JPS57169325A - Manufacture of information carrier - Google Patents

Manufacture of information carrier

Info

Publication number
JPS57169325A
JPS57169325A JP5401181A JP5401181A JPS57169325A JP S57169325 A JPS57169325 A JP S57169325A JP 5401181 A JP5401181 A JP 5401181A JP 5401181 A JP5401181 A JP 5401181A JP S57169325 A JPS57169325 A JP S57169325A
Authority
JP
Japan
Prior art keywords
stamper
carrier
recording part
informations
rolls
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.)
Pending
Application number
JP5401181A
Other languages
Japanese (ja)
Inventor
Shinichi Oizumi
Kenkichi Matsubara
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.)
Nippon Columbia Co Ltd
Original Assignee
Nippon Columbia Co 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 Nippon Columbia Co Ltd filed Critical Nippon Columbia Co Ltd
Priority to JP5401181A priority Critical patent/JPS57169325A/en
Publication of JPS57169325A publication Critical patent/JPS57169325A/en
Pending legal-status Critical Current

Links

Classifications

    • 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
    • B29C43/32—Component parts, details or accessories; Auxiliary operations
    • B29C43/36—Moulds for making articles of definite length, i.e. discrete articles
    • B29C43/3697—Moulds for making articles of definite length, i.e. discrete articles comprising rollers or belts cooperating with non-rotating mould parts
    • 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
    • B29C43/021—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor of articles of definite length, i.e. discrete articles characterised by the shape of the surface
    • 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
    • B29C59/00—Surface shaping of articles, e.g. embossing; Apparatus therefor
    • B29C59/02—Surface shaping of articles, e.g. embossing; Apparatus therefor by mechanical means, e.g. pressing
    • 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
    • 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
    • B29C43/021—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor of articles of definite length, i.e. discrete articles characterised by the shape of the surface
    • B29C2043/023—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor of articles of definite length, i.e. discrete articles characterised by the shape of the surface having a plurality of grooves
    • B29C2043/025—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor of articles of definite length, i.e. discrete articles characterised by the shape of the surface having a plurality of grooves forming a microstructure, i.e. fine patterning
    • 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
    • B29C43/32—Component parts, details or accessories; Auxiliary operations
    • B29C43/44—Compression means for making articles of indefinite length
    • B29C43/46—Rollers
    • B29C2043/461—Rollers the rollers having specific surface features

Abstract

PURPOSE:To obtain an information carrier readily and at a low cost, by superimposing a stamper having a plurality of protrusions which prevent a shift at an information recording part and a part except the recording part on a plain sheet material of plastics etc. and inserting these between rolls. CONSTITUTION:After a plain sheet like material composed of plastic material etc. (e.g. acrylic resin, etc.) 2 is heated if necessary, it is superimposed with a stamper 1 which forms an information recording part 8-8' where informations are recorded as unevenness and a plurality of protrusions parts 11 at the outside of an outer peripheral circle 7 and the inside of a circular periphery 9, i.e. a label attaching part and inserted between two or more rolls 3, 4 and informations of the stamper are transfered. Finally the outer peripheral part 7 and a center hole 10 are removed and a desired carrier is obtained. EFFECT:Air bubbles are not contained in material, also the carrier of good flatness and label adherence is produced by a simple apparatus.
JP5401181A 1981-04-10 1981-04-10 Manufacture of information carrier Pending JPS57169325A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP5401181A JPS57169325A (en) 1981-04-10 1981-04-10 Manufacture of information carrier

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP5401181A JPS57169325A (en) 1981-04-10 1981-04-10 Manufacture of information carrier

Publications (1)

Publication Number Publication Date
JPS57169325A true JPS57169325A (en) 1982-10-19

Family

ID=12958639

Family Applications (1)

Application Number Title Priority Date Filing Date
JP5401181A Pending JPS57169325A (en) 1981-04-10 1981-04-10 Manufacture of information carrier

Country Status (1)

Country Link
JP (1) JPS57169325A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4569806A (en) * 1983-02-04 1986-02-11 U.S. Philips Corporation Method and device for manufacturing an information carrier of a synthetic material having a laminated structure
JP2009248431A (en) * 2008-04-04 2009-10-29 Japan Steel Works Ltd:The Manufacturing process and manufacturing apparatus of molding

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4569806A (en) * 1983-02-04 1986-02-11 U.S. Philips Corporation Method and device for manufacturing an information carrier of a synthetic material having a laminated structure
JP2009248431A (en) * 2008-04-04 2009-10-29 Japan Steel Works Ltd:The Manufacturing process and manufacturing apparatus of molding

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