BACKGROUND OF THE INVENTION 1. Field of the Invention
The invention relates to bricks and more particularly to a brick having two complementary ends so that mortar filled the gaps between one end of a brick and the other complementary end of an adjacent brick may bind them together for a prolonged period of time.
2. Description of Related Art
A circular brick wall built by conventional rectangular bricks A is shown in FIG. 1. One drawback of the bricks A is that mortar filled the gaps between the bricks A may not bind them together for a prolonged period of time. This is because two ends of the brick A are flat and the binding force exerted on the bound ends of the bricks A is not sufficient.
Thus, the need for improvement still exists.
SUMMARY OF THE INVENTION It is therefore one object of the invention to provide a brick comprising a concave first end, a convex second end, a first side, a second side, a top, and a bottom wherein the first end and the second end are complementary.
The above and other objects, features and advantages of the invention will become apparent from the following detailed description taken with the accompanying drawings.
BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is a perspective view of a brick wall built by conventional rectangular bricks;
FIG. 2A is a perspective view of a brick according to a first preferred embodiment of the invention;
FIG. 2B is another perspective view of the brick shown in FIG. 2A;
FIG. 3 is a perspective view showing three bricks to be joined;
FIG. 4 is a perspective view showing a row of bricks bound together;
FIG. 5 schematically depicts a brick wall built by the bricks around soil;
FIG. 6 is a top view showing a circular brick wall built by the bricks;
FIG. 7 is a perspective view showing a tree surrounded by soil which in turn is surrounded by a circular brick wall build by three loops of bricks of the invention;
FIG. 8 is a perspective view showing a tree surrounded by soil which in turn is surrounded by a circular brick wall build by two loops of bricks of the invention;
FIG. 9 is a perspective view showing a tree surrounded by soil which in turn is surrounded by a circular brick wall build by a loop of bricks of the invention;
FIG. 10 is a perspective view of a brick according to a second preferred embodiment of the invention;
FIG. 11 is a perspective view of a brick according to a third preferred embodiment of the invention;
FIG. 12 is a perspective view of a brick according to a fourth preferred embodiment of the invention;
FIG. 13 is a perspective view of a brick according to a fifth preferred embodiment of the invention;
FIG. 14A is a perspective view of a brick according to a sixth preferred embodiment of the invention;
FIG. 14B is another perspective view of the brick shown in FIG. 14A;
FIG. 15 is a perspective view of a brick according to a seventh preferred embodiment of the invention;
FIG. 16 is a perspective view of a brick according to an eighth preferred embodiment of the invention;
FIG. 17 is a perspective view of a brick according to a ninth preferred embodiment of the invention;
FIG. 18 is a perspective view of a brick according to a tenth preferred embodiment of the invention;
FIG. 19 is a perspective view showing a brick wall built by the bricks of the tenth preferred embodiment;
FIG. 20 is a perspective view of a brick according to an eleventh preferred embodiment of the invention;
FIG. 21 is a longitudinal sectional view schematically showing pegs disposed through the holes of the bricks of the sixth preferred embodiment into the soil;
FIG. 22A is a perspective view of a brick according to a twelfth preferred embodiment of the invention;
FIG. 22B is another perspective view of the brick of FIG. 22A; and
FIG. 23 is an enlarged view of a portion of the bricks shown in FIG. 21 with the pegs removed.
DETAILED DESCRIPTION OF THE INVENTION Referring to FIGS. 2A to 9, a brick 1 in accordance with a first preferred embodiment of the invention comprises a concave first end 11, a convex second end 12, a concave first side 13, a convex second side 14, a top 15, and a bottom 10. The characteristic of the invention is that the first end 11 and the second end 12 are complementary so that mortar filled the gaps between the first end 11 of a brick 1 and the second end of an adjacent brick 1 may bind them together for a prolonged period of time.
Referring to FIG. 10, a brick 1 in accordance with a second preferred embodiment of the invention is shown. The characteristic of the second preferred embodiment is that two holes 151 having circular cross-section are provided through the top 15 and the bottom.
Referring to FIG. 11, a brick 1 in accordance with a third preferred embodiment of the invention is shown. The characteristics of the third preferred embodiment are that two holes 151 having four-sided cross-section are provided through the top 15 and the bottom 10.
Referring to FIG. 12, a brick 1 in accordance with a fourth preferred embodiment of the invention is shown. The characteristics of the fourth preferred embodiment are that two holes 151 having four-sided cross-section are provided through the top 15 and the bottom, and three raised parallel lines are provided on an outer surface except the first end.
Referring to FIG. 13, a brick 1 in accordance with a fifth preferred embodiment of the invention is shown. The characteristics of the fifth preferred embodiment are that a plurality of joined convex sections 16 are formed on the top.
Referring to FIGS. 14A and 14B, a brick 1 in accordance with a sixth preferred embodiment of the invention is shown. The characteristic of the sixth preferred embodiment is that two holes 152 having a beveled opening on the top and a raised opening on the bottom are provided through the top and the bottom.
Referring to FIG. 15, a brick 1 in accordance with a seventh preferred embodiment of the invention is shown. The characteristics of the seventh preferred embodiment are that three holes 151 having circular cross-section are provided through the top 15 and the bottom, and both first and second sides 17 are flat.
Referring to FIG. 16, a brick 1 in accordance with an eighth preferred embodiment of the invention is shown. The characteristic of the eighth preferred embodiment are that both first and second sides 17 are flat, and the brick 1 is solid.
Referring to FIG. 17, a brick 1 in accordance with a ninth preferred embodiment of the invention is shown. The characteristic of the ninth preferred embodiment are that two holes 151 having four-sided cross-section are provided through the top 15 and the bottom, and both first and second sides 17 are flat.
Referring to FIG. 18, a brick 1 in accordance with a tenth preferred embodiment of the invention is shown. The characteristics of the tenth preferred embodiment are that a plurality of joined convex sections 16 are formed on the top, and both first and second sides are flat.
Referring to FIG. 19, a brick wall built by the bricks 1 of the tenth preferred embodiment is shown.
Referring to FIG. 20, a brick 1 in accordance with an eleventh preferred embodiment of the invention is shown. The characteristics of the eleventh preferred embodiment are that two holes 151 having circular cross-section are provided through the top and the bottom, and both first and second sides 17 are flat.
Referring to FIG. 21, it schematically shows a plurality of pegs 2 disposed through the holes of the bricks 1 of the sixth preferred embodiment into the soil.
Referring to FIGS. 22A and 22B, a brick 1 in accordance with a twelfth preferred embodiment of the invention is shown. The characteristics of the twelfth preferred embodiment are that two holes 152 having a beveled opening on the top and a raised opening on the bottom are provided through the top and the bottom, and both first and second sides 17 are flat.
Referring to FIG. 23, an enlarged view of a portion of the bricks 1 of FIG. 21 with the pegs removed is shown.
While the invention has been described in terms of preferred embodiments, those skilled in the art will recognize that the invention can be practiced with modifications within the spirit and scope of the appended claims.
