BACKGROUND ART It is known to using on connecting two reinforcing rods for the concrete structure construction, which are arranged between the ends of two reinforcing rods. Steel reinforcing rods used in poured concrete construction need to be joined end-to-end so as to make up a longer rod length and a single continues rod of equivalent length.

Conventional splices are made by means of an internally threaded sleeve to makes screw engagement with by each of two reinforcing rod ends to be joined. Such a splices are requires that at least one of reinforcing rod be rotated relative to the splice sleeve. It may require turning by hand heavy and long steel reinforcing rods, sometimes under difficult field conditions. Because of these and other reasons, reinforcing rods splice systems need to be installed easy and without turning either of the two reinforcing rods being joined. The present invention is an improvement over such splices, especially in more quicker and easy installation.

DISCLOSURE OF INVENTION The one of current method of reinforcement rods splicing requires machinery for threading reinforcing rod portions, skilled technician for the machinery and require many parts for splicing system. This method of splicing is increase construction labor cost and time. The purpose of this invention is providing reinforcing rods splicing method and splice, which is reducing problem as aforementioned and improve strength of reinforcing rods splicing sections. In accordance with the present invention, this reinforcing rods splice is developed for connecting the end of two axially aligned reinforcing rods portions, which is natural shape of reinforcing rods.

It is using at a two knob sections each having an inner side conforming to the reinforcing rod surface portions. A taper sleeves, which are making taping screw engagement and secure these knob sections. This invention will reduce construction time and labour cost.

BRIEF DESCRIPTION OF DRAWINGS The nature and mode of assembling of preferred embodiment of the present invention will now be more fully described in the following detailed description, take with the accompanying drawings wherein: Figure 1 is an exploded perspective view of a presently preferred form of the reinforcing rods splice; Figure 2 is a side view, completely in section, of the splice of Fig. 1 in fully assembled condition without reinforcing rods; Figure 3a is a side view, partly in section, of the splice of Fig. 1 in partially assembled condition ; Figure 3b is a side view, completely in section, of the splice of Fig. 1 in fully assembled condition with reinforcing rods ; BEST MODE FOR CARRYING OUT THE INVENTION An exemplary embodiment of a reinforcement rods splice is explained as follow. Slip over the two taper sleeves 21,22' shown are to the two axially aligned concrete reinforcing rods 1, 1'. Setting up the concrete reinforcing rods horizontally or perpendicularly on the basis of reinforcing rods ribs 2,2' and face each end portions of the reinforcing rods 1,1'. The splice joint assembly includes a pair of knob 10,10' which has inclined planes 12,12'. Place the pair of knob 10,10' on the reinforcing rods ribs 2,2', which are shaped inner side of the reinforcing rods portions 11,11'. An outer sleeves 22,22', previously slipped axially onto both reinforcing rods 1,1'. Screwing female sleeve 20 into sleeve 21'. The inclined planes of sleeves 20,20' change the directions of kinetic energy into perpendicular direction and secure and tightly hold both knob 12,12'.

The best way to make strong engagement in an axial direction between each knob 12,12' and both reinforcing rodsl, l', the knobs inner sidesll, ll' are shaped little more bigger than reinforcing rods ribs2,2' and have opposite incline planes. In the manner shown in Figure 2, it is for give enough space to irregular size of reinforcing rods ribs and if reinforcing rods ribs are in regular shape, place the one side knob to up and down directions against the other knob. The Figure 3a is partially assembled condition of this invention. It is shown as Figure 3 both sleeves are not completely connected. Both reinforcing rods ribs and the knobs inner sides are not completely contact each other.

But, as shown as Figure 3b, after the complete connections of both sleeves, the reinforcing rods ribs and the knobs are contact each other because of inclined planes of

knobs are compressed by inclined planes of sleeves 20,20' inner side.

Therefore, the both inner side of knobs 10, 10' are compressing the reinforcing rods outer portions, l' and connecting both reinforcing rods. Also, both sleeves 20,20'have partially knurling shaped on the outer side of screw taping portions 3,3' for prevent slipping when screwing the both sleeves and increase screw turning power. The present invention of reinforcement rods splice and method is providing more binding power and fast splicing. Thus,