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BE773957A - METHOD AND APPARATUS FOR PRESSING THERMOPLASTIC SUBJECTS, AND IN PARTICULAR PHONOGRAPHIC DISCS - Google Patents

METHOD AND APPARATUS FOR PRESSING THERMOPLASTIC SUBJECTS, AND IN PARTICULAR PHONOGRAPHIC DISCS

Info

Publication number
BE773957A
BE773957A BE773957A BE773957A BE773957A BE 773957 A BE773957 A BE 773957A BE 773957 A BE773957 A BE 773957A BE 773957 A BE773957 A BE 773957A BE 773957 A BE773957 A BE 773957A
Authority
BE
Belgium
Prior art keywords
subjects
pressing thermoplastic
phonographic discs
phonographic
discs
Prior art date
Application number
BE773957A
Other languages
French (fr)
Original Assignee
Renoux Robert
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 Renoux Robert filed Critical Renoux Robert
Publication of BE773957A publication Critical patent/BE773957A/en

Links

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29DPRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE
    • B29D17/00Producing carriers of records containing fine grooves or impressions, e.g. disc records for needle playback, cylinder records; Producing record discs from master stencils
    • B29D17/002Producing phonograph records
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C35/00Heating, cooling or curing, e.g. crosslinking or vulcanising; Apparatus therefor
    • B29C35/02Heating or curing, e.g. crosslinking or vulcanizing during moulding, e.g. in a mould
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C43/00Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor
    • B29C43/02Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor of articles of definite length, i.e. discrete articles
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C43/00Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor
    • B29C43/32Component parts, details or accessories; Auxiliary operations
    • B29C43/52Heating or cooling
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C45/00Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
    • B29C45/17Component parts, details or accessories; Auxiliary operations
    • B29C45/46Means for plasticising or homogenising the moulding material or forcing it into the mould
    • B29C45/56Means for plasticising or homogenising the moulding material or forcing it into the mould using mould parts movable during or after injection, e.g. injection-compression moulding
    • B29C45/568Applying vibrations to the mould parts
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C35/00Heating, cooling or curing, e.g. crosslinking or vulcanising; Apparatus therefor
    • B29C35/02Heating or curing, e.g. crosslinking or vulcanizing during moulding, e.g. in a mould
    • B29C35/0261Heating or curing, e.g. crosslinking or vulcanizing during moulding, e.g. in a mould using ultrasonic or sonic vibrations
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29LINDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
    • B29L2017/00Carriers for sound or information
    • B29L2017/001Carriers of records containing fine grooves or impressions, e.g. disc records for needle playback, cylinder records
    • B29L2017/003Records or discs

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • Oral & Maxillofacial Surgery (AREA)
  • Thermal Sciences (AREA)
  • Lining Or Joining Of Plastics Or The Like (AREA)
  • Casting Or Compression Moulding Of Plastics Or The Like (AREA)
BE773957A 1970-10-20 1971-10-14 METHOD AND APPARATUS FOR PRESSING THERMOPLASTIC SUBJECTS, AND IN PARTICULAR PHONOGRAPHIC DISCS BE773957A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7037736A FR2110497A5 (en) 1970-10-20 1970-10-20

Publications (1)

Publication Number Publication Date
BE773957A true BE773957A (en) 1972-04-14

Family

ID=9062970

Family Applications (1)

Application Number Title Priority Date Filing Date
BE773957A BE773957A (en) 1970-10-20 1971-10-14 METHOD AND APPARATUS FOR PRESSING THERMOPLASTIC SUBJECTS, AND IN PARTICULAR PHONOGRAPHIC DISCS

Country Status (11)

Country Link
JP (1) JPS5227182B1 (en)
BE (1) BE773957A (en)
CA (1) CA981407A (en)
DE (1) DE2151337A1 (en)
DK (1) DK131808C (en)
FR (1) FR2110497A5 (en)
GB (1) GB1355697A (en)
LU (1) LU64095A1 (en)
NL (1) NL7114332A (en)
OA (1) OA03817A (en)
SE (1) SE374508B (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2451259A1 (en) * 1979-03-14 1980-10-10 Ibar Jean Pierre Altering physical or physico:chemical properties of polymers etc. - by combining cooling with other effects such as pressure and vibration
FR2530183B1 (en) * 1982-07-13 1988-01-22 Legrand Sa VIBRATORY ASSISTANCE DEVICE FOR MOLDING INSTALLATION, PARTICULARLY FOR SYNTHETIC MATERIAL
ES1075859Y (en) * 2011-11-14 2012-03-14 Fundacio Privada Ascamm ULTRASOUND PLASTIC MICROPIEZ MOLDING DEVICE

Also Published As

Publication number Publication date
JPS5227182B1 (en) 1977-07-19
OA03817A (en) 1971-12-24
DK131808C (en) 1976-02-09
FR2110497A5 (en) 1972-06-02
NL7114332A (en) 1972-04-24
CA981407A (en) 1976-01-13
DE2151337A1 (en) 1972-04-27
GB1355697A (en) 1974-06-05
SE374508B (en) 1975-03-10
LU64095A1 (en) 1972-06-28
DK131808B (en) 1975-09-08

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