FI114240B - Gun barrel cleaning brush and has brush freely rotating on core that is pulled up and down gun barrel between end plugs with chemical addition ports fitted to seal each end of the barrel and may be motorized with automatic controller - Google Patents

Abstract

The brush (20) is fitted freely to rotate on a core driven along the barrel (9) by cogged belts (17) running between adjustable pulleys (5 & 12) held in end plugs (2 & 10). The end plugs have a port for addition and removal of chemical and are sealed into each end of the barrel. The belt is driven by a drive (11) from a reversible motor that may be under programmable control : INDEPENDENT CLAIM is also included for the method of barrel cleaning.

Description

114240

DEVICE FOR CLEANING THE FIRE OF A SHOOTING -ANORDNING FÖR RENGÖRING AV ELDRÖRET P ET ET SKJUTVAPEN

The invention relates to a device for cleaning a firearm or barrel of a firearm as defined in the preamble of claim 15.

In this connection, for the sake of simplicity, the fire tube and the barrel are referred to collectively as the tube.

10 Pipes for firearms, such as small arms, carts, cannons, various projectors, etc., must be cleaned at regular intervals to remove deposits of ammunition or bullet accumulated in the barrel and debris, such as soot and gunpowder. Ammunition remnants, as used herein, mean metal debris remaining in the projectile, such as copper, brass, bronze, zinc, aluminum, alumina, or lead, depending on the structure of the projectile. In addition, stored replacement tubes are inspected at regular intervals, whereupon the tubes are cleaned, inspected and then re-greased. This work is done on a full-time basis.

• * ·. * ·· There are many different *: * ways of cleaning firearms in the past. What is known is, for example, mechanical brushing, which is a laborious and slow operation and can be somewhat accelerated using a suitable known cleaning agent.

• · However, the use of detergent does not completely eliminate the need for brushing.

30 With prior art techniques such as cannon barrel cleaning, brushing, debris removal, possible ... * rinsing and stock greasing, the average time is 4-7 hours, which means that a single barrel takes almost a whole working day.

• 35 Finnish Patent 97727 discloses a method for cleaning ammunition barrels for firearms using a foamed cleaning agent. The detergent composition 2 114240 contains tensides and alkanolamine and / or nitrate salt as projectile remover. Alkanolamines have proven to be good copper remnants and nitrate salts are good 5 zinc removers. In some cases, this technique substantially reduces the need for mechanical cleaning, but mechanical cleaning is still necessary, especially for high-flying firearms.

From patent application FI 20002621 there is known a method of Kemi mechanical cleaning of a firearm fire barrel or barrel, wherein the tube or barrel is sealed at both ends and at least one gaseous cleaning chemical is applied to the closed barrel, the chemical is reacted with the residue is removed from the tube. If necessary, rinse and dry the tube.

In addition, there is a mass of pneumatic and hydraulic systems for cleaning the cannon barrel.

Known as the "Coefa", the system is a hydraulic roller with a fluid-backed pump: · · · ·. This system is closed but ** · '; 25 pose a threat to the environment when used. : due to the handling of large quantities of oil and harmful chemicals. This system also requires large equipment and is difficult to use and handle on its own, making it very unsuitable for field conditions. In addition, it requires a separate power source.

... · The system known as "Break Free" • is pneumatically operated. In use, its brush is made to slide back and forth through the put-35 gun. The system is open, so it is not * * '' suitable for use with volatile or gaseous blades. ·· with antistatic chemicals. The machine's hoses follow the 3 114240 system brushes as it moves through the cannon barrel. This system is also mainly intended for use in workshop conditions as it requires a separate power source.

The known pneumatic and hydraulic cleaning systems are not suitable, for example, for carrying out the process according to patent application FI 20002621. They are also heavy in hardware and cannot be used in field conditions, for example.

The object of the invention is to eliminate the above-mentioned drawbacks. In particular, it is an object of the invention to provide a new and improved device for cleaning a barrel of a firearm. It is a further object of the invention to provide a device that is compact, fast 15 and easy to use and suitable for cleaning all types of firearm pipes and barrels in both workshop and field conditions.

The device according to the invention is characterized by what is claimed.

