PROCEDURE OF MASONRY AND NOZZLE FOR VISCOUS FLUID INJECTION

Abstract

The present invention consists in a nozzle for the efficient injection of viscous fluids into holes, cracks or groves through a mechanism preventing the draining outwardly of the volume to fill, which is obtained by incorporating to the injector's tip a screen with a central boring adjusted to the injector tip's surface, preferably of a semi-spherical form and of ferrous material, where said screen shows some freedom of movement levels with respect to the injector, thanks to screen's central boring being surrounded of magnets and having a semi-spherical profile that supplements the injector's tip.

Claims

1. A device for the injection of viscous fluids in holes, cracks or grooves; preferably for mortar injection in masonry wall construction through bricks or blocks for allowing the use of some kind of separators or connectors to produce the proper distance between the bricks or blocks; comprising a tubular body which receives fluid to inject for one end, and in its opposite end with an injector nozzle with a tip, WHEREIN the device comprises a flat screen with a central boring, through which the injector nozzle is inserted and the tip injector is projecter over the surface of the flat screen, said injector tip being coupled to the screen, said coupling being capable of allowing inclination of said screen with respect to the injection nozzle, which allows to adjust the flat screen with the surface with a small pressure of the device over the groove, preventing the viscous fluid to drain out of said groove.

2. The device for the injection of viscous fluids according to claim 1, WHEREIN the tip of the injector comprises a ring-shaped depression close to its end and the adjustment between the tip of the injector and the screen is through an elastomeric material.

3. The device for the injection of viscous fluids according to claim 1, WHEREIN the shape of the tip of the injector that allows housing said screen, has a semi-spherical shape in its end and it is supplemented with the same semi-spherical form in the central boring of the screen.

4. The device for the injection of viscous fluids according to claim 3, WHEREIN said screen's boring is surrounded by one or more magnets that keep the screen adhered to the injector's ferrous tip.

5. The device for the injection of viscous fluids according to claim 3, WHEREIN the screen remains adhered to the tip of the injector through a plurality of springs that pulls the screen from equidistant points from the center towards a ring located in the nozzle's tubular body.

6. The device for the injection of viscous fluids according to claim 1, WHEREIN the screen consists in a disk with rounded external edge or curved backwards.

7. The device for the injection of viscous fluids according to claim 1, WHEREIN the screen is made of transparent material, as glass or polycarbonate for example.

8. The device for the injection of viscous fluids according to claim 1, WHEREIN the nozzle in addition comprises a handle that is perpendicular to the tubular body.

9. The device for the injection of viscous fluids according to claim 1, WHEREIN the nozzle in addition comprises a handle on the rear portion of the tubular body.

10. The device for the injection of viscous fluids according to claim 1, WHEREIN the nozzle) in addition comprises a device that regulates the injector's outlet flow.

11. The device for the injection of viscous fluids according to claim 10, WHEREIN the device that regulates the flow is electric or electronic and allows changing the speed of the pumping system.

12. A method to build any masonry rig, preferably to build walls using masonry units, preferably bricks and with separators or connectors, WHEREIN comprises the supply of the masonry units and separators or connectors to fabricate the walls, and the construction is at least composed of the stages of: building the walls only with masonry units, preferably bricks, and any kind of separators or connectors causing the proper spacing between masonry units, in addition to fix the position of each unit with respect to the surrounding ones, where in spaces between the masonry units produce grooves; Supplying a device of claim 1 for the injection of viscous fluids in holes, cracks or grooves; Connecting said device to a mortar pump for the injection of viscous fluids; Injecting the mortar between the masonry units, using the injection nozzle through an horizontal displacement over the lower grooves; and Repeating the previous stage over the adjacent upper horizontal groove and so on.

Description

BRIEF DESCRIPTION OF FIGURES

[0014] FIG. 1 is a detailed view of a masonry wall built under the method of the present invention in the stage of injecting the sticking mortar, using the nozzle of the present invention according to a preferred embodiment thereof.

[0015] FIG. 2 is a perspective view of the injection tool according to a preferred embodiment of the invention.

[0016] FIG. 3 is a second perspective view of the injection tool according to a preferred embodiment of the invention.

[0017] FIG. 4 is a vertical, longitudinal cross section of the injection tool according to a preferred embodiment of the invention, where the freedom of movement level is shown for the screen in relation to the injector.

[0018] FIG. 5 is a horizontal, longitudinal cross section of the injection tool according to a preferred embodiment of the invention, where the freedom of movement level is shown for the screen in relation to the injector.

[0019] FIG. 6 is a side, cross-section view of the injector and of the screen, where the semi-spherical profile of both parts is shown and how this allows freedom of movement levels between the injector and the screen. It also shows a ring-shaped magnet surrounding the central boring of the screen that keeps it adhered to the screen according to the preferred embodiment of the nozzle.

[0020] FIG. 7 is a side, cross-section view of the injector and of the screen, where a ring-shaped depression on the end of the injector where the screen is coupled, which central boring is surrounded by an elastic material according to an alternative embodiment of the present invention.

[0021] FIG. 8 is a side, cross-section view of the injecting tool with a system of springs according to another alternative embodiment of the present invention.

