METHOD FOR AVOIDING ENTRAPMENT OF AIR BUBBLES IN A LENS FORMING MATERIAL AND APPARATUS FOR CARRYING OUT THE METHOD
    11.
    发明申请
    METHOD FOR AVOIDING ENTRAPMENT OF AIR BUBBLES IN A LENS FORMING MATERIAL AND APPARATUS FOR CARRYING OUT THE METHOD 审中-公开
    用于避免在镜片表面形成空气泡沫的方法和装置的方法

    公开(公告)号:US20150174840A1

    公开(公告)日:2015-06-25

    申请号:US14573513

    申请日:2014-12-17

    Applicant: Novartis AG

    CPC classification number: B29D11/00125 B29D11/00038 B29D11/0048 B29K2909/08

    Abstract: A method for avoiding the entrapment of air bubbles (5) in a lens forming material (4), in particular in a low viscosity lens forming material, in an ophthalmic lens manufacturing process using mold halves (2, 3) each having a lens forming surface (21, 31) comprises electrostatically charging (60) a lens forming surface (21, 31) of the mold half (2, 3) prior to the lens forming surface (21, 31) coming into contact with the lens forming material (4).

    Abstract translation: 一种用于避免在透镜形成材料(4)中夹带气泡(5)的方法,特别是在低粘度透镜形成材料中,在使用半透镜(2,3)的眼镜透镜制造工艺中,每个都具有透镜成形 在透镜形成表面(21,31)与透镜形成材料(21,31)接触之前,表面(21,31)包括静电充电(60)模具半部(2,3)的透镜形成表面(21,31) 4)。

    Method and device for cleaning a molding surface of a reusable lens mold

    公开(公告)号:US10654197B2

    公开(公告)日:2020-05-19

    申请号:US16406170

    申请日:2019-05-08

    Applicant: Novartis AG

    Inventor: Halina Heidrich

    Abstract: A method for cleaning a molding surface (51) of a reusable lens mold (5), in particular of a reusable lens mold (5) for molding ophthalmic lenses such as soft contact lenses, comprising the steps of: generating a jet (3) of deionized water, exposing the molding surface (51) of the reusable lens mold (5) to the jet (3) of deionized water, wherein the jet (3) of deionized water has a circular full cone spray pattern and impinges on the molding surface (51) of the reusable lens mold (5), and wherein the circular full cone spray pattern has a uniform distribution of the volume flow of deionized water over the base of the cone of the circular full cone spray pattern.

    METHOD AND DEVICE FOR CLEANING A MOLDING SURFACE OF A REUSABLE LENS MOLD

    公开(公告)号:US20190263026A1

    公开(公告)日:2019-08-29

    申请号:US16406170

    申请日:2019-05-08

    Applicant: Novartis AG

    Inventor: Halina Heidrich

    Abstract: A method for cleaning a molding surface (51) of a reusable lens mold (5), in particular of a reusable lens mold (5) for molding ophthalmic lenses such as soft contact lenses, comprising the steps of: generating a jet (3) of deionized water, exposing the molding surface (51) of the reusable lens mold (5) to the jet (3) of deionized water, wherein the jet (3) of deionized water has a circular full cone spray pattern and impinges on the molding surface (51) of the reusable lens mold (5), and wherein the circular full cone spray pattern has a uniform distribution of the volume flow of deionized water over the base of the cone of the circular full cone spray pattern.

    METHOD AND DEVICE FOR CLEANING DEPOSITED MATERIAL FROM A MOLDING SURFACE OF A MOLD FOR FORMING OPHTHALMIC LENSES

    公开(公告)号:US20180304312A1

    公开(公告)日:2018-10-25

    申请号:US16019954

    申请日:2018-06-27

    Applicant: Novartis AG

    Abstract: A method of cleaning deposited material from a molding surface (10) of a mold (1) for forming ophthalmic lenses, including bringing a cleaning head (20) into contact with the molding surface (10), the rotational axis (22) of the cleaning head (20) being arranged normal to the molding surface (10), rotating (220) the cleaning head (20) around the rotational axis (22) while maintaining the contact between the cleaning head (20) and the molding surface (10), moving the cleaning head (20) to perform a precession motion (110) around a central normal (11) on the molding surface (10), while rotating (220) the cleaning head (20) around the rotational axis (22) and while maintaining the contact between the cleaning head (20) and the molding surface (10). During the precession motion (110) the rotational axis (22) includes an inclination angle (α1,α2) with the central normal (11) on the molding surface (10).

    METHOD FOR MOLDING AN OPHTHALMIC LENS AND DEVICE FOR APPLYING A COATING TO THE SURFACE OF AN OPHTHALMIC LENS MOLD
    15.
    发明申请
    METHOD FOR MOLDING AN OPHTHALMIC LENS AND DEVICE FOR APPLYING A COATING TO THE SURFACE OF AN OPHTHALMIC LENS MOLD 审中-公开
    用于模制眼镜镜片的方法和用于涂覆在眼镜镜片表面上的装置

    公开(公告)号:US20170050344A1

    公开(公告)日:2017-02-23

    申请号:US15341313

    申请日:2016-11-02

    Applicant: Novartis AG

    CPC classification number: B29C33/58 B29D11/00125 B29D11/00192 B29L2011/0041

    Abstract: There are described a method for applying a coating to a surface of an ophthalmic lens mold. The mold includes male and female (20) mold halves, with each of the mold halves being provided with a lens forming surface (21). The method includes applying a temporary coating to at least a portion of at least one of the male and female mold halves (20), the temporary coating being capable of reducing adhesive forces between a lens forming material and the lens forming surface (21); and drying the temporary coating applied to the portion of the lens forming surface (21). Also described is a device (1) for applying such temporary coating to the portion of the lens forming surface (21) of the ophthalmic lens mold.

    Abstract translation: 描述了将涂层施加到眼镜片模具的表面的方法。 模具包括阳模和阴(20)半模,其中每个半模设置有透镜形成表面(21)。 所述方法包括将临时涂层施加到阳半模和阴半模(20)中的至少一个的至少一部分上,所述临时涂层能够减少透镜形成材料与透镜形成表面(21)之间的粘合力; 以及干燥施加到所述透镜形成表面(21)的所述部分上的临时涂层。 还描述了一种用于将这种临时涂层施加到眼镜片模具的透镜形成表面(21)的部分的装置(1)。

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