AU569093B2

AU569093B2 – Charging of contact lenses moulds into a vertical rotary polymerisation column
– Google Patents

AU569093B2 – Charging of contact lenses moulds into a vertical rotary polymerisation column
– Google Patents
Charging of contact lenses moulds into a vertical rotary polymerisation column

Info

Publication number
AU569093B2

AU569093B2
AU30457/84A
AU3045784A
AU569093B2
AU 569093 B2
AU569093 B2
AU 569093B2
AU 30457/84 A
AU30457/84 A
AU 30457/84A
AU 3045784 A
AU3045784 A
AU 3045784A
AU 569093 B2
AU569093 B2
AU 569093B2
Authority
AU
Australia
Prior art keywords
moulds
charging
contact lenses
vertical rotary
polymerisation
Prior art date
1983-07-11
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
AU30457/84A
Other versions

AU3045784A
(en

Inventor
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.)
1983-07-11
Filing date
1984-07-10
Publication date
1988-01-21

1984-07-10
Application filed by Polymatic Investment Corp NV
filed
Critical
Polymatic Investment Corp NV

1985-01-17
Publication of AU3045784A
publication
Critical
patent/AU3045784A/en

1988-01-21
Application granted
granted
Critical

1988-01-21
Publication of AU569093B2
publication
Critical
patent/AU569093B2/en

1998-01-22
Assigned to HYDRON LIMITED
reassignment
HYDRON LIMITED
Alteration of Name(s) in Register under S187
Assignors: ALLERGAN, INC.

2004-07-10
Anticipated expiration
legal-status
Critical

Status
Expired
legal-status
Critical
Current

Links

Espacenet

Global Dossier

Discuss

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

B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES

B29L2011/00—Optical elements, e.g. lenses, prisms

B29L2011/0016—Lenses

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

B29L2031/00—Other particular articles

B29L2031/748—Machines or parts thereof not otherwise provided for

B29L2031/7506—Valves

Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS

Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC

Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS

Y10S425/00—Plastic article or earthenware shaping or treating: apparatus

Y10S425/808—Lens mold

AU30457/84A
1983-07-11
1984-07-10
Charging of contact lenses moulds into a vertical rotary polymerisation column

Expired

AU569093B2
(en)

Applications Claiming Priority (2)

Application Number
Priority Date
Filing Date
Title

US512814

1983-07-11

US06/512,814

US4551086A
(en)

1983-07-11
1983-07-11
Device for centrifugally casting articles

Publications (2)

Publication Number
Publication Date

AU3045784A

AU3045784A
(en)

1985-01-17

AU569093B2
true

AU569093B2
(en)

1988-01-21

Family
ID=24040692
Family Applications (1)

Application Number
Title
Priority Date
Filing Date

AU30457/84A
Expired

AU569093B2
(en)

1983-07-11
1984-07-10
Charging of contact lenses moulds into a vertical rotary polymerisation column

Country Status (8)

Country
Link

US
(1)

US4551086A
(en)

EP
(1)

EP0140717B1
(en)

JP
(1)

JPS6058815A
(en)

AU
(1)

AU569093B2
(en)

CA
(1)

CA1217019A
(en)

DE
(1)

DE3483943D1
(en)

IL
(1)

IL72382A
(en)

ZA
(1)

ZA845367B
(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

US4609337A
(en)

*

1983-12-06
1986-09-02
Ceskoslovenska Akademie Ved
Apparatus for inserting molds filled with a monomer mixture into rotating polymerization columns

EP1886784A1
(en)

2006-08-09
2008-02-13
Pfizer Products Inc.
Clamping apparatus and method

Citations (3)

* Cited by examiner, † Cited by third party

Publication number
Priority date
Publication date
Assignee
Title

AU2959484A
(en)

*

1983-05-02
1986-01-02

Hydron Limited

Centrifugal casting

AU2959584A
(en)

*

1983-05-02
1986-01-02

Hydron Limited

Centrifugal casting

AU2960084A
(en)

*

1983-05-02
1986-01-02

Allergan, Inc.

Continuous centrifugal casting of plastic contact lenses

Family Cites Families (11)

* Cited by examiner, † Cited by third party

Publication number
Priority date
Publication date
Assignee
Title

US2319014A
(en)

*

1940-08-31
1943-05-11
Univis Lens Co
Method of molding

US2675584A
(en)

*

1949-07-25
1954-04-20
A C I Plastics Proprietary Ltd
Mold feeding apparatus

US2655692A
(en)

*

1952-04-01
1953-10-20
Eastman Kodak Co
Mold for framing lenses in a plastic mounting

NL240176A
(en)

*

1954-01-05

DE1149536B
(en)

*

1961-05-30
1963-05-30
Buckau Wolf Maschf R

Device for the production of moldings from muddy or plastic masses

NL285986A
(en)

*

1961-12-27

DE1479495A1
(en)

*

1965-11-06
1969-09-18
Meyer Lab Inc

Method for precise cylindrical drilling of a workpiece of a given thickness made of dielectric material, in particular a contact lens, as well as device for carrying out the method

DE2218852C3
(en)

*

1972-04-19
1979-08-16
Kautex Werke Reinold Hagen Gmbh, 5300 Bonn-Holzlar

Device for the production of hollow bodies from thermoplastic material in the blow molding process

US3905735A
(en)

*

1973-09-28
1975-09-16
Gen Motors Corp
Stack molding apparatus

US4310282A
(en)

*

1977-06-13
1982-01-12
Emhart Industries, Inc.
Delay stretch and blow machine system

US4470797A
(en)

*

1981-10-30
1984-09-11
The Continental Group Inc.
Preform loader

1983

1983-07-11
US
US06/512,814
patent/US4551086A/en
not_active
Expired – Lifetime

1984

1984-07-06
EP
EP84401444A
patent/EP0140717B1/en
not_active
Expired – Lifetime

1984-07-06
DE
DE8484401444T
patent/DE3483943D1/en
not_active
Expired – Lifetime

1984-07-10
AU
AU30457/84A
patent/AU569093B2/en
not_active
Expired

1984-07-10
CA
CA000458536A
patent/CA1217019A/en
not_active
Expired

1984-07-11
IL
IL72382A
patent/IL72382A/en
not_active
IP Right Cessation

1984-07-11
JP
JP59144106A
patent/JPS6058815A/en
active
Granted

1984-07-11
ZA
ZA845367A
patent/ZA845367B/en
unknown

Patent Citations (3)

* Cited by examiner, † Cited by third party

Publication number
Priority date
Publication date
Assignee
Title

AU2959484A
(en)

*

1983-05-02
1986-01-02
Hydron Limited
Centrifugal casting

AU2959584A
(en)

*

1983-05-02
1986-01-02
Hydron Limited
Centrifugal casting

AU2960084A
(en)

*

1983-05-02
1986-01-02
Allergan, Inc.
Continuous centrifugal casting of plastic contact lenses

Also Published As

Publication number
Publication date

ZA845367B
(en)

1985-02-27

EP0140717B1
(en)

1991-01-16

JPS6058815A
(en)

1985-04-05

EP0140717A2
(en)

1985-05-08

IL72382A
(en)

1988-10-31

DE3483943D1
(en)

1991-02-21

EP0140717A3
(en)

1988-05-11

JPH0261884B2
(en)

1990-12-21

US4551086A
(en)

1985-11-05

AU3045784A
(en)

1985-01-17

IL72382A0
(en)

1984-11-30

CA1217019A
(en)

1987-01-27

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(en)

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