DE69632114D1 - Infrarotquelle zur Entnehmung von Kontakt-Linsen - Google Patents

Infrarotquelle zur Entnehmung von Kontakt-Linsen

Info

Publication number
DE69632114D1
DE69632114D1 DE69632114T DE69632114T DE69632114D1 DE 69632114 D1 DE69632114 D1 DE 69632114D1 DE 69632114 T DE69632114 T DE 69632114T DE 69632114 T DE69632114 T DE 69632114T DE 69632114 D1 DE69632114 D1 DE 69632114D1
Authority
DE
Germany
Prior art keywords
mold
mold halves
lifting
loosening
separating
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
DE69632114T
Other languages
English (en)
Other versions
DE69632114T2 (de
Inventor
Wallace A Martin
Henri Dagobert
Denwood Ross
Steve Beaton
Craig Walker
Steve Pegram
Finn Andersen
Ture Kindt-Larsen
Davis, Iii
Kent Dwayne Mosier
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.)
Johnson and Johnson Vision Care Inc
Original Assignee
Johnson and Johnson Vision Care 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
Application filed by Johnson and Johnson Vision Care Inc filed Critical Johnson and Johnson Vision Care Inc
Publication of DE69632114D1 publication Critical patent/DE69632114D1/de
Application granted granted Critical
Publication of DE69632114T2 publication Critical patent/DE69632114T2/de
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
    • B29C33/00—Moulds or cores; Details thereof or accessories therefor
    • B29C33/02—Moulds or cores; Details thereof or accessories therefor with incorporated heating or cooling means
    • B29C33/04—Moulds or cores; Details thereof or accessories therefor with incorporated heating or cooling means using liquids, gas or steam
    • B29C33/048—Moulds or cores; Details thereof or accessories therefor with incorporated heating or cooling means using liquids, gas or steam using steam
    • 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
    • B29C37/00—Component parts, details, accessories or auxiliary operations, not covered by group B29C33/00 or B29C35/00
    • B29C37/0003—Discharging moulded articles from the mould
    • 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
    • B29D11/00125—Auxiliary operations, e.g. removing oxygen from the mould, conveying moulds from a storage to the production line in an inert atmosphere
    • B29D11/00173—Conveying moulds
    • B29D11/00182—Conveying moulds using carrier plates
    • 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
    • B29D11/00125—Auxiliary operations, e.g. removing oxygen from the mould, conveying moulds from a storage to the production line in an inert atmosphere
    • B29D11/00192—Demoulding, e.g. separating lenses from mould halves
    • B29D11/00211—Demoulding, e.g. separating lenses from mould halves using heating means
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02G—HOT GAS OR COMBUSTION-PRODUCT POSITIVE-DISPLACEMENT ENGINE PLANTS; USE OF WASTE HEAT OF COMBUSTION ENGINES; NOT OTHERWISE PROVIDED FOR
    • F02G1/00—Hot gas positive-displacement engine plants
    • F02G1/04—Hot gas positive-displacement engine plants of closed-cycle type
    • F02G1/043—Hot gas positive-displacement engine plants of closed-cycle type the engine being operated by expansion and contraction of a mass of working gas which is heated and cooled in one of a plurality of constantly communicating expansible chambers, e.g. Stirling cycle type engines
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02G—HOT GAS OR COMBUSTION-PRODUCT POSITIVE-DISPLACEMENT ENGINE PLANTS; USE OF WASTE HEAT OF COMBUSTION ENGINES; NOT OTHERWISE PROVIDED FOR
    • F02G1/00—Hot gas positive-displacement engine plants
    • F02G1/04—Hot gas positive-displacement engine plants of closed-cycle type
