EP3717962A1 - Rahmenlose brille - Google Patents
Rahmenlose brilleInfo
- Publication number
- EP3717962A1 EP3717962A1 EP18811131.4A EP18811131A EP3717962A1 EP 3717962 A1 EP3717962 A1 EP 3717962A1 EP 18811131 A EP18811131 A EP 18811131A EP 3717962 A1 EP3717962 A1 EP 3717962A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- edge webs
- longitudinal edge
- frame parts
- receiving grooves
- radius
- 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.)
- Withdrawn
Links
- 239000011521 glass Substances 0.000 title description 11
- 238000013459 approach Methods 0.000 claims description 6
- 230000015572 biosynthetic process Effects 0.000 claims description 2
- 230000007704 transition Effects 0.000 abstract description 2
- 239000000853 adhesive Substances 0.000 description 2
- 230000001070 adhesive effect Effects 0.000 description 2
- 101001034830 Mus musculus Interferon-induced transmembrane protein 5 Proteins 0.000 description 1
- 238000010409 ironing Methods 0.000 description 1
- 230000014759 maintenance of location Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 108090000623 proteins and genes Proteins 0.000 description 1
Classifications
-
- G—PHYSICS
- G02—OPTICS
- G02C—SPECTACLES; SUNGLASSES OR GOGGLES INSOFAR AS THEY HAVE THE SAME FEATURES AS SPECTACLES; CONTACT LENSES
- G02C1/00—Assemblies of lenses with bridges or browbars
- G02C1/02—Bridge or browbar secured to lenses without the use of rims
Definitions
- the invention relates to a frameless glasses with lenses, the end of ih ren faces receiving grooves with mutually projecting, an undercut forming longitudinal edge webs, and lengläsern attached to the Bril, metallic frame parts, the form-fitting with adapted to the groove cross-section attachment approaches in the grooves are stuck.
- the invention is therefore the object of a frameless glasses attachment of the frame parts to the lenses in such a way that a secure connection between the lenses and the frame parts is achieved without sacrificing a positive retention of the frame parts emanating from the edge of the glass receiving grooves of the lenses to have to.
- the invention solves the problem set by the fact that the longitudinal edge webs of Aufnah menuten are rounded in cross-section, that the groove bottom merges continuously with the formation of grooves in the longitudinal edge webs whose radius of curvature is greater than the radius of curvature of the fillets , And that the attachment lugs of the frame parts form a the longitudinal edge webs cross-mounting flange.
- the particular rounding ratio certain cross-sectional geometry of the grooves is not yet sufficient to achieve a secure mounting of the frame parts to the glasses glasses. This is only by the additional support of fastening supply approaches on the surface of the lenses ensured by the longitudinal edge webs of the grooves cross-mounting mounting flanges on the a part of the forces acting on the frame parts loads can be removed under a simultaneous gene discharge of the grooves on the lens.
- Usual load conditions can advantageously be considered by who the that the longitudinal edge webs of the grooves a rounding radius aufwei sen, which corresponds approximately to twice the radius of the flutes.
- the longitudinal edge webs of the grooves at least in a rounding diameter of the longitudinal edge webs correspond to the extent overlaps, because in this case the usual requirements for a connection between eyeglass lens and frame part can be fulfilled well.
- FIG. 1 shows a frameless spectacles according to the invention in sections in the region of the attachment of a frame part in a front view of the spectacle lens
- FIG. 2 shows a section along the line II-II of FIG. 1 on a larger scale and FIG. 3 shows a section along the line III-II of FIG. 2 also on a larger scale.
- a spectacle lens 1 is shown in detail in Be rich of a metallic frame part 2, which is formed by a nose bridge or an ironing jaws.
- This frame part 2 engages in an outgoing from the front page 3 of the lens 1 receiving groove 4 and is glued with this receiving groove 4.
- the open against the front side 5 of the lens 1 receiving groove 4 has two ge mutually projecting longitudinal edge webs 6, which form an undercut and are rounded in cross-section.
- the groove bottom 7 goes by means of grooves 8 steadily in the longitudinal edge webs 6 via.
- the radius of curvature of the longitudinal edge webs 6 corresponds approximately to twice the radius of curvature of the grooves 8.
- the frame part 2 is provided with a fastening lug 9, which has a profile cross section corresponding to the cross section of the receiving groove 4. This means that the longitudinal edge webs 6 engages behind the foot webs 10 of the fastenings attachment approach 9 are provided with a radius of curvature corresponding to the grooves 8.
