NL174027B - Apparatus for one-sided pressing of spiral grooves in the surface of a thermoplastic plastic foil using pressure and heat. - Google Patents

Apparatus for one-sided pressing of spiral grooves in the surface of a thermoplastic plastic foil using pressure and heat.

Info

Publication number
NL174027B
NL174027B NL7217564A NL7217564A NL174027B NL 174027 B NL174027 B NL 174027B NL 7217564 A NL7217564 A NL 7217564A NL 7217564 A NL7217564 A NL 7217564A NL 174027 B NL174027 B NL 174027B
Authority
NL
Netherlands
Prior art keywords
heat
pressure
plastic foil
spiral grooves
thermoplastic plastic
Prior art date
Application number
NL7217564A
Other languages
Dutch (nl)
Other versions
NL7217564A (en
NL174027C (en
Original Assignee
Ted Bildplatten
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
Priority claimed from DE19712164678 external-priority patent/DE2164678C3/en
Application filed by Ted Bildplatten filed Critical Ted Bildplatten
Publication of NL7217564A publication Critical patent/NL7217564A/xx
Publication of NL174027B publication Critical patent/NL174027B/en
Application granted granted Critical
Publication of NL174027C publication Critical patent/NL174027C/en

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B30—PRESSES
    • B30B—PRESSES IN GENERAL
    • B30B15/00—Details of, or accessories for, presses; Auxiliary measures in connection with pressing
    • B30B15/06—Platens or press rams
    • 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
    • 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
    • B29C43/10—Isostatic pressing, i.e. using non-rigid pressure-exerting members against rigid parts or dies
    • B29C43/12—Isostatic pressing, i.e. using non-rigid pressure-exerting members against rigid parts or dies using bags surrounding the moulding material or using membranes contacting the moulding material
    • 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
    • B29C43/3642—Bags, bleeder sheets or cauls for isostatic pressing
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
    • B29L2017/00—Carriers for sound or information
    • B29L2017/001—Carriers of records containing fine grooves or impressions, e.g. disc records for needle playback, cylinder records
    • B29L2017/003—Records or discs

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Shaping Of Tube Ends By Bending Or Straightening (AREA)
  • Casting Or Compression Moulding Of Plastics Or The Like (AREA)
  • Moulds For Moulding Plastics Or The Like (AREA)
NL7217564A 1971-12-27 1972-12-22 Apparatus for one-sided pressing of spiral grooves in the surface of a thermoplastic plastic foil using pressure and heat. NL174027C (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19712164678 DE2164678C3 (en) 1971-12-27 Device for one-sided embossing of spiral grooves in the surface of a plastic film

Publications (3)

Publication Number Publication Date
NL7217564A NL7217564A (en) 1973-06-29
NL174027B true NL174027B (en) 1983-11-16
NL174027C NL174027C (en) 1984-04-16

Family

ID=5829294

Family Applications (1)

Application Number Title Priority Date Filing Date
NL7217564A NL174027C (en) 1971-12-27 1972-12-22 Apparatus for one-sided pressing of spiral grooves in the surface of a thermoplastic plastic foil using pressure and heat.

Country Status (9)

Country Link
JP (1) JPS5530978B2 (en)
AT (1) AT332140B (en)
BE (1) BE793335A (en)
CH (1) CH551271A (en)
FR (1) FR2166095B1 (en)
GB (1) GB1410060A (en)
IT (1) IT972963B (en)
NL (1) NL174027C (en)
SE (1) SE391672B (en)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL177721B (en) * 1977-03-14 1985-06-03 Philips Nv METHOD FOR MANUFACTURING A PLASTIC INFORMATION CARRIER WITH LAYERED STRUCTURE AND AN APPARATUS FOR CARRYING OUT THE METHOD
FR2430057A1 (en) * 1978-06-29 1980-01-25 Thomson Csf DEVICE FOR PRESSING FLEXIBLE DISCS AND PRESSING METHOD USING SUCH A DEVICE
FR2441475A1 (en) * 1978-11-16 1980-06-13 Tech Audio Viduelles DEVICE FOR PRESSING THERMOPLASTIC OBJECTS, IN PARTICULAR PHONOGRAPHIC DISCS
FR2450683A1 (en) * 1979-03-06 1980-10-03 Thomson Brandt METHOD AND APPARATUS FOR MAKING VIDEO DISC
NL7906117A (en) * 1979-08-10 1981-02-12 Philips Nv METHOD AND APPARATUS FOR MANUFACTURING A PLASTIC INFORMATION CARRIER
FR2468456A1 (en) * 1979-09-06 1981-05-08 Thomson Csf DEVICE FOR MOLDING INFORMATION CARRIER DISCS
JPS5789927A (en) * 1980-11-27 1982-06-04 Pioneer Video Corp Formation of information record plate
JPH0114979Y2 (en) * 1980-12-17 1989-05-02
JP5104228B2 (en) * 2006-11-10 2012-12-19 東レ株式会社 Fine shape transfer sheet manufacturing apparatus and fine shape transfer sheet manufacturing method

Also Published As

Publication number Publication date
AT332140B (en) 1976-09-10
DE2164678A1 (en) 1973-07-12
NL7217564A (en) 1973-06-29
FR2166095A1 (en) 1973-08-10
SE391672B (en) 1977-02-28
DE2164678B2 (en) 1974-02-28
FR2166095B1 (en) 1977-03-18
ATA1104872A (en) 1975-12-15
JPS5530978B2 (en) 1980-08-14
IT972963B (en) 1974-05-31
NL174027C (en) 1984-04-16
BE793335A (en) 1973-04-16
GB1410060A (en) 1975-10-15
CH551271A (en) 1974-07-15
JPS4873226A (en) 1973-10-03

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Legal Events

Date Code Title Description
BA A request for search or an international-type search has been filed
BB A search report has been drawn up
BC A request for examination has been filed
SNR Assignments of patents or rights arising from examined patent applications

Owner name: TELEFUNKEN FERNSEH UND RUNDFUNK GMBH

V1 Lapsed because of non-payment of the annual fee