    • F02G1/043—Hot gas positive-displacement engine plants of closed-cycle type the engine being operated by expansion and contraction of a mass of working gas which is heated and cooled in one of a plurality of constantly communicating expansible chambers, e.g. Stirling cycle type engines
    • F02G1/044—Hot gas positive-displacement engine plants of closed-cycle type the engine being operated by expansion and contraction of a mass of working gas which is heated and cooled in one of a plurality of constantly communicating expansible chambers, e.g. Stirling cycle type engines having at least two working members, e.g. pistons, delivering power output
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02G—HOT GAS OR COMBUSTION-PRODUCT POSITIVE-DISPLACEMENT ENGINE PLANTS; USE OF WASTE HEAT OF COMBUSTION ENGINES; NOT OTHERWISE PROVIDED FOR
    • F02G1/00—Hot gas positive-displacement engine plants
    • F02G1/04—Hot gas positive-displacement engine plants of closed-cycle type
    • F02G1/043—Hot gas positive-displacement engine plants of closed-cycle type the engine being operated by expansion and contraction of a mass of working gas which is heated and cooled in one of a plurality of constantly communicating expansible chambers, e.g. Stirling cycle type engines
    • F02G1/053—Component parts or details
    • 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
    • B29C35/00—Heating, cooling or curing, e.g. crosslinking or vulcanising; Apparatus therefor
    • B29C35/02—Heating or curing, e.g. crosslinking or vulcanizing during moulding, e.g. in a mould
    • B29C35/08—Heating or curing, e.g. crosslinking or vulcanizing during moulding, e.g. in a mould by wave energy or particle radiation
    • B29C35/0805—Heating or curing, e.g. crosslinking or vulcanizing during moulding, e.g. in a mould by wave energy or particle radiation using electromagnetic radiation
    • B29C2035/0822—Heating or curing, e.g. crosslinking or vulcanizing during moulding, e.g. in a mould by wave energy or particle radiation using electromagnetic radiation using IR radiation
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02G—HOT GAS OR COMBUSTION-PRODUCT POSITIVE-DISPLACEMENT ENGINE PLANTS; USE OF WASTE HEAT OF COMBUSTION ENGINES; NOT OTHERWISE PROVIDED FOR
    • F02G2244/00—Machines having two pistons
    • F02G2244/50—Double acting piston machines
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02G—HOT GAS OR COMBUSTION-PRODUCT POSITIVE-DISPLACEMENT ENGINE PLANTS; USE OF WASTE HEAT OF COMBUSTION ENGINES; NOT OTHERWISE PROVIDED FOR
    • F02G2253/00—Seals
    • F02G2253/03—Stem seals
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02G—HOT GAS OR COMBUSTION-PRODUCT POSITIVE-DISPLACEMENT ENGINE PLANTS; USE OF WASTE HEAT OF COMBUSTION ENGINES; NOT OTHERWISE PROVIDED FOR
    • F02G2254/00—Heat inputs
    • F02G2254/10—Heat inputs by burners
    • F02G2254/11—Catalytic burners
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02G—HOT GAS OR COMBUSTION-PRODUCT POSITIVE-DISPLACEMENT ENGINE PLANTS; USE OF WASTE HEAT OF COMBUSTION ENGINES; NOT OTHERWISE PROVIDED FOR
    • F02G2254/00—Heat inputs
    • F02G2254/30—Heat inputs using solar radiation
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02G—HOT GAS OR COMBUSTION-PRODUCT POSITIVE-DISPLACEMENT ENGINE PLANTS; USE OF WASTE HEAT OF COMBUSTION ENGINES; NOT OTHERWISE PROVIDED FOR
    • F02G2254/00—Heat inputs
    • F02G2254/70—Heat inputs by catalytic conversion, i.e. flameless oxydation
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02G—HOT GAS OR COMBUSTION-PRODUCT POSITIVE-DISPLACEMENT ENGINE PLANTS; USE OF WASTE HEAT OF COMBUSTION ENGINES; NOT OTHERWISE PROVIDED FOR
    • F02G2258/00—Materials used
    • F02G2258/10—Materials used ceramic