- the ratio of the radii of curvature of the longitudinal edge webs 6 of the receiving groove 4 and the foot webs 10 of the fastening lug 9, preferably greater than 1.5 the different material strengths of the spectacle lens 1 and the metallic frame parts 2 are taken into account, with the advantage that the groove depth can be minimized because the groove bottom 7 passes continuously over the grooves 8 in the longitudinal edge webs 6, so that the Rundungsradi s of the longitudinal edge webs 6 and the flutes 8 are decisive for the groove depth.
- the profile of the attachment lug 9 forms a mounting groove 4 covering and the longitudinal edge webs 6 cross-mounting flange 1 1, which engages in a shape adapted to its outline Fräsausparung 12 of the lens 1, which indeed ensures a machined for the flange adhesive surface, but is not mandatory. Since a part of the applied loads is absorbed by the spectacle lens 1 via the bonded to the glass surface mounting flange 1 1, the receiving groove 4 is relieved, which leads in conjunction with the configuration of the receiving groove 4 to a secure attachment of the frame part 2, this particular, when the mounting flange 1 1 covers the edge of the Aufnah menut 4 to an extent corresponding to at least twice the Rundungsra radius of the longitudinal edge webs 6.
Landscapes
- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Ophthalmology & Optometry (AREA)
- Optics & Photonics (AREA)
- Eyeglasses (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| ATA50994/2017A AT520704A1 (de) | 2017-12-01 | 2017-12-01 | Rahmenlose Brille |
| PCT/AT2018/050022 WO2019104361A1 (de) | 2017-12-01 | 2018-11-15 | Rahmenlose brille |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| EP3717962A1 true EP3717962A1 (de) | 2020-10-07 |
Family
ID=64556619
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP18811131.4A Withdrawn EP3717962A1 (de) | 2017-12-01 | 2018-11-15 | Rahmenlose brille |
Country Status (3)
| Country | Link |
|---|---|
| EP (1) | EP3717962A1 (de) |
| AT (1) | AT520704A1 (de) |
| WO (1) | WO2019104361A1 (de) |
Family Cites Families (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH09325301A (ja) * | 1996-05-31 | 1997-12-16 | Hideaki Tachibana | リムレス眼鏡のレンズ止着機構 |
| JP3737957B2 (ja) * | 2000-04-25 | 2006-01-25 | Hoya株式会社 | リムレス眼鏡 |
| JP4169160B2 (ja) * | 2000-04-25 | 2008-10-22 | Hoya株式会社 | リムレス眼鏡およびその製造方法 |
| FR2822556B1 (fr) * | 2001-03-26 | 2003-05-30 | Lionel Bernardeau | Monture pour lunettes a verres correcteurs ou solaires |
| FR2828744A1 (fr) * | 2001-08-20 | 2003-02-21 | Atelier Bark Services Abs | Assemblage de verres et de monture de lunettes |
| US20050210568A1 (en) * | 2004-03-26 | 2005-09-29 | Brent Sheldon | Lens attachment combined with formation of goggles frame |
| CN2876817Y (zh) * | 2006-03-30 | 2007-03-07 | 金云飞 | 无框式眼镜 |
| JP2011186048A (ja) * | 2010-03-05 | 2011-09-22 | Hoya Corp | 眼鏡レンズの保持構造およびリムレス眼鏡 |
| US20180275422A1 (en) * | 2015-08-28 | 2018-09-27 | Hoya Lens Thailand Ltd. | Spectacles |
| CN205157907U (zh) * | 2015-11-10 | 2016-04-13 | 丹阳佰易视光学眼镜有限公司 | 无框眼镜片 |
-
2017
- 2017-12-01 AT ATA50994/2017A patent/AT520704A1/de not_active Application Discontinuation
-
2018
- 2018-11-15 WO PCT/AT2018/050022 patent/WO2019104361A1/de not_active Ceased
- 2018-11-15 EP EP18811131.4A patent/EP3717962A1/de not_active Withdrawn
Also Published As
| Publication number | Publication date |
|---|---|
| AT520704A1 (de) | 2019-06-15 |
| WO2019104361A1 (de) | 2019-06-06 |
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Legal Events
| Date | Code | Title | Description |
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| DAV | Request for validation of the european patent (deleted) | ||
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| 17Q | First examination report despatched |
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| 18D | Application deemed to be withdrawn |
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