Material for fixing anchor bolt or like and method of manufactur

Special receptacle or package – For mixing

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Details

405259, B65D 2508

Patent

active

043456863

DESCRIPTION:

BRIEF SUMMARY
TECHNICAL FIELD

This invention relates to a material used, in case of boring a hole in a concrete foundation, base rock or the like and inserting and fixing a rod-like member such as anchor bolt or modified reinforcing steel in the hole, for filling the gap between the hole and the rod-like member to join the both, which is composed to be advantageous when cold-setting resin with hardener and aggregate are used in the work spot, and a method of manufacturing the same.


BACKGROUND OF ART

As a fixing material of this kind according to the prior art, as shown in Japanese registered utility model No. 982593 (Utility model publication No. 47-2249), known is a fixing material for planted bolt, comprising a glass tube filled with viscous resin and a suitable amount of granular stone aggregate intermixed therein and also with a small thin glass tube containing hardener for said resin, and sealed with a cap at its opening. This material is inserted in a loose hole for an anchor bolt, for example, and a rotating anchor bolt held by a chuck of an electric drill is inserted therein, thereby crushing the glass tubes and stirring them, and the anchor bolt is then fixed by leaving it at its position and awaiting the resin curing as it is.
The such fixing material is remarkably convenient in operation as compared with those fixing materials such as cement and mortar which have been filled between the anchor bolt hole and the anchor bolt since olden times. The main advantages are such as that the planting hole boring operation is easy as the diameter of the hole may be small and that the anchor bolt can be inserted and fixed to the bottom of a rather deep planting hole. Even in the such convenient fixing material, however, there are some problems to be solved. Particularly, the first problem is a large variance in fixing strength after application. This results from the use of natural stone aggregate such as quartz sand and powdered crystal. The second problem is that it is difficult to adjust the amount of use of the fixing material at the work spot. This second problem can be solved in due course by preparing glass tubes differing in length at suitable steps and using them indivisually or in suitable combination as occasion demands. In this case, however, another problem of increased cost will be caused by the increased classes of glass tube length.
An object of this invention is to provide a material for fixing an anchor bolt or the like, which properly solves these first and second problems, and a method of manufacturing the same.


DISCLOSURE OF INVENTION

The material for fixing an anchor bolt or the like according to this invention comprises a plurality of pairs of first and second members, the first member including a crushable tube, such as glass tube or hard plastic tube, containing artificial solid ball-like aggregates, such as ceramic balls, and paste-like base material of cold-setting resin requiring hardener, and the second member including a similar tube containing similar artificial solid ball-like aggregates and paste-like hardener for the above base material, said pairs being combined into a tubular structure having an outer diameter which permits insertion in a predetermined hole for the anchor bolt or the like, and the first and second members being joined at their contact portions and in the vicinities thereof. It is sometimes preferable to fill the internal cavity of the tubular structure with artificial solid ball-like aggregates and to join together with the above first and second members at the contact portions and in the vicinities thereof.
In the present fixing material, the aggregate particles are substantially uniform in strength and the variance of fixing strength after application is very small, as artificial solid balls are used as the aggregate. Moreover, this fixing material is available in any length wherever it is used, by snapping off after forming a file cut, for example. That is, the amount of use of the fixing material can be adjusted arbitrarily at the work spot. According to the

REFERENCES:
patent: 3913733 (1975-10-01), Flesch et al.
patent: 4007831 (1977-02-01), Bernhardt
patent: 4096944 (1978-06-01), Simpson
patent: 4153156 (1979-05-01), Seemann et al.

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