Button surface member forming method
A surface component and button technology, which is applied in the field of buttons with this button surface component, can solve the problems of out-of-shape characters and patterns in the ring area, flattened engraving, and inability to write deep and clear characters around the side. , to achieve the effect of clear and clear engraving
Active Publication Date: 2016-05-25
YKK CORP
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Problems solved by technology
[0003] However, in the method disclosed in the above-mentioned patent documents, after stamping letters and patterns etc. on the flat circular area of the metal plate and punching it out, the ring area and its inner part (disc portion) are perpendicular to each other. The method carries out deep drawing processing on the ring area, so there is a problem that the characters and patterns in the ring area (surrounding side) are out of shape.
In addition, if the engraving on the ring area is deep, the engraving may be crushed or damaged during the subsequent pushing and deep drawing, so there may be cases where it is not possible to have deep and clear characters on the peripheral side. question
Method used
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[0043] Next, preferred embodiments of the present invention will be described with reference to the drawings. In addition, in figure 1 , Figure 4 , Figure 7 , Figure 8 , Figure 10 , Figure 11 , Figure 14 , Figure 15 and Figure 16 ~ Figure 19 Among them, for convenience of description, the up-down direction is shown opposite to the direction during actual processing. figure 1 It is a perspective explanatory view roughly showing a button surface member (hereinafter also simply referred to as a “surface member”) 10 according to an embodiment of the present invention, and a metal plate 1 in a state in which the surface member 10 is cut out. A surface member 10 is formed from a metal plate 1, and buttons 100, 120 (refer to Figure 24 with 25 ) head etc. to attach the surface member 10. Figure 13 etc. represent the longitudinal section of the surface member 10 . The surface member 10 includes a circular plate portion 11 and a peripheral side portion 12. The peri...
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Disclosed is a button surface member forming method in which an imprint (13, 73) can be made clearly without warping relative to the circumference (12, 72) of the button surface member (10, 70). When forming a shallow metal circular-cup-shaped button surface member (10, 70) having a disk portion (11, 71) and an annular circumference portion (12, 72) extending from the edge of the disk portion (11, 71) in the axis direction, a ridge portion (10', 10", 70') having a disk area (11', 11", 71') and a circumference area (12', 12", 72'), which correspond to the disk portion (11, 71) and circumference portion (12, 72) of the aforementioned button surface member (10, 70), is extracted from a metal plate (1, 2), and letters or patterns are imprinted on the circumference area (12', 12", 72') of the aforementioned ridge portion (10', 10", 70'). After or before said imprinting, the aforementioned ridge portion (10', 10", 70') is cut away from the metal plate (1, 2). The imprint (13) on the circumference area (12', 12") of the ridge portion (10', 10") is provided by forming a depression (13a) by applying to the circumference area (12', 12") from the radially outward direction an outer die (30) having a convex portion (32, 32', 32"), and by simultaneously forming a protruding portion (13b) by applying from the radially inward direction an inner die (40) having a concave portion (42, 42', 42").
Description
technical field [0001] The present invention relates to a button surface member, a method for forming the button surface member, and a button. The method of the button surface member and the button with the button surface member attached thereto. Background technique [0002] Buttons and button fasteners are known that include a main body and a circular shallow cup-shaped button surface member attached to the head of the main body for decoration, reinforcement, and the like. The button surface member is formed by deep drawing a metal plate. The button surface member has a circular shallow cup shape and includes a disk portion and a peripheral side portion extending from the periphery of the disk portion to one side in the axial direction. On the surface member of the button, engraving, printing, etc. of various decorative designs have been performed on the surface of the disc portion until now. Matching requires that the peripheral side has characters, marks, graphics and ...
Claims
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IPC IPC(8): A44B1/04
CPCA44B1/04A44B1/14
Inventor 长谷川建二大木登志夫
Owner YKK CORP