The invention is based on an apparatus for cleaning a barrel of a firearm, comprising end fitting seals at both ends of the barrel and a reciprocating mechanical cleaning member placed in the firing barrel. According to the invention, the cleaning element comprises a core sleeve smaller than the caliber of the pipe and a brush, which is freely rotatable around the core sleeve and dimensioned according to the caliber of the pipe. a part, and a traction device dimensioned in accordance with the length of the fire tube, which passes through the opening of the core sleeve and to which the core sleeve and / or the brush part is fixed.

... · A firearm in this context is any weapon of any size that is used to shoot. The firearm may be, for example, a handgun, trolley, 35 cannon, some kind of launcher or the like.

V * In one embodiment of the invention, the drive means is a toothed belt arranged to pass around a pulley mounted on each of the 4 114240 end pieces. The belt wheels can be used to adjust and tighten the toothed belt, for example. In one embodiment, the shaft of the second pulley is a drive shaft coupled via a gearbox 5 to an electric motor rotating in both directions to receive motion energy.

In one embodiment of the invention, at least one end member has an adjusting mechanism for changing the position of the pulley mounted thereon in the direction of the fire pipe 10.

In one embodiment of the invention, the core sleeve and / or brush member is secured to one track of the drive device, preferably to the other track of the toothed belt.

In one embodiment of the invention, fastening means are provided at both ends of the core sleeve 15 to enable it to be fastened to the respective quick-mounting means of the drive device. In a preferred embodiment, fastening means are provided at both ends of the toothed belt to which fastening means 20 of the core sleeve can be fastened.

In one embodiment of the invention, the brush part is replaceable.

· / · {In one embodiment of the invention, an eccentrically extending fixing plate is attached to the core sleeve ···. 25 together forming an eccentric structure.

A: In one embodiment, the core sleeve is non-centered in structure with a larger wall thickness on one side ....

In one embodiment of the invention, at least one end piece includes at least one means for feeding cleaning chemicals into the pipe, for removing cleaning debris from the pipe, for flushing the pipe, and / or for drying. In one embodiment, the end piece of the pipe leaving end comprises at least one • 35 inlet for feeding cleaning chemicals into the pipe and • at least one outlet for removing cleaning residues from the pipe.

114240 As used herein, the term "assembly" refers to any means through which chemicals, air, gases, liquids, etc. may be introduced into the pipe. The assembly may preferably be, for example, a valve or valve series.

In one embodiment of the invention, the device comprises a portable control unit which is provided with logistics programs for different cleaning steps of pipes of different sizes. By means of the control unit and its programs 10, the device independently performs the various steps of cleaning the barrel of the firearm, if desired, up to final greasing. The control unit can adjust and change the program for cleaning the firearm barrel either before or during the cleaning event as required.

Problems with known devices can be overcome by the device of the invention, which is further applicable to carrying out processes using, for example, liquid, foam or gaseous cleaning chemicals as cleaning chemicals.

Any desired or known cleaning chemicals can be used in the device.

• φ *: The size of the device is so small that it fits in two suitcases, one for one person. ·: 25 notebooks.

* »

The unit performs independently and automatically * · · ... throughout the cleaning process with the help of its control unit ···. la. With its control unit, the device can also self-* * end carry out grease storage. Alternatively. Alternatively, the device can be operated by hand when necessary, for example, by placing the crank on the • * · ··· * shaft of the pulley. This is a major advantage over state-of-the-art *: ··· solutions that remain completely operational; · · *: invalid unless an external power source is available.

Due to the invention, the size of the firing barrel '· * ·' cleaning process can be accomplished significantly more than with known devices, most preferably in about 0.5 to 1 hour.

The device according to the invention is simple in construction and thus advantageous.

An advantage of the invention is that no chemicals or other waste is released into the environment during the cleaning process.

The device according to the invention is suitable for cleaning pipes of different and different sizes of firearms, for example for cleaning small-caliber firearms, cannons or projectiles.

The invention will now be described, by way of example, with reference to the accompanying drawings, in which Figs. 1a and Ib illustrate a side and top view of an embodiment of a cleaning device according to the invention. Figures 2a and 2b show an enlarged view of a latching end and a toothed strap and viewed from above, *. Figures 3a and 3b show an enlarged view of the outlet end of a fire pipe of a device according to the invention. Figure 4 is a side and top view of 25 adjustable end pieces showing a device in accordance with the invention. and Fig. 5 illustrates an embodiment of a core sleeve of a device 30 according to the invention.

