-02 1990-07-17 Grumman Aerospace Corporation Real time color display
DE4030964A1 (de) * 1990-10-01 1992-04-02 Happich Gmbh Gebr Verfahren zum herstellen eines kunststofformteils
GB2270923B (en) * 1992-09-24 1995-11-08 Sandoz Ltd Fibre-reactive monoazo copper complexes
US5833902A (en) * 1996-10-24 1998-11-10 Husky Injection Molding Systems Ltd. Injection molding apparatus and process for changing mold elements
US6182730B1 (en) * 1997-04-11 2001-02-06 Grand Rapids Label Company Label cutting apparatus
JP2001513460A (ja) * 1997-08-07 2001-09-04 イー・アイ・デュポン・ドウ・ヌムール・アンド・カンパニー ペースト押出方法
CA2219054C (en) * 1997-10-23 2006-12-05 Mold-Masters Limited Injection molding apparatus having melt dividing bushings
US6267574B1 (en) * 1999-08-02 2001-07-31 Amsted Industries Incorporated Compacting press with picker system
USD516320S1 (en) 2004-07-15 2006-03-07 The Procter & Gamble Company Surface pattern of a paper product
USD510665S1 (en) 2004-09-29 2005-10-18 The Procter & Gamble Company Surface pattern for an embossed paper product
CN101947812B (zh) * 2010-09-09 2012-05-30 太原重工股份有限公司 炭素挤压机挤压杆的支承辊装置
US8105529B1 (en) 2011-01-20 2012-01-31 Bi Group Services Ltd Heated injection molding system and method
MX354053B (es) 2013-05-13 2018-02-09 Vorne Ind Inc Método y sistema para la organización y almacenamiento de información de un proceso de fabricación.

Family Cites Families (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1560368A (en) * 1925-01-12 1925-11-03 Bartels Amandus Method of producing unitary form pieces from casein artificial horn
BE531362A (cg-RX-API-DMAC7.html) * 1953-08-24
US3186029A (en) * 1962-08-23 1965-06-01 Metro Goldwyn Mayer Inc Machine for making disk phonograph records
GB1050603A (cg-RX-API-DMAC7.html) * 1964-08-24
US3412427A (en) * 1965-06-23 1968-11-26 Flusfeder Joseph Apparatus for manufacturing disc records
GB1187968A (en) * 1966-06-24 1970-04-15 Emi Ltd Apparatus for Moulding Gramophone Records.
US3662051A (en) * 1969-02-25 1972-05-09 Rca Corp Automatic record molding apparatus and method
US3937779A (en) * 1972-05-03 1976-02-10 Emi Limited Moulding of gramophone records
US3862815A (en) * 1973-07-20 1975-01-28 Valley Metallurg Processing Record producing apparatus
US3889563A (en) * 1973-12-26 1975-06-17 William S Westermann Apparatus for trimming and removing the flashing from phonograph records
US4005965A (en) * 1975-05-27 1977-02-01 Valley Metallurgical Processing Co., Inc. Record producing apparatus
US4064674A (en) * 1975-12-22 1977-12-27 Lened, Inc. Disc record manufacturing method and apparatus
US4034033A (en) * 1976-03-26 1977-07-05 Fredrick M. Kerr Method for recovering material from the centers of phonograph records
SE7905318L (sv) * 1978-06-28 1979-12-29 Gor Applic Speciali Srl Forfarande och anordning for framstellning av kascherade formdelar
JPS55148130A (en) * 1979-04-30 1980-11-18 Rca Corp Device for manufacturing disc record with molding center hole
US4281816A (en) * 1979-12-11 1981-08-04 Rca Corporation Automatic apparatus for molding a preform
US4380484A (en) * 1981-02-20 1983-04-19 William C. Heller, Jr. Inductively heated tooling and method for working plastic members

Also Published As

Publication number Publication date
GB2096940B (en) 1985-08-14
US4548777A (en) 1985-10-22
DE3213045A1 (de) 1982-10-28
GB2096940A (en) 1982-10-27
JPS57169326A (en) 1982-10-19
US4662835A (en) 1987-05-05
JPS6115815B2 (cg-RX-API-DMAC7.html) 1986-04-25
DE3248967A1 (de) 1983-09-22

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Legal Events

Date Code Title Description
OP8 Request for examination as to paragraph 44 patent law
D2 Grant after examination
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee