JPH0316892B2 - - Google Patents

Info

Publication number
JPH0316892B2
JPH0316892B2 JP59149264A JP14926484A JPH0316892B2 JP H0316892 B2 JPH0316892 B2 JP H0316892B2 JP 59149264 A JP59149264 A JP 59149264A JP 14926484 A JP14926484 A JP 14926484A JP H0316892 B2 JPH0316892 B2 JP H0316892B2
Authority
JP
Japan
Prior art keywords
mold
polymerization
tube
column
lens
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 - Lifetime
Application number
JP59149264A
Other languages
English (en)
Japanese (ja)
Other versions
JPS6127216A (ja
Inventor
Eru Roringusu Deebitsudo
Ii Guritsuku Robaato
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.)
Allergan Inc
Original Assignee
Allergan Inc
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 Allergan Inc filed Critical Allergan Inc
Publication of JPS6127216A publication Critical patent/JPS6127216A/ja
Publication of JPH0316892B2 publication Critical patent/JPH0316892B2/ja
Granted legal-status Critical Current

Links

Classifications

    • 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
    • B29C41/00Shaping by coating a mould, core or other substrate, i.e. by depositing material and stripping-off the shaped article; Apparatus therefor
    • B29C41/02Shaping 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
    • B29C41/04Rotational or centrifugal casting, i.e. coating the inside of a mould by rotating the mould
    • B29C41/042Rotational or centrifugal casting, i.e. coating the inside of a mould by rotating the mould by rotating a mould around its axis of symmetry
    • B29C41/045Rotational 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
    • 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
    • B29C33/00Moulds or cores; Details thereof or accessories therefor
    • B29C33/34Moulds or cores; Details thereof or accessories therefor movable, e.g. to or from the moulding station
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29KINDEXING 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
    • B29K2033/00Use of polymers of unsaturated acids or derivatives thereof as moulding material
    • B29K2033/04Polymers of esters
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29KINDEXING 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
    • B29K2105/00Condition, form or state of moulded material or of the material to be shaped
    • B29K2105/0002Condition, form or state of moulded material or of the material to be shaped monomers or prepolymers
    • 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
    • B29L2011/00Optical elements, e.g. lenses, prisms
    • B29L2011/0016Lenses
    • B29L2011/0041Contact lenses

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Casting Or Compression Moulding Of Plastics Or The Like (AREA)
JP14926484A 1983-05-02 1984-07-18 物品を遠心注型するための装置および方法 Granted JPS6127216A (ja)

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
JPS6127216A JPS6127216A (ja) 1986-02-06
JPH0316892B2 true JPH0316892B2 (en]) 1991-03-06

Family

ID=23948876

Family Applications (1)

Application Number Title Priority Date Filing Date
JP14926484A Granted JPS6127216A (ja) 1983-05-02 1984-07-18 物品を遠心注型するための装置および方法

Country Status (2)

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

Families Citing this family (3)

* 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
US4551086A (en) * 1983-07-11 1985-11-05 International Hydron Corporation Device for centrifugally casting articles
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

Also Published As

Publication number Publication date
JPS6127216A (ja) 1986-02-06
AU566289B2 (en) 1987-10-15
AU2959484A (en) 1986-01-02

Similar Documents

Publication Publication Date Title
JPS6127217A (ja) 物品を連続して遠心注型するための装置
US4517138A (en) Device and method for centrifugally casting articles
US4568501A (en) Method and apparatus with automatic feed means for centrifugally casting articles
US3660545A (en) Method of centrifugally casting thin edged corneal contact lenses
CA1075419A (en) Apparatus for the production of contact lenses and processs for the utilization thereof
EP0359539A2 (en) Spuncast compound lens and method of manufacture
US4517140A (en) Device and method for centrifugally casting articles
JPH01500413A (ja) 精密に形状化された製品を回転成形するのに使用するための金型装置
US4468184A (en) Gas feed means for use in centrifugal casting devices
ES2833036T3 (es) Sistemas y métodos para la producción de lentes de contacto
US4469646A (en) Method of molding plastic contact lenses
US4681295A (en) Tricurve optical metal master mold and method of making
US4534723A (en) Cutting device for the precision trimming of the edge of a centrifugally cast lens
EP0051027A1 (en) Molded toric contact lenses
EP1629961A2 (en) Masked precure of contact lenses:systems and methods therefor
US4647261A (en) Cutting device and method for the precision trimming of the edge of a cast lens
US4153349A (en) Soft contact lens with thin edge
JPH0316892B2 (en])
US4584148A (en) Method for the precision trimming of the edge of a centrifugally cast lens
AU569089B2 (en) Improvements relating to molding hydrosel contact lenses
CA1236662A (en) Device and method for centrifugally casting articles
IE56239B1 (en) Device and method for centrifugally casting articles