EP0339359A1
Expired / Lapsed
EP
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Soldering material for spectacle frame and spectacle frame in which said soldering material is used
Assignee: Sigma Co Ltd
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Filing: 1989-04-11
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Granted: —
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Expires: 2009-04-11
Abstract
Abstract A shape memory alloy is used for face-contacting parts (1, 3, 4, 5; 101) and lens-fixing parts (2) of a spectacle frame, and parts (12, 13; 103) connected thereto are formed of titanium, a titanium alloy, nickel, or a chromium alloy. These parts are suitably soldered by a soldering material (111) formed of 5 - 15 wt.% of palladium, 5 - 15 wt.% of gallium, and a balance consisting of silver.
Inventors
- 👤 Kazuo Segoshi
- 👤 Toshiyuki Okuda
- 👤 Kenji Okamura
- 👤 Mizuo Yoshida
Bibliographic Details
Application Number
—
Jurisdiction
EP
Data Source
google_patents
Last Synchronized
2026-11-04 17:33
CPC Classifications
G; G02; G02C; G02C5/00; G02C5/14; B; B23; B23K; B23K35/00; B23K35/22; B23K35/24; B23K35/30; B23K35/3006
Claims Analysis
Total Claims: 11
Claim 1
Independent Claim
30 words
A soldering material for a spectacle frame, characterized by being formed of 5 - 15 wt.% of palladium, 5 - 15 wt.% of gallium, and a balance consisting of silver.
Claim 2
Dependent Claim
30 words
A soldering material for a spectacle frame, characterized by being formed of 5 - 15 wt.% of palladium, 5 - 15 wt.% of gallium, and a balance consisting of silver.
Claim 3
Dependent Claim
60 words
A spectacle frame, characterized by comprising parts (1, 2, 3, 4, 5; 101) formed of a shape memory alloy and parts (12, 13; 103) formed of titanium, wherein soldering portions of said parts are soldered by a soldering material (111) formed of 5 - 15 wt.% of palladium, 5 - 15 wt.% of gallium, and a balance consisting of silver.
Claim 4
Dependent Claim
60 words
A spectacle frame, characterized by comprising parts (1, 2, 3, 4, 5; 101) formed of a shape memory alloy and parts (12, 13; 103) formed of titanium, wherein soldering portions of said parts are soldered by a soldering material (111) formed of 5 - 15 wt.% of palladium, 5 - 15 wt.% of gallium, and a balance consisting of silver.
Claim 5
Dependent Claim
39 words
A spectacle frame according to Claim 2, wherein said parts (1, 2, 3, 4, 5; 101) formed of said shape memory alloy are used as face-contacting parts including a side (1; 101) and lens-fixing portions including a rim (2).
Claim 6
Dependent Claim
62 words
A spectacle frame, characterized by comprising parts (1, 2, 3, 4, 5; 101) formed of a shape memory alloy and parts (12, 13; 103) formed of a titanium alloy, wherein soldering portions of said parts are soldered by a soldering material (111) formed of 5 - 15 wt.% of palladium, 5 - 15 wt.% of gallium, and a balance consisting of silver.
Claim 7
Dependent Claim
62 words
A spectacle frame, characterized by comprising parts (1, 2, 3, 4, 5; 101) formed of a shape memory alloy and parts (12, 13; 103) formed of a titanium alloy, wherein soldering portions of said parts are soldered by a soldering material (111) formed of 5 - 15 wt.% of palladium, 5 - 15 wt.% of gallium, and a balance consisting of silver.
Claim 8
Dependent Claim
39 words
A spectacle frame according to Claim 4, wherein said parts (1, 2, 3, 4, 5; 101) formed of said shape memory alloy are used as face-contacting parts including a side (1; 101) and lens-fixing portions including a rim (2).
Claim 9
Dependent Claim
64 words
A spectacle frame, characterized by comprising parts (1, 2, 3, 4, 5; 101) formed of a shape memory alloy and parts (12, 13; 103) formed of nickel or a chromium alloy, wherein soldering portions of said parts are soldered by a soldering material (111) formed of 5 - 15 wt.% of palladium, 5 - 15 wt.% of gallium, and a balance consisting of silver.
Claim 10
Dependent Claim
64 words
A spectacle frame, characterized by comprising parts (1, 2, 3, 4, 5; 101) formed of a shape memory alloy and parts (12, 13; 103) formed of nickel or a chromium alloy, wherein soldering portions of said parts are soldered by a soldering material (111) formed of 5 - 15 wt.% of palladium, 5 - 15 wt.% of gallium, and a balance consisting of silver.
Claim 11
Dependent Claim
39 words
A spectacle frame according to Claim 6, wherein said parts (1, 2, 3, 4, 5; 101) formed of said shape memory alloy are used as face-contacting parts including a side (1; 101) and lens-fixing portions including a rim (2).
References Cited (Backward Citations)
US3702763A
Cited
EP0146317A2
Cited
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