DE20022726U1 - Tool of an injection embossing machine and implantable lens that can be produced with it - Google Patents

Tool of an injection embossing machine and implantable lens that can be produced with it

Info

Publication number
DE20022726U1
DE20022726U1 DE20022726U DE20022726U DE20022726U1 DE 20022726 U1 DE20022726 U1 DE 20022726U1 DE 20022726 U DE20022726 U DE 20022726U DE 20022726 U DE20022726 U DE 20022726U DE 20022726 U1 DE20022726 U1 DE 20022726U1
Authority
DE
Germany
Prior art keywords
tool
plastic material
tool according
lens
metering device
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
DE20022726U
Other languages
German (de)
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.)
AIXMED GMBH, DE
Original Assignee
GENIO VIS GmbH
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 GENIO VIS GmbH filed Critical GENIO VIS GmbH
Priority to DE20022726U priority Critical patent/DE20022726U1/en
Priority claimed from DE10052068A external-priority patent/DE10052068B4/en
Publication of DE20022726U1 publication Critical patent/DE20022726U1/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
    • B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
    • B29C45/17—Component parts, details or accessories; Auxiliary operations
    • B29C45/18—Feeding the material into the injection moulding apparatus, i.e. feeding the non-plastified material into the injection unit
    • B29C45/1808—Feeding measured doses
    • 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
    • B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
    • B29C45/17—Component parts, details or accessories; Auxiliary operations
    • B29C45/46—Means for plasticising or homogenising the moulding material or forcing it into the mould
    • B29C45/56—Means for plasticising or homogenising the moulding material or forcing it into the mould using mould parts movable during or after injection, e.g. injection-compression moulding
    • B29C45/561—Injection-compression moulding
    • 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
    • B29D11/00413—Production of simple or compound lenses made by moulding between two mould parts which are not in direct contact with one another, e.g. comprising a seal between or on the edges
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Mechanical Engineering (AREA)
  • Health & Medical Sciences (AREA)
  • Ophthalmology & Optometry (AREA)
  • Prostheses (AREA)
  • Moulds For Moulding Plastics Or The Like (AREA)

Description

Der Beschreibungstext wurde nicht elektronisch erfaßt The description text was not recorded electronically  

Der Beschreibungstext wurde nicht elektronisch erfaßt The description text was not recorded electronically  

Der Beschreibungstext wurde nicht elektronisch erfaßt The description text was not recorded electronically  

Der Beschreibungstext wurde nicht elektronisch erfaßt The description text was not recorded electronically  

Der Beschreibungstext wurde nicht elektronisch erfaßt The description text was not recorded electronically  

Der Beschreibungstext wurde nicht elektronisch erfaßt The description text was not recorded electronically  

Der Beschreibungstext wurde nicht elektronisch erfaßt The description text was not recorded electronically  

Der Beschreibungstext wurde nicht elektronisch erfaßt The description text was not recorded electronically  

Der Beschreibungstext wurde nicht elektronisch erfaßtThe description text was not recorded electronically

Claims (10)

