FR839671A - Improvements in molding of plastics and other moldable materials - Google Patents

Improvements in molding of plastics and other moldable materials

Info

Publication number
FR839671A
FR839671A FR839671DA FR839671A FR 839671 A FR839671 A FR 839671A FR 839671D A FR839671D A FR 839671DA FR 839671 A FR839671 A FR 839671A
Authority
FR
France
Prior art keywords
plastics
molding
moldable materials
moldable
materials
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
Other languages
French (fr)
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.)
Combined Optical Industries Ltd
Original Assignee
Combined Optical Industries 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 Combined Optical Industries Ltd filed Critical Combined Optical Industries Ltd
Application granted granted Critical
Publication of FR839671A publication Critical patent/FR839671A/en
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
    • B29D11/00—Producing optical elements, e.g. lenses or prisms
    • B29D11/00009—Production of simple or compound lenses
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Health & Medical Sciences (AREA)
  • Manufacturing & Machinery (AREA)
  • Ophthalmology & Optometry (AREA)
  • Mechanical Engineering (AREA)
FR839671D 1938-06-23 1938-06-23 Improvements in molding of plastics and other moldable materials Expired FR839671A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR839671T 1938-06-23

Publications (1)

Publication Number Publication Date
FR839671A true FR839671A (en) 1939-04-07

Family

ID=9299618

Family Applications (1)

Application Number Title Priority Date Filing Date
FR839671D Expired FR839671A (en) 1938-06-23 1938-06-23 Improvements in molding of plastics and other moldable materials

Country Status (1)

Country Link
FR (1) FR839671A (en)

Similar Documents

Publication Publication Date Title
FR1090832A (en) Improvements in the molding of thermosetting resins
FR823470A (en) Plastic material
FR862444A (en) Improvements in plastic molding
FR839671A (en) Improvements in molding of plastics and other moldable materials
FR1063798A (en) Improvement in the closing of plastic envelopes
FR847504A (en) Plastics
FR829604A (en) Improvements in plastic molding
FR1064777A (en) Improvements in injection molding of thermoplastic materials and the like
FR823084A (en) Improvements in molding and demoulding of concrete or other plastic elements
FR49370E (en) Molded material valves
FR804269A (en) Improvements in the processing of chocolate or other semi-liquid or plastic substances
GB518074A (en) Improvements in and relating to articles and materials composed of reinforced synthetic resin or like plastic substances
FR861871A (en) Improvements in injection or extrusion molding
FR855034A (en) Ingot mold and other advanced molds
FR840056A (en) Molded material
FR792026A (en) Improvements in the preparation and molding of synthetic resins
FR832183A (en) Improvements in couplings and others
FR841415A (en) Dismountable and transformable constructions in wood or other suitable material
FR49939E (en) Dismountable and transformable constructions in wood or other suitable material
FR852721A (en) Improvement in ingot molds and other molds
FR528630A (en) Improvement in the molding of certain toys and other objects
AU105276B2 (en) Improvements in and relating to moulds for plastic material
FR777872A (en) Advanced elastic and plastic binding materials
FR814013A (en) Gasifier using wood and other woody materials
FR837636A (en) Plastic material