Loading patent…
AssigneeCitizen Watch Co., Ltd.
InventorsKouji Fujii, Junji Satoh, Hitoshi Uchida, Norio Hashimoto, Ryo Fujita
Estimating the term…
A wristwatch case (11) and a method of manufacturing the case, the wristwatch case comprising a wristwatch case body (1) made of titanium or stainless steel and a crown pipe (3) fixed to each other, wherein a stem hole (2) corresponding to the crown pipe (3) is formed in the wristwatch case body (1), a small diameter part is formed in the crown pipe (3), and a small diameter part corresponding to the a small diameter part of the crown pipe is formed in the stem hole (2), the method comprising the step of fitting the crown pipe (3) into the stem hole (2) in the wristwatch case body (1) to form a solid phase diffusion joining part at a portion where the small diameter parts thereof are fitted closely to each other, and to form a brazed connection part at a portion other than that where the small diameter parts are fitted closely to each other, whereby a watch external part having excellent corrosion resistance and waterproof and a large number of design variations can be provided.
A decorative article of a wristwatch, having a construction in which a first part is fixedly attached to a second part,
A decorative article of a wristwatch, having a construction in which a first part is fixedly attached to a second part,
A decorative article of a wristwatch, having a construction in which a first part is fixedly attached to a second part,
A method of manufacturing a decorative article of a wristwatch by fixedly attaching a first part to a second part, said method comprising:
A method of manufacturing a decorative article of a wristwatch by fixedly attaching a first part to a second part, said method comprising:
A method of manufacturing a decorative article of a wristwatch by fixedly attaching a first part to a second part, said method comprising:
Dependencies are inferred from the claim text.