JPS588533Y2 - Plate rubber elastic body - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION The present invention mainly relates to improvements in a plate-shaped rubber elastic body used as a backing material for the collar of a pipe joint.

Conventionally, this type of backing material has a plurality of protrusions 5 concentrically with the inner diameter of the flange at symmetrical positions on both sides of the base 4, which is equal to the diameter of the flange of the pipe joint, as shown in FIGS. 4 and 5. ... is installed protrudingly.

When the pipe joint is tightened, this kind of backing material forms a protrusion 5.
is crimped onto the flange surface to provide a good tightening effect.However, because pipe joints have a wide variety of diameters and flange sizes, a huge variety of backing materials must be used to manufacture backing materials. A mold must be prepared, and in the case of a pipe joint with a special diameter, a mold must be manufactured each time, which is extremely disadvantageous from an economical and management perspective.

In order to eliminate such drawbacks, the present invention is a plate-shaped rubber elastic body in which protrusions that intersect with each other are continuously protruded vertically and horizontally at appropriate intervals on both sides of the base, so that it can be formed into any diameter. The backing can be manufactured by punching out the backing material.

An embodiment of the present invention will be described with reference to the drawings. In FIGS. 1 and 2, reference numeral 1 denotes a base made of a plate-shaped rubber elastic material having a uniform thickness. A vertically continuous protruding rim 2 and a horizontally continuous protruding rim 3 are provided to protrude orthogonally to each other, and the cross sections of the protruding rims 2 and 3 are formed into an isosceles triangle.

Note that the cross section of the protrusions 2 and 3 is not limited to an isosceles triangle, and may be an approximate isosceles triangle, a semicircle, or an approximate semicircle.

This plate-shaped rubber elastic body is punched or cut out to match the shape of the collar of a pipe joint having an arbitrary diameter and used as a backing material.

As mentioned above, in the present invention, the substrate 1 made of a plate-shaped rubber elastic material having a uniform thickness is symmetrically placed on both sides at appropriate intervals.
Since this relates to a plate-shaped rubber elastic body formed of a large number of protrusions 2 and 3 that intersect with each other and protrude continuously in the vertical and horizontal directions, the protrusions 2 and 3 are crimped by the tightening of the pipe joint, and Since the protrusions are continuous in the vertical and horizontal directions, it exhibits a tight backing effect, and it can be punched or cut out to fit pipe joints with any diameter shape and easily used as a backing material. This method has the advantage that it is not necessary to manufacture a mold each time, and is extremely advantageous from an economical and management standpoint.

[Brief explanation of the drawing]

Figures 1 to 3 in the drawings show embodiments of the present invention.
The figure is a partial plan view, FIG. 2 is a sectional view taken along the line A-A in FIG. FIG. 5 is a sectional view taken along line B--B in FIG. 4. 1...Base body, 2, 3...Protrusions.

Claims (1)

[Claims for Utility Model Registration] ■ Substrate 1 made of a plate-shaped rubber elastic material having a uniform thickness.
A plate-shaped rubber elastic body characterized in that a large number of intersecting protrusions 2 and 3 are continuously protruded in the vertical and horizontal directions at appropriate intervals at symmetrical positions on both sides of the body. (2) A plate-shaped rubber elastic body according to claim 1 of the utility model registration, in which the protrusions 2 and 3 are orthogonal to each other. (2) The plate-shaped rubber elastic body according to claim 1 of the utility model registration claim, in which the cross sections of the protrusions 2 and 3 are formed into an isosceles triangle. (2) The plate-shaped rubber elastic body according to claim 1 of the utility model registration claim, in which the protrusions 2 and 3 have a semicircular cross section.