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US4142784A Expired / Lapsed US ⏱️ 0.0 years remaining

Pad for spectacle frames

Assignee: Marwitz and Hauser GmbH
•
Filing: 1977-03-28
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Granted: 1979-03-06
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Expires: 1997-03-28
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Abstract

Abstract A pad of homogeneous material has a closed, substantially smooth surface. It is age-resistant, wear-resistant and agreeable on the skin. It can be permanently connected to the material used for spectacle frames, made of transparent to opaque material and made with a lustrous surface. It has a Shore D hardness of 10 to 30 measured in accordance with DIN 53 505 and can be manufactured by injection molding. A recess is provided in the nose flank area of the spectacle rims, on the outside side thereof. The recess bottom is in approximately the plane of the spectacle frame and has a pocket in this plane which extends towards the groove for holding the lens. The pad has a base with an outwardly directed rib which is bonded in the pocket.

Inventors

  • 👤 Walter H. Bononi

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-10 00:51
CPC Classifications
G; G02; G02C; G02C5/00; G02C5/12; G02C5/126

Claims Analysis

Total Claims: 2
Claim 1
Independent Claim 262 words
A pad and a spectacle frame for holding lenses said pad having a base area and comprising a homogeneous material which has a closed and substantially smooth surface, is resistant to aging and agreeable on the skin in view of its use with spectacles, is wear-resistant when spectacles are worn, is permanently connectable to the material used for said spectacle frame, made of translucent material, has a Shore D hardness of 10 to 30 in accordance with DIN 53 505 and is injection moldable, said spectacle frame having spectacle rims made of plastic material having in the nose flank area and on each of the respective outer sides thereof a recess with an outer wall which is shaped to receive said base area of said pad when said spectacles are in use on the nose of a wearer and respective pockets which lie in approximately the same center plane as the spectacle frame in the area of the respective recess bottoms which pockets extend towards their respective grooves for holding respective lenses in the spectacle frame, said base area of each of said pads comprising an outwardly directed rib which is bonded in said pocket, said base area of each of said pads is in external contact with said respective outer walls of said recesses and the remaining part of said pads extend freely to the rear of said spectacle rim when not worn the area between said pads and said outer walls of said respective recesses above said base area comprising an appreciable gap, said gap being free of bonding material.
Claim 2
Dependent Claim 262 words
A pad and a spectacle frame for holding lenses said pad having a base area and comprising a homogeneous material which has a closed and substantially smooth surface, is resistant to aging and agreeable on the skin in view of its use with spectacles, is wear-resistant when spectacles are worn, is permanently connectable to the material used for said spectacle frame, made of translucent material, has a Shore D hardness of 10 to 30 in accordance with DIN 53 505 and is injection moldable, said spectacle frame having spectacle rims made of plastic material having in the nose flank area and on each of the respective outer sides thereof a recess with an outer wall which is shaped to receive said base area of said pad when said spectacles are in use on the nose of a wearer and respective pockets which lie in approximately the same center plane as the spectacle frame in the area of the respective recess bottoms which pockets extend towards their respective grooves for holding respective lenses in the spectacle frame, said base area of each of said pads comprising an outwardly directed rib which is bonded in said pocket, said base area of each of said pads is in external contact with said respective outer walls of said recesses and the remaining part of said pads extend freely to the rear of said spectacle rim when not worn the area between said pads and said outer walls of said respective recesses above said base area comprising an appreciable gap, said gap being free of bonding material.

References Cited (Backward Citations)

GB518938A Cited
GB511004A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1982-03-05 1982-09-04 1983-03-06 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1986-03-05 1986-09-04 1987-03-06 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1990-03-05 1990-09-04 1991-03-06 $7700.00 Window Closed / Lapsed

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