• · · «·

Figures 1a-b, 2a-b and 3a-b show an embodiment of a cleaning device according to the invention for kerni-mechanical cleaning of a pipe. The device comprises a first end piece 1, which is sealed to the lock end 35 of the fire tube, consisting of an outer end flange 2 and a concentrically extending collar 3 extending in a concentric manner extending into the fire tube. is surrounded by sealing ring 4. The collar 3 with sealing rings 4 must be dimensioned according to the caliper of the fire tube so that the end piece 1 can seal the lu-5 end of the fire tube. On the inside of the collar 3 is mounted a fixing and adjusting fork 6 of the first pulley 5, which is adjustably movable by the fine adjustment screw 7 in the direction of the end piece 1 in the direction of the longitudinal axis of the fire pipe.

The device of Figures 1a-b, 2a-b and 3a-b further comprises a second end piece 8 to be sealed to the outlet end of the fire pipe and tightened by a collar. The end piece 8 comprises an end sleeve 9 sealingly tightened against the outlet end of the fire tube and a drive member 10 extending therefrom with its axial engagement therewith 10. The drive portion 10 comprises a longitudinal axis 12 of the fire tube and a tensioning pin 13 for mounting a second belt pulley 12 by means of a nut 15 provided with a handwheel 14 acting on the bar 11 along the drive part 10. The shaft 16 of the second pulley 12 is connected via a transmission to an electric motor (not shown) which can rotate in both directions. 1a-b and 3a-b in the pulleys 12; 25 is shown both in its basic position with the threaded rod 11 in its outermost position and as dashed lines in its inner * ·> ... j extreme position where the pulley 12 engages in some degree. ···, the end sleeves 9. The pulley 12 is moved to this extreme position cleaning. The device 30 is mounted in the fire pipe to be cleaned in such a way that · · (> <) that the means connecting the two end pieces 1 and 8 • · ·· 1 i.e. the cleaning element can be installed.

*: · 1: The device for cleaning the device of Figures 1a-b, 2a-b and 3a-b includes a toothed belt 17 which 35 is passed over the pulleys 5 and 12 of both end pieces 1 and 8. In addition, the cleaning member includes a rotatable core sleeve 21 and a freestanding rotating brush section 20 mounted thereon. The brush section 20, dimensioned according to the caliber of the tube, is mounted freely rotatable around the core sleeve 21. At each end of the toothed belt 17 there are fastening means 18 and 19 for fastening the core sleeve 21 and the brush part 20 to the toothed belt 17. The non-rotatable core sleeve 21 is provided with an eccentrically extending fastening plate 22 with fastening means 23 and 24 at both ends the attachment members 18 and 19 are secured. The fastening means may be any type of fastening means known per se, but are not described in further detail herein.

When the cleaning device 15 of Figures 1a-b, 2a-b and 3a-b is assembled, the toothed belt 17 is first pulled through the opening of the fire tube and non-rotatable core sleeve 21 on the larger mounting hole 22, over. Thereafter, the fastening members 18 and 19 at the ends of the toothed belt 17 are fastened to the respective quick-attaching members 23 and 24 of the core sleeve 21 so that the core sleeve 21 and the brush portion 21 are movable. The eccentric »♦« * 25 structure formed by the core-> ·· sleeve 21 and the mounting plate 22 ensures that the core-sleeve 21 remains rotatable. unmolested during the 20 sweeping movements of the brush section in the tube »* *! despite the twisted grooves in place. The non-rotatability of the core sleeve 21 can also be ensured by arranging the core sleeve itself to be eccentric so that its wall thickness is greater on one side so that the sleeve in question half the effect of the higher weight »* * * Μιϊ always tends to depend on the direction of gravity (Fig. 5). Rotating, cylindrical brush part * ·. 25, whose bristles are comparatively soft or in which. 35 applications are short and stiff, interchangeable.

When the core sleeve 21, and thus also the brush part 20, is attached to the toothed belt 17, the end pieces 1 and 8 are tightened in place against the ends of the cannon barrel by rotating the handwheel 14 so that the threaded rod 11 and the pulley 12 moves to its outer position, whereby sufficient tension on the timing belt 17 is achieved. The drive shaft 16 of the pulley 12 is then inserted to lock the pulley 12 in the operating position.