[0022] FIG. 9 is a cross-section view of a masonry wall built with separators.

[0023] FIG. 10 is a perspective view of a masonry wall in the process of construction, where the sticking mortar is injected ex post using the tool and method of the present invention.

DETAILED DESCRIPTION OF THE INVENTION

[0024] As it can be seen in FIG. 1, the present invention consists in a nozzle (100) for the injection of viscous fluids in holes, cracks or grooves, and a method associated with the construction and/or repair of walls. The FIG. 1 shows how said nozzle (100) is used, especially in the injection of sticking mortar (300) between bricks (200) in a pre-built wall only with bricks (200) and separators (400), the latter as seen in FIG. 9 according to an embodiment of the invention.

[0025] In the preferred embodiment of the invention and as shown in FIGS. 2 and 3, the nozzle (100) comprises:

[0026] An injector (10) with a tip of semi-spherical profile extended to a tapered section and ending in a tubular body, which end comprises a tubular connection means, preferably an internal thread, with said injector being fully hollow inside, and

[0027] A tubular body (20) comprising in both ends a tubular connection means forwardly with the injector (10) and backwardly with a pumping system of viscous fluid. In order to facilitate the handling of the tools when injecting the fluid, said tubular body also comprises two handles or side-handles (22, 23), one of them on the rear (23) and aligned with it, and the second one close to the injector (22) and perpendicular to the tubular body, as seen in FIGS. 2, 3, 4 and 5. In addition, in an alternative embodiment of the nozzle, the tubular body comprises connection means for springs (21), distributed in an annular way close to the front end, as shown in FIG. 8.

[0028] The nozzle (100) also comprises as follows:

[0029] A screen (30) with a central boring of semi-spherical profile that complements with the tip profile of said injector, so that to allow the suspension and angular mobility of the screen over the injector, as shown in FIGS. 4, 5 and 6. The screen is preferably transparent and with its external edge curved backwards, so that to facilitate the displacement of the assembly through the external surface of the groove to be injected.

[0030] The means of tubular connection of the injector (10) and the tubular body (20) correspond each other, as shown in FIGS. 4 and 5. The connection means located inside the injector's end (10) matches the connection means of the tubular body's outside (20). In a preferred assembly of the invention, the connection means are threads, but they are not limited to this kind of connection and said connection can be performed by any proper means.

[0031] As shown in detail in FIG. 6 and according to the preferred embodiment, the tip of the injector (10) of the nozzle (100) has a semi-spherical external profile, to which the screen (30) is coupled through a central boring with the same semi-spherical profile of the tip of the injector (10), so that to allow the suspension and the angular mobility of the screen over the injector; thus the nozzle may lose perpendicularity to the wall plane, while the screen will remain fully in touch with the surface, preventing the injected fluid from spilling outside the groove or volume to fill.

[0032] As it can be seen in FIGS. 6 and 7, the edge of the front end of the injector (10) of nozzle (100) slightly breaks through the screen (30) to act as guide in the displacement of grooves. The apparent radius of the screen should be equal to or greater than the groove or hole to fill, because with this the nozzle (100) forces the mortar (300) to penetrate a depth equal to the screen's apparent radius before starting to seep outside the groove and over the edge of the screen. It is also obvious that the pumping pressure and the mortar fluidity are key parameters to get the desired result in each particular case.

[0033] In order to keep the screen (30) adhered to the injector (10) in the preferred embodiment where the screen's central boring has a semi-spherical profile that complements the profile of the tip of said injector, the preferred adhesion embodimentsshown in FIG. 6comprises a ring-shaped magnet (34), which internal profile complements that of the injector and its external profile is joint with the contour of the screen's central boring (30), keeping it joint to the injector's metal tip, preferably ferrous. For this same configuration, an alternative adhesion embodiment, shown in FIG. 8, is going through a plurality of springs (32) engaged to connection means (21, 31) distributed over the screen (30) and in the tubular body (20) in a symmetric and concentric way.

[0034] In an alternative embodiment of the invention, shown in FIG. 7, the coupling and adhesion means between the screen (30) and the injector (10) comprises a rubber part in form of ring (35), which is joint in its outside to the contour of the screen's central boring (30), while the inside part adjust to a ring-shaped depression in the injector's end (10); thus, the screen remains joint to the injector, but with the levels of freedom required for the functionality foreseen in the present invention.

[0035] The preferred use of the nozzle (100), as shown by FIGS. 1 and 10, is in the injection of sticking mortar (300) among the masonry units, when the constructive method considered in this invention is used consisting in: pre-building the walls of the whole level of the house only with masonry units, preferably bricks (200) and any kind of separators or connectors (400) producing the proper spacing between the masonry units, in addition to fix the location of each unit in relation to the surrounding ones. This allows installing the pipe inside the wall, as well as fixing the door and window frames and then checking the risk location of all elements, injecting the sticking mortar (300) between the masonry units (200) using the nozzle (100) connected to the mortar pumping machine through a flexible pipe (500). The injection process should start from the lowest rows and along a horizontal course, as shown by FIG. 1, because the vertical grooves are filled fast, when the nozzle goes through the horizontal rows. In walls built with hollow bricks, completing the injection by the other side of the wall is necessary.