摘要:
A coupling structure of a watch band in which a coupling member such as a coupling pin or a hair pin does not sup from a coupling hole even if a user practices strenuous sports or a rotation and a twist are always applied to the coupling portion due to use for years, and a method of manufacturing a piece member for the band coupling structure. In a coupling structure of a band comprising a plurality of piece members, a projection protruded in a central direction of a coupling hole from an internal wall of the coupling hole is formed on an outer end of the coupling hole in the piece member positioned on an outside in a transverse direction, and a coupling member is inserted in the coupling hole provided in the transverse direction of the piece member and is engaged with the projection, thereby coupling the piece members to each other.
摘要:
There is provided a supporting member connected to an end of the personal adornment band, a push button slidably mounted in the supporting member, and having a manipulating portion and a hook, a lock member provided in the buckle so as to be engaged with the hook of the push button, and a spring provided in the supporting member for urging the push button outward. An opening is formed by cutting a side wall of the supporting member from an upper plate of the supporting member, thereby leaving a remaining portion at a lower portion of the side wall, and the manipulating portion of the bush button is exposed in the opening.
摘要:
The present invention provides a high strength titanium alloy useful as a material for products such as ornaments, products such as ornaments made of the titanium alloy, and a method for producing the products using the titanium alloy as a material. The high strength titanium alloy is capable of attaining high machinability, and the product made of the titanium alloy is excellent in beauty and decorativeness while being hard to made flawed or concaved. According to the present invention, the titanium alloy includes iron of 0.20 to 0.8 mass percent and oxygen of 0.20 to 0.6 mass percent, or iron of 0.2 to 1.0 mass percent, oxygen of 0.15 to 0.6 mass percent and silicon of 0.20 to 1.0 mass percent, with the balance of titanium and inevitable impurities. A method for producing a product using the titanium alloy as a material includes a steps of hot forging the titanium alloy at a temperature of (.beta.-transformation temperature -200.degree. C.) or higher, and then cooling it, thereby giving a high strength to the product.
摘要:
A pair of push plates (11, 12) are slidably mounted in a housing (3) so as to be moved in a lateral direction with respect to a longitudinal direction of a personal adornment band (2), one of the push plates (11) has an upper arm (15) having a thickness of an upper half thickness of the push plate, the other push plate (12) has a lower arm (16) having a thickness of a lower half thickness of the push plate, upper and lower arms are overlapped with each other, and a pair of return springs (13) are provided between the push plates for urging each push plate in an outward direction. A cover (4) has a lock pin (21) secured to the underside thereof to be engaged with engaging hooks (20, 20c) of the push plates. In a coupling state of the buckle (1), an engaging rod (23a) provided on a connecting link (23) of an end of the personal adornment band is held by the cover and the housing which are locked each other. When the push plates are pushed at the same time, the engaging hooks are disengaged from the lock pin of the cover, so that the cover is opened and the connecting link is disconnected from the housing.
摘要:
A buckle for watch bands has a cover (1), a guide housing (15) secured to an inside of the cover, the guide housing having a pair of push plates (19) each of which has an engaging projection (21) and springs. A middle plate (16) and a tongue (6) are rotatably connected to an end of the cover, and a bottom plate (18) having a band connecting portion and an engaging lug (23) is rotatably connected to the middle plate. A band is connected to the band connecting portion of the bottom plate. Another band having adjusting holes is inserted into a space between the cover (1) and the housing (15) and the tongue (6) is inserted into the adjusting hole so as to adjust the length of the band.
摘要:
The invention provides a nozzle tip for manufacturing a glass fiber having a deformed cross-section which is of a large deformation ratio in the cross-section. A plurality of projected edges are provided to extend downwardly from the distal end of a nozzle tip at its outer periphery. Molten glass coming out of an orifice is separated at an outlet of the orifice into a flow descending from the orifice center and flows descending along inner walls of the projected edges, and the flow descending from the orifice center is attracted toward the flows descending along the inner walls of the projected edges. As a result, a glass fiber having a deformed cross-section is produced which is protruding in its portions corresponding to the projected edges. The cross-section of the glass fiber produced by using the present nozzle tip has a deformation ratio not less than 2.3.