The device of Figures 1a-b, 2a-b and 3a-b further includes valves 9a and 9b for feeding cleaning chemicals to the firebox for cleaning and for removing cleaning residues from the firebox. The valves may be single valves or a series of valves that include parallel valves. The gaseous, liquid, and / or foamable chemicals required for the purification step can be introduced into the firebox, e.g., from pressurized tanks through valve connections 9a at the end member 8. Residues removed from the walls of the fire tube cannot be removed from the fire tube through the outlet port 9b of the end piece 8, e.g., through a closed passage to a collection vessel. Chemicals Inlet Valves 9a and • #. the cleaning residue discharge valves 9b are located in the end sleeve 9 or in the operating part 10, e.g. In addition, the unit may include separate flushing and drying flushes for flushing and drying the firebox. The flushing and drying fittings may have been located in a convenient location, either in connection with the device of the invention or with a fire pipe. The valves and fittings are combined with an automatic control system that operates by the desired software filter, ··, during the cleaning process.

The device according to the invention further comprises a portable control unit (Fig. 4), in which logistic programs are provided for the various purification steps of different sized fire pipes. The control unit's operating p: panel can be used to activate the desired program to execute the cleaning operation and further modify the operating parameters or program as needed during or between the cleaning process or to interrupt the program at any time. Thus, the tube can be checked at intervals. The device 5 according to the invention performs independently of the cleaning process by means of a control unit to achieve the desired result.

All phases of the cleaning process, ie the amount of cleaning chemicals to be fed into the fire tube, their dwell times in the fire tube, the reciprocal brush movement in the fire tube, ie the extent and duration of the fire tube, its speed and duration, flushing controlled by caliber-specific logistics programs. In addition, caliber-specific programs are adjustable to focus on problems of this type of fire tube. The fire pipes may, for example, become more strongly coppered at some points 20, whereby the movement of the cleaning brush cannot be programmed so that the brush moves more than once such a problem. . over the point where the metal * t 'j sounds have accumulated more strongly.

• · · ·· «· The control unit can be used to activate, for example, the following: * 25 scraper type program to clean the fire pipe.

· ·, * ·· First, the cleaning process is started and *: · *: cleaning chemicals are fed into the fire pipe via vent connections 9a. The electric motor coupled to the pulley 12 shaft 16 via a transmission starts and moves 30 brushes 20 back and forth in the fire tube according to the instructions given by the control unit. The speed of movement of the brush 20 in the fixture can be varied by changing the transmission "·" ·. The cleaning program programmed on the control unit indicates that the brush 20 will change its direction of movement whenever, ···, 35 brushes at one end of the fixture. at one end of the end piece 1 and at the other end • · · '' arrives at the end sleeve 9 of the end piece 8. The program also causes the brush to move several times back and forth according to program defined cycles and times over the problem point (s) After the cleaning / brushing portion, the debris cleaned from the walls of the firebox is removed from the firebox via the outlet 9b, after which, if desired, the firebox is rinsed and dried. via the feed inlet 9a or through a separate flushing outlet, residues from the flushing can be removed, for example, through the outlet 9b. The drying may be carried out, for example, with compressed air or with a drying liquid 15 or the like, which is introduced into the firebox, e.g., through a valve mounted at the lock end of the firebox or directly through the lock head. Prior to removal of the end pieces 1 and 8, the fire tube may be further inspected, e.g., by an endoscope, after which the purge program may have carried out stock greasing, unless the hot tube in question is immediately taken into use for cleaning. . after that. Stock greasing can be done automatically * / via a program, eg via the chemical inlet ··· '9a.

In the apparatus 1a-b, 2a-b and 3a-b for controlling the movement of the brush ·. "·· 20 in the fire tube, a pulse sensor 16a can be mounted on the drive shaft 16 of the pulley 12, for example 100 pulses per revolution.

• · ·

Said pulse sensor 16a cooperates with an inductive sensor 9c mounted in the end-30 sleeve 9,

«I

which is arranged to command the control unit when the metal tip 20a mounted on the brush 20 comes into contact with it. Thereby a predetermined program is started which can adjust the direction of the brush 20 or the length of movement 35 anywhere in the pipe, as follows. cycles and time programming.

12 114240

Alternatively, the movement of the freely rotating brush in the fire tube may be effected, for example, by vibration technology, thread technology, ball screw technology, wire or the like.