1 Werkzeug (1, 1') einer Spritzprägemaschine zur Stellung von Kunststoff-Formteilen, insbesondere von implantierbaren Linse, mit einer während des Formvorgangs ge­ schlossenen und danach öffenbaren Formaktivität, und die Formkavität mindestens einsei­ tig von einem verschiebbaren Prägestempel (6) begrenzt wird, in die mittels einer Plasti­ fiziereinrichtung Kunststoffmaterial einbringbar ist, wobei eine Dosiereinrichtung (10, 10') zur Einbringung einer genau definierten Menge des Kunststoffmaterials innerhalb des Werkzeugs (1, 1') unmittelbar neben der Formaktivität angeordnet ist, wobei ein Ver­ bindungskanal (13) zwischen dei Dosiereinrichtun (10) und der Formaktivität von dem Prägestempel (6) versperrbar ist.1 tool ( 1 , 1 ') of an injection embossing machine for the placement of plastic molded parts, in particular implantable lens, with a mold activity which is closed during the molding process and can then be opened, and the mold cavity is bounded at least on one side by a displaceable stamping die ( 6 ), into which plastic material can be introduced by means of a plasticizing device, a metering device ( 10 , 10 ') for introducing a precisely defined amount of the plastic material within the tool ( 1 , 1 ') being arranged directly next to the molding activity, a connecting channel ( 13 ) between the metering device ( 10 ) and the molding activity can be blocked by the embossing stamp ( 6 ). 2. Werkzeug nach Anspruch 1, dadurch gekennzeichnet, daß die Dosiereinrichtung (10) eine Kolben-Zylinder-Einheit ist.2. Tool according to claim 1, characterized in that the metering device ( 10 ) is a piston-cylinder unit. 3. Werkzeug nach Anspruch 2, dadurch gekennzeichnet, daß die Bewegungsrichtung eines Dosierkolbens (10) parallel zu der Bewegungsrichtung des Prägestempels (6) verläuft.3. Tool according to claim 2, characterized in that the direction of movement of a metering piston ( 10 ) runs parallel to the direction of movement of the die ( 6 ). 4. Werkzeug nach Anspruch 1, dadurch gekennzeichnet, daß die Dosiereinrichtung (11') eine in einem Heißkanal angeordnete Nadelverschlußdüse ist, deren Dosierstempel (10') in Folge Bewegung in einer Düsenkammer eine Verdrängung des Kunsfstoffmate­ rials aus einer Düsenöffnung bewirkt, wobei sich zwischen dem Dosierstempel (10') und einer Mantelfläche der Düsenkammer ein Ringraum (20) befindet, der von der Plastifi­ zierungseinheit mit Kunststoffmaterial befüllbar ist.4. Tool according to claim 1, characterized in that the metering device ( 11 ') is a needle valve nozzle arranged in a hot runner, the metering plunger ( 10 ') as a result of movement in a nozzle chamber causes a displacement of the plastic material from a nozzle opening, between the dosing ram ( 10 ') and an outer surface of the nozzle chamber is an annular space ( 20 ) which can be filled with plastic material by the plasticizing unit. 5. Werkzeug nach Anspruch 4, dadurch gekennzeichnet, daß eine Stirnfläche eines Zapfens (18) des Dosierstempels (10') in dessen Schließstellung bündig mit einer Mantelfläche (22) der Formaktivität abschließt.5. Tool according to claim 4, characterized in that an end face of a pin ( 18 ) of the dosing plunger ( 10 ') in its closed position is flush with a lateral surface ( 22 ) of the molding activity. 6. Werkzeug nach Anspruch 4 oder 5, dadurch gekennzeichnet, daß die Bewegungsrichtung des Dosierstempels (10') und die Bewegungsrichtung des Prägestempels (6) einen Win­ kel von 90° einschließen. 6. Tool according to claim 4 or 5, characterized in that the direction of movement of the dosing die ( 10 ') and the direction of movement of the die ( 6 ) include a 90 ° angle. 7. Werkzeug nach einem der Ansprüche 1 bis 6, dadurch gekennzeichnet, daß die Dosier­ einrichtung (11, 11') unabhängig von den übrigen Parametern der Spritzgußmaschine oder Spritzprägemaschine steuerbar ist.7. Tool according to one of claims 1 to 6, characterized in that the metering device ( 11 , 11 ') is controllable independently of the other parameters of the injection molding machine or injection molding machine. 8. Werkzeug nach einem der Ansprüche 1 bis 7, dadurch gekennzeichnet, daß die Dosier­ einrichtung (11, 11') unabhängig von den übrigen Bereichen des Werkzeugs (1, 1') tem­ perierbar ist.8. Tool according to one of claims 1 to 7, characterized in that the metering device ( 11 , 11 ') independently of the other areas of the tool ( 1 , 1 ') is per per tem. 9. Implantierbare Linse aus Polyurethan-Silikon oder Polycarbonat-Polyurethan, hergestellt im Wege des Spritzprägens mittels eines Werkzeugs mit einer integrierten Dosiereinrich­ tung, wobei die Haptiken aus einem anderen Kunststoffmaterial als die übrige Linse be­ stehen und/oder wobei der Linsenkörper aus mehreren Schichten aus unterschiedlichem Kunststoffmaterial besteht.9. Implantable lens made of polyurethane silicone or polycarbonate polyurethane by means of injection molding using a tool with an integrated dosing device tion, the haptics be made of a different plastic material than the rest of the lens stand and / or wherein the lens body from several layers of different Plastic material is made. 10. Linse nach Anspruch 9, dadurch gekennzeichnet, daß die vorgefertigten Haptiken in die Formaktivität des Werkzeugs eingebracht und mit dem Kunststoffmaterial der Linse ver­ schmolzen sind.10. Lens according to claim 9, characterized in that the prefabricated haptics in the Shape activity of the tool introduced and ver with the plastic material of the lens are melted.
DE20022726U 2000-10-19 2000-10-19 Tool of an injection embossing machine and implantable lens that can be produced with it Expired - Lifetime DE20022726U1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DE20022726U DE20022726U1 (en) 2000-10-19 2000-10-19 Tool of an injection embossing machine and implantable lens that can be produced with it

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE20022726U DE20022726U1 (en) 2000-10-19 2000-10-19 Tool of an injection embossing machine and implantable lens that can be produced with it
DE10052068A DE10052068B4 (en) 2000-10-19 2000-10-19 Tool of an injection molding or injection molding machine, method for producing an implantable lens and implantable lens

Publications (1)

Publication Number Publication Date
DE20022726U1 true DE20022726U1 (en) 2002-04-04

Family

ID=26007435

Family Applications (1)

Application Number Title Priority Date Filing Date
DE20022726U Expired - Lifetime DE20022726U1 (en) 2000-10-19 2000-10-19 Tool of an injection embossing machine and implantable lens that can be produced with it

Country Status (1)

Country Link
DE (1) DE20022726U1 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2012069590A1 (en) 2010-11-24 2012-05-31 Bayer Materialscience Ag Method for producing molded optical parts

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2012069590A1 (en) 2010-11-24 2012-05-31 Bayer Materialscience Ag Method for producing molded optical parts

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Legal Events

Date Code Title Description
R207 Utility model specification

Effective date: 20020508

R150 Utility model maintained after payment of first maintenance fee after three years

Effective date: 20031104

R081 Change of applicant/patentee

Owner name: AIXMED GMBH, DE

Free format text: FORMER OWNER: GENIOVIS GMBH, 52222 STOLBERG, DE

Effective date: 20051118

Owner name: AIXMED GMBH, DE

Free format text: FORMER OWNER: AIXMED GESELLSCHAFT FUER MEDIZINTECHNIK MBH, 52222 STOLBERG, DE

Effective date: 20020208

R157 Lapse of ip right after 6 years

Effective date: 20070501

R082 Change of representative

Representative=s name: BAUER WAGNER PELLENGAHR SROKA PATENT- & RECHTS, DE