ZA761571B - Method of producing an optical moulding from a heat softenable transparent plastics material - Google Patents

Method of producing an optical moulding from a heat softenable transparent plastics material

Info

Publication number
ZA761571B
ZA761571B ZA761571A ZA761571A ZA761571B ZA 761571 B ZA761571 B ZA 761571B ZA 761571 A ZA761571 A ZA 761571A ZA 761571 A ZA761571 A ZA 761571A ZA 761571 B ZA761571 B ZA 761571B
Authority
ZA
South Africa
Prior art keywords
producing
plastics material
transparent plastics
heat softenable
moulding
Prior art date
Application number
ZA761571A
Inventor
G Krantz
Original Assignee
Muenchmeyer H Kg
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 Muenchmeyer H Kg filed Critical Muenchmeyer H Kg
Publication of ZA761571B publication Critical patent/ZA761571B/en

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
    • B29C67/00—Shaping techniques not covered by groups B29C39/00 - B29C65/00, B29C70/00 or B29C73/00
    • B29C67/0044—Shaping techniques not covered by groups B29C39/00 - B29C65/00, B29C70/00 or B29C73/00 for shaping edges or extremities
    • 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
    • B29B13/02—Conditioning or physical treatment of the material to be shaped by heating
    • B29B13/023—Half-products, e.g. films, plates
    • 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
    • B29C35/00—Heating, cooling or curing, e.g. crosslinking or vulcanising; Apparatus therefor
    • B29C35/02—Heating or curing, e.g. crosslinking or vulcanizing during moulding, e.g. in a mould
    • B29C35/0266—Local curing
    • 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
    • B29D11/00—Producing optical elements, e.g. lenses or prisms
    • B29D11/0074—Production of other optical elements not provided for in B29D11/00009- B29D11/0073
    • 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
    • B29C43/027—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor of articles of definite length, i.e. discrete articles having an axis of symmetry
    • B29C2043/029—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor of articles of definite length, i.e. discrete articles having an axis of symmetry using axial compression along a longitudinal axis
    • 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
    • B29C43/52—Heating or cooling
    • B29C2043/522—Heating or cooling selectively heating a part of the mould to achieve partial heating, differential heating
    • 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
    • B29C2793/00—Shaping techniques involving a cutting or machining operation
    • B29C2793/009—Shaping techniques involving a cutting or machining operation after shaping
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
    • B29K2995/00—Properties of moulding materials, reinforcements, fillers, preformed parts or moulds
    • B29K2995/0037—Other properties
    • B29K2995/0072—Roughness, e.g. anti-slip
    • B29K2995/0073—Roughness, e.g. anti-slip smooth

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Manufacturing & Machinery (AREA)
  • Ophthalmology & Optometry (AREA)
  • Oral & Maxillofacial Surgery (AREA)
  • Re-Forming, After-Treatment, Cutting And Transporting Of Glass Products (AREA)
  • Casting Or Compression Moulding Of Plastics Or The Like (AREA)
  • Blow-Moulding Or Thermoforming Of Plastics Or The Like (AREA)
  • Moulds For Moulding Plastics Or The Like (AREA)
ZA761571A 1975-04-03 1976-03-15 Method of producing an optical moulding from a heat softenable transparent plastics material ZA761571B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2514644A DE2514644C3 (en) 1975-04-03 1975-04-03 Method and device for manufacturing watch glasses

Publications (1)

Publication Number Publication Date
ZA761571B true ZA761571B (en) 1977-03-30

Family

ID=5943044

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA761571A ZA761571B (en) 1975-04-03 1976-03-15 Method of producing an optical moulding from a heat softenable transparent plastics material

Country Status (13)

Country Link
JP (1) JPS51121074A (en)
AU (1) AU1268276A (en)
BE (1) BE839720A (en)
CH (2) CH593508B5 (en)
DE (1) DE2514644C3 (en)
DK (1) DK87376A (en)
FR (1) FR2306065A1 (en)
GB (1) GB1546657A (en)
HK (1) HK59780A (en)
IT (1) IT1058934B (en)
NL (1) NL7602673A (en)
SE (1) SE7603768L (en)
ZA (1) ZA761571B (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59134883A (en) * 1983-01-20 1984-08-02 Mitsubishi Electric Corp Photosemiconductor device
JPS60130638U (en) * 1984-02-10 1985-09-02 株式会社　三社電機製作所 semiconductor equipment
DE10352112A1 (en) * 2003-11-04 2005-06-16 Veka Ag Unit to smooth the edges of extruded thermoplastic boards e.g. integral foam boards, has a guide groove with a heater at the end surface and cooling elements at the facing groove side surfaces
DE102004027561A1 (en) * 2003-11-04 2005-12-29 Veka Ag Smoothing device and edge processing system for a side edge of a thermoplastic sheet
CN106630561A (en) * 2017-01-18 2017-05-10 东莞华清光学科技有限公司 Mold for hot bending 2D (Two-Dimensional) glass lens and hot bending process applying mold

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5036850B2 (en) * 1971-12-09 1975-11-28

Also Published As

Publication number Publication date
DE2514644C3 (en) 1979-09-13
FR2306065A1 (en) 1976-10-29
JPS51121074A (en) 1976-10-22
GB1546657A (en) 1979-05-31
BE839720A (en) 1976-07-16
SE7603768L (en) 1976-10-04
DE2514644B2 (en) 1979-01-18
FR2306065B1 (en) 1978-06-23
CH593508B5 (en) 1977-12-15
NL7602673A (en) 1976-10-05
DE2514644A1 (en) 1976-10-14
JPS546068B2 (en) 1979-03-24
IT1058934B (en) 1982-05-10
DK87376A (en) 1976-10-04
AU1268276A (en) 1977-10-13
HK59780A (en) 1980-10-31
CH376676A4 (en) 1977-04-15

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