GB2235406B - Machine for making contact lenses - Google Patents

Machine for making contact lenses

Info

Publication number
GB2235406B
GB2235406B GB9017838A GB9017838A GB2235406B GB 2235406 B GB2235406 B GB 2235406B GB 9017838 A GB9017838 A GB 9017838A GB 9017838 A GB9017838 A GB 9017838A GB 2235406 B GB2235406 B GB 2235406B
Authority
GB
United Kingdom
Prior art keywords
machine
contact lenses
making contact
making
lenses
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
GB9017838A
Other versions
GB2235406A (en
GB9017838D0 (en
Inventor
Michael James Sealey
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.)
MJS Scientific Ltd
Original Assignee
MJS Scientific 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 MJS Scientific Ltd filed Critical MJS Scientific Ltd
Publication of GB9017838D0 publication Critical patent/GB9017838D0/en
Publication of GB2235406A publication Critical patent/GB2235406A/en
Application granted granted Critical
Publication of GB2235406B publication Critical patent/GB2235406B/en
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • B29C39/00—Shaping by casting, i.e. introducing the moulding material into a mould or between confining surfaces without significant moulding pressure; Apparatus therefor
    • B29C39/22—Component parts, details or accessories; Auxiliary operations
    • B29C39/24—Feeding the material into the mould
    • 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
    • B29C33/20—Opening, closing or clamping
    • B29C33/22—Opening, closing or clamping by rectilinear movement
    • 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
    • B29C39/00—Shaping by casting, i.e. introducing the moulding material into a mould or between confining surfaces without significant moulding pressure; Apparatus therefor
    • B29C39/02—Shaping by casting, i.e. introducing the moulding material into a mould or between confining surfaces without significant moulding pressure; Apparatus therefor for making articles of definite length, i.e. discrete articles
    • 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
    • B29D11/00038—Production of contact lenses
    • B29D11/00259—Plants for the production of contact lenses
    • 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
GB9017838A 1989-08-29 1990-08-14 Machine for making contact lenses Expired - Lifetime GB2235406B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB898919530A GB8919530D0 (en) 1989-08-29 1989-08-29 Machine for making contact lenses

Publications (3)

Publication Number Publication Date
GB9017838D0 GB9017838D0 (en) 1990-09-26
GB2235406A GB2235406A (en) 1991-03-06
GB2235406B true GB2235406B (en) 1992-10-14

Family

ID=10662219

Family Applications (2)

Application Number Title Priority Date Filing Date
GB898919530A Pending GB8919530D0 (en) 1989-08-29 1989-08-29 Machine for making contact lenses
GB9017838A Expired - Lifetime GB2235406B (en) 1989-08-29 1990-08-14 Machine for making contact lenses

Family Applications Before (1)

Application Number Title Priority Date Filing Date
GB898919530A Pending GB8919530D0 (en) 1989-08-29 1989-08-29 Machine for making contact lenses

Country Status (1)

Country Link
GB (2) GB8919530D0 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112719450B (en) * 2020-12-09 2022-05-17 吉林瑞尔康隐形眼镜有限公司 A mould sorting machine for in contact lens preparation

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5656208A (en) * 1994-06-10 1997-08-12 Johnson & Johnson Vision Products, Inc. Method and apparatus for contact lens mold filling and assembly
US5658602A (en) * 1994-06-10 1997-08-19 Johnson & Johnson Vision Products, Inc. Method and apparatus for contact lens mold filling and assembly
IL113693A0 (en) * 1994-06-10 1995-08-31 Johnson & Johnson Vision Prod Contact lens production line pallet system
US5804107A (en) * 1994-06-10 1998-09-08 Johnson & Johnson Vision Products, Inc. Consolidated contact lens molding
US5850107A (en) * 1994-06-10 1998-12-15 Johnson & Johnson Vision Products, Inc. Mold separation method and apparatus
US20040112008A1 (en) 1998-12-21 2004-06-17 Voss Leslie A. Heat seal apparatus for lens packages
NL1012002C2 (en) 1999-05-07 2000-11-09 O T B Engineering B V Device for manufacturing disposable lenses.
EP1136222B1 (en) * 1999-09-01 2007-07-25 Tomey Corporation Method and device for producing contact lens elements and injection mold used therefor
GB0002091D0 (en) * 2000-01-28 2000-03-22 Aspect Vision Care Ltd Toric lens manufacture
GB2409427A (en) * 2003-12-23 2005-06-29 Bausch & Lomb Handling moulded opthalmic lenses

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112719450B (en) * 2020-12-09 2022-05-17 吉林瑞尔康隐形眼镜有限公司 A mould sorting machine for in contact lens preparation

Also Published As

Publication number Publication date
GB2235406A (en) 1991-03-06
GB9017838D0 (en) 1990-09-26
GB8919530D0 (en) 1989-10-11

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee

Effective date: 20010814