TH155063A - Structure of curved pipes and molds for forming curved pipes. - Google Patents

Abstract

A tubular arc structure, which has the main body (12) of the pipe bend (10) where the current path flows along the axial direction (12A) and the bend (14) part in the axial direction (12A). On the inner side, the inner side, the direction of the bend (14A) of the bend (14) in the main pipe body (12), is formed as a concave section (16), making a large extension of the directional cross-sectional area. Of the axis (12A) in the mold of the mold for forming the bend pipe The recessed core (16) is inserted into the groove of the main core. And as the main core moves in the reverse direction, the tip of the hinge-shaped core is attached to the inner side, in the direction of the bend (14A) of the bend (14). Then move to the forming position of the main core

Claims (9)

Disclaimer (all) which will not appear on the advertisement page. : ------ 03/08/2018 ------ (OCR) Page 1 of amount 1 page. 1.The arc structure in which the arc (14) is in the axial direction (12A) is injection molded, consisting of a bend (12) made of synthetic resin and a throttle around the inner loop (14A) of the part. A bend (14) with an R-pattern deflection and an indentation (16) that occurs in the axial direction (12A). It consists at the center in the inner circumferential throttle direction (14A) at the R-pattern. Below (16A) of the aforementioned concave (16), when the said concave (16) is viewed from the side at a right angle in the throttle direction (12A), there is a convex surface on the outside of the throttle axis (12A). As mentioned, the distance between the two lateral parts (16B) of the aforementioned (16) when viewed in the aforementioned throttle direction (12A) is greater than the distance of the inner diameter throttle in the horizontal direction. Lying as opposed to the aforementioned throttle (12A) of the aforementioned bend (14) 2. The arc structure specified in claim 1 regarding the characteristics of the arc (12) with the bent part (14) in the direction of the throttle axis (12A) is a right angle form letter T. 3.The arc structure specified in claim 1, regarding the characteristic of the arc (12) with the bent arc (14) in the direction of the throttle axis (12A), is an acute angle form the letter Y. 4.The arc structure specified in claim 1 regarding the peculiarity of the arc (12) with the bend (14) in the throttle direction (12A) is a form of the letter X. 5. The arc structure specified in Claim 1-4 or any one. On the characteristics of the two open ends (12B) of the bends (12) with the connection pattern of the pipe. (15) that can be connected to both ends (12B) ------------ 1. Curved tube structure which has The main pipe, which has a partial bend in the axial direction and extends the cross-sectional area for enlarging the cross-sectional area of the main pipe, is formed along the axis of the main pipe. At the periphery, inside, side, inward direction Bend of such bends 2. The curved pipe structure specified in claim 1, at a large extension of such cross-sectional area, the shape seen in the direction of the axial direction is the concave pit on both side walls and on the floor. Make a circular arc protruding to the side around the outside of the main pipe. 3. The curved pipe structure specified in claim 2 on both the side walls and the floor side. Make a circular arc that is seamlessly connected 4. The curved pipe structure specified in claim 2 at the boundary of the two lateral sections with The ground side forms a curved circle that has been bent. 5. The curved pipe structure specified in claim 1 at a large extension of such cross-sectional area, the contours seen in the direction of the axes are straight lines. And the floor side is made of a circular arc protruding to the side of the welded outer side of the main pipe 6. The curved pipe structure specified in claim 1, at a large extension of the cross-sectional area, the shape seen from the axial direction is a concave hole on both side walls and on the floor. Make a straight line 7. The curved pipe structure specified in Claims 1-6, one of the number 1 on the floor side of the section. The concave hole has a curved side that protrudes towards the side of the axis when viewed from the perpendicular side. With such concave holes in the said axis direction 8. The curved pipe structure specified in Claims 1- 6, one of the items on the floor side of the section. The concave hole is sloping when viewed from the side perpendicular to the concave portion in That axis direction 9. A mold for forming a curved pipe consisting of The inner mold is formed along the inner side axial direction, the inner side of the bend direction. Of the bent part that is installed as part in that axial direction. By creating an inner circle Of the main tube with a large cross-sectional area for enlarging the cross-sectional area and the peripheral mold forming the periphery of the main body Where the mold in it has The main cores are pairs that can be separated and combined in that axial direction by pulling. Separated and approached in the axial direction of the said main pipe and the secondary core that is inserted into the groove part formed along that axis direction on either side. It is at least the core of the pair. And either side is at least the main core that is The pair along the groove can be moved relative to the forming position and the Retreat position With the end of the contour attached to the inner side, inward direction Bend of such bends Moving towards the forming position of at least one side. Of the dual core, from which either side is at least the dual core Moved to the said escape position