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • General Engineering & Computer Science (AREA)
  • Health & Medical Sciences (AREA)
  • Manufacturing & Machinery (AREA)
  • Ophthalmology & Optometry (AREA)
  • Moulds For Moulding Plastics Or The Like (AREA)
  • Casting Or Compression Moulding Of Plastics Or The Like (AREA)
  • Eyeglasses (AREA)
  • Treatments Of Macromolecular Shaped Articles (AREA)
DE69632114T 1995-11-21 1996-09-27 Infrarotquelle zur Entnehmung von Kontakt-Linsen Expired - Lifetime DE69632114T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US53599695A 1995-11-21 1995-11-21
US535996 1995-11-21

Publications (2)

Publication Number Publication Date
DE69632114D1 true DE69632114D1 (de) 2004-05-13
DE69632114T2 DE69632114T2 (de) 2005-03-03

Family

ID=24136673

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69632114T Expired - Lifetime DE69632114T2 (de) 1995-11-21 1996-09-27 Infrarotquelle zur Entnehmung von Kontakt-Linsen

Country Status (8)

Country Link
EP (1) EP0775571B1 (de)
JP (1) JP4312271B2 (de)
AT (1) ATE263670T1 (de)
AU (1) AU706496B2 (de)
CA (1) CA2186555C (de)
DE (1) DE69632114T2 (de)
SG (1) SG70998A1 (de)
TW (1) TW328058B (de)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6663801B2 (en) 2001-04-06 2003-12-16 Johnson & Johnson Vision Care, Inc. Silicon carbide IR-emitter heating device and method for demolding lenses
US20050056955A1 (en) * 2003-08-18 2005-03-17 Axel Heinrich Demolding process
US20060097415A1 (en) * 2004-11-05 2006-05-11 Watterson Robert J Jr Methods of demolding ophthalmic lenses
US20070257387A1 (en) * 2006-05-05 2007-11-08 Hofmann Gregory J Package mold combination
EP2094471B1 (de) * 2006-12-21 2013-04-10 Bausch & Lomb Incorporated Verfahren zum trennen einer in einem hohlraum zwischen einem hinteren und einem vorderen formabschnitt geformten linse
TWI593539B (zh) * 2014-04-17 2017-08-01 亨泰光學股份有限公司 隱形眼鏡鏡片脫模機
MX2017008877A (es) * 2015-01-05 2018-05-17 E Vision Smart Optics Inc Métodos y sistemas para liberaciones de moldes.

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57146629A (en) * 1981-03-09 1982-09-10 Hitachi Ltd Correction of plastic lens
JPH01316702A (ja) * 1988-06-16 1989-12-21 Mitsubishi Rayon Co Ltd レンズシートの製造方法
US5294379A (en) * 1992-09-18 1994-03-15 Johnson & Johnson Vision Products, Inc. Laser assisted demolding of ophthalmic lenses
IL113695A0 (en) * 1994-06-10 1995-08-31 Johnson & Johnson Vision Prod Laser demolding apparatus and method
IL113826A0 (en) * 1994-06-10 1995-08-31 Johnson & Johnson Vision Prod Method and apparatus for demolding ophthalmic contact lenses
AU713558B2 (en) * 1995-05-01 1999-12-02 Johnson & Johnson Vision Products, Inc. Laser demolding apparatus and method

Also Published As

Publication number Publication date
CA2186555C (en) 2007-11-13
EP0775571A3 (de) 1998-01-28
EP0775571A2 (de) 1997-05-28
JP4312271B2 (ja) 2009-08-12
ATE263670T1 (de) 2004-04-15
AU6556396A (en) 1997-04-10
CA2186555A1 (en) 1997-03-30
MX9604476A (es) 1998-05-31
SG70998A1 (en) 2000-03-21
JPH09174706A (ja) 1997-07-08
TW328058B (en) 1998-03-11
DE69632114T2 (de) 2005-03-03
EP0775571B1 (de) 2004-04-07
AU706496B2 (en) 1999-06-17

Similar Documents

Publication Publication Date Title
BR9502749A (pt) Processo e aparelho para a separação de molde
BR9502729A (pt) Método e aparelho para retirar do molde lentes de contato oftálmicas
CA2293568A1 (en) Injection molding process for rotationally asymmetric contact lens surfaces
DK0686469T3 (da) Fremgangsmåde og apparat til påføring af et overfladeaktivt middel på støbeflader
ATE163593T1 (de) Verfahren zum herstellen von plastikformen und verfahren zum giessen von kontaktlinsen
DE59408026D1 (de) Verfahren und Vorrichtung zur Herstellung von Kontaktlinsen
DK0740997T3 (da) Fremgangsmåde og indretning til placering af et tensid på overfladen af en støbeform
FI973381A0 (fi) Menetelmä polymeerituotteiden irrottamiseksi, uuttamiseksi ja puhdistamiseksi ylikriittisen fluidin avulla
ATE137441T1 (de) Verfahren und vorrichtung zum giessen einer linse
ATE220614T1 (de) Verfahren und vorrichtung zum aushärten von brillengläsern unter verwendung von ultraviolettem licht und verbesserte kühlung
ATE263670T1 (de) Infrarotquelle zur entnehmung von kontakt-linsen
DK0671249T3 (da) Fremgangsmåde og indretning til fremstilling af optiske linser
SE9202925D0 (sv) Method in the production of intraocular lenses
CO5040213A1 (es) Proceso para la fabricacion de articulos moldeados utiles en las tecnicas optica y oftalmica
DK0657264T3 (da) Fremgangsmåde og apparat til fremstilling af kontaktlinse
DK0630740T3 (da) Fremgangsmåde og indretning til samling af en dækkarkasse og en ringformet slidbane, som er strakt ved centrifugering
NO932882L (no) Fremgangsmaate for fremstilling av formdeler ved pressing av tekstilreststoffer under samtidig klebing, formdeler oppnaadd ved fremgangsmaaten samt deres anvendelse
BR9705654A (pt) Aparelho e processo para a formação de uma fibraótica
DE59803135D1 (de) Verfahren und vorrichtung zum ablösen von kaschierungen
DK0550115T3 (da) Fremgangsmåde til fremstilling af en porøs film med en høj brudstyrke

Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8328 Change in the person/name/address of the agent

Representative=s name: BOEHMERT & BOEHMERT, 28209 BREMEN