AU2959484A - Centrifugal casting - Google Patents

Centrifugal casting

Info

Publication number
AU2959484A
AU2959484A AU29594/84A AU2959484A AU2959484A AU 2959484 A AU2959484 A AU 2959484A AU 29594/84 A AU29594/84 A AU 29594/84A AU 2959484 A AU2959484 A AU 2959484A AU 2959484 A AU2959484 A AU 2959484A
Authority
AU
Australia
Prior art keywords
centrifugal casting
centrifugal
casting
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.)
Granted
Application number
AU29594/84A
Other versions
AU566289B2 (en
Inventor
Robert E. Glick
David L. Rawlings
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.)
Hydron Ltd
Original Assignee
Polymatic Investment Corp NV
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 US06/490,634 external-priority patent/US4517138A/en
Application filed by Polymatic Investment Corp NV filed Critical Polymatic Investment Corp NV
Publication of AU2959484A publication Critical patent/AU2959484A/en
Application granted granted Critical
Publication of AU566289B2 publication Critical patent/AU566289B2/en
Assigned to HYDRON LIMITED reassignment HYDRON LIMITED Alteration of Name(s) in Register under S187 Assignors: ALLERGAN, INC.
Anticipated expiration legal-status Critical
Expired 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
    • B29C41/00—Shaping by coating a mould, core or other substrate, i.e. by depositing material and stripping-off the shaped article; Apparatus therefor
    • B29C41/02—Shaping by coating a mould, core or other substrate, i.e. by depositing material and stripping-off the shaped article; Apparatus therefor for making articles of definite length, i.e. discrete articles
    • B29C41/04—Rotational or centrifugal casting, i.e. coating the inside of a mould by rotating the mould
    • B29C41/042—Rotational or centrifugal casting, i.e. coating the inside of a mould by rotating the mould by rotating a mould around its axis of symmetry
    • B29C41/045—Rotational or centrifugal casting, i.e. coating the inside of a mould by rotating the mould by rotating a mould around its axis of symmetry the axis being placed vertically, e.g. spin casting
    • 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
    • B29C33/00—Moulds or cores; Details thereof or accessories therefor
    • B29C33/34—Moulds or cores; Details thereof or accessories therefor movable, e.g. to or from the moulding station
    • 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
    • B29K2033/00—Use of polymers of unsaturated acids or derivatives thereof as moulding material
    • B29K2033/04—Polymers of esters
    • 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
    • B29K2105/00—Condition, form or state of moulded material or of the material to be shaped
    • B29K2105/0002—Condition, form or state of moulded material or of the material to be shaped monomers or prepolymers
    • 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
    • B29L2011/00—Optical elements, e.g. lenses, prisms
    • B29L2011/0016—Lenses
    • B29L2011/0041—Contact lenses

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Casting Or Compression Moulding Of Plastics Or The Like (AREA)
AU29594/84A 1983-05-02 1984-06-21 Centrifugal casting Expired AU566289B2 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US06/490,634 US4517138A (en) 1983-05-02 1983-05-02 Device and method for centrifugally casting articles

Publications (2)

Publication Number Publication Date
AU2959484A true AU2959484A (en) 1986-01-02
AU566289B2 AU566289B2 (en) 1987-10-15

Family

ID=23948876

Family Applications (1)

Application Number Title Priority Date Filing Date
AU29594/84A Expired AU566289B2 (en) 1983-05-02 1984-06-21 Centrifugal casting

Country Status (2)

Country Link
JP (1) JPS6127216A (en)
AU (1) AU566289B2 (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU569093B2 (en) * 1983-07-11 1988-01-21 Hydron Limited Charging of contact lenses moulds into a vertical rotary polymerisation column
AU569523B2 (en) * 1983-05-02 1988-02-04 Allergan, Inc. Continuous centrifugal casting of plastic contact lenses

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU580737B2 (en) * 1983-07-18 1989-02-02 Data General Corporation Modular computer system

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4517139A (en) * 1983-05-02 1985-05-14 International Hydron Corporation Device and method for centrifugally casting articles on a continuous basis

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU569523B2 (en) * 1983-05-02 1988-02-04 Allergan, Inc. Continuous centrifugal casting of plastic contact lenses
AU569093B2 (en) * 1983-07-11 1988-01-21 Hydron Limited Charging of contact lenses moulds into a vertical rotary polymerisation column

Also Published As

Publication number Publication date
JPH0316892B2 (en) 1991-03-06
AU566289B2 (en) 1987-10-15
JPS6127216A (en) 1986-02-06

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