5 The device is designed to operate, for example, at 230V, 110V or 12-24V from the vehicle, providing power under all conditions, or alternatively with full manual operation. The device is easily movable due to its size and weight. The Ko-10 device fits in two suitcases that are portable for one person. The control unit is in a small briefcase and can be activated with various switches or control panel programs for different calibers and tube lengths. Because the control unit 15 is in a separate portable briefcase that can be removed from the unit after cleaning operations, which is a kind of safety factor especially in crisis situations.

The purifier valves may be electrically controlled, laser or radio controlled, with no wires between the control unit and the valves. , need.

• 1 · If gas is used as the cleaning chemical only, the gas remaining after purging the fire pipe: '. · 25 can be returned to a pressurized storage tank, for example by pumping. If the fire pipe is to be *: · 1: supplied with a vacuum, the device also includes a vacuum pump that can be connected to the fire pipe, which can be • connected to the receiving tank for 1 residue.

In the device according to the invention, the ends of the fire pipe • · ... are closed by means of • 1 end pieces dimensioned according to its caliber, which can be tightly closed to close both end openings of the fire pipe in question. The holes in the flame arrestor may possibly be .1. 35 closure with a separate collar. The end pieces hold-. 13 · 114240 end pieces can be connected to one another by means of a cleaning means drawn through a fire tube or by a separate means. In a device for small caliber firearms barrels, the end pieces Kiris-5 are mounted around both ends of the firing tube and the cleaning brush may be manually operated with a shaft pulled through the sealing sleeve in the end piece, which also has a plurality of cleaning chemicals 10 Removal of rotten debris.

The cleaning device according to the invention is suitable for various applications for cleaning firearms of different sizes and sizes at an efficient and lower cost. In principle, one device is capable of cleaning all 15 of the same type of firearms, such as cannons, by adding only suitable adapters per caliber.

The embodiments of the invention are not limited to the examples shown, but may vary within the scope of the appended claims.

«· • · 1 · I i, • · ·» |

Claims (12)

114240 Apparatus for cleaning a barrel of a firearm, comprising end fittings (1,8) fitting at each end of the barrel and a reciprocating mechanical cleaning member mounted on the fire barrel, characterized in that the cleaning member comprises a lower sleeve (21) and a core sleeve. a brush part (20) 10 freely rotatably dimensioned according to the caliber of the tube, and a traction device (5,12,17), dimensioned according to the length of the fire tube and connected in turn to the end piece and to the core sleeve (21) and / or the brush part (20) is attached. Device according to Claim 1, characterized in that the drive device is a toothed belt (17) arranged to pass around a pulley (5,12) mounted on each end piece (1,8). Device according to Claim 2, characterized in that the shaft of the second pulley (5,12) »· · is a drive shaft (16) which transmits the gearbox; it is connected to a reversible electric motor »♦ • · *. * · *: 25 Device according to Claim 2 or 3, characterized in that at least one end piece (1,8) has an adjusting mechanism for changing the position of the pulley (5,12) mounted thereon in the direction of the fire pipe. *. 30 Device according to one of Claims 1 to 4, characterized in that the core sleeve (21) and / or the brush part (20) is attached to a second track of the drive device (17). ; ·. Device according to one of Claims 1 to 5, characterized in that at each end of the core sleeve (21) there are provided fastening means 114240 (23.24), by means of which it can be fastened to the corresponding fastening means (18,19) of the drive device (17). Apparatus according to claim 2 or 6, characterized in that at each end of the toothed belt (17) there are provided fastening means (18,19), to which the fastening means (23.24) of the core sleeve (21) can be fastened. Device according to one of Claims 1 to 7, characterized in that the brush part (20) is interchangeable. Device according to one of Claims 1 to 8, characterized in that an eccentrically extending fastening plate (22) is attached to the core sleeve (21), whereby they form an eccentric structure. Device according to one of Claims 1 to 9, characterized in that the core sleeve (21) is eccentric in structure with a larger wall thickness on one side. Device according to one of Claims 1 to 10, characterized in that at least one end piece (1,8) comprises at least one of the following: * (9a, 9b) for supplying cleaning chemicals to the tube,; i To remove cleaning debris from the tube, to rinse and / or dry the tube: * 25. A device according to any one of claims 1 to 11, characterized in that the device comprises a portable control unit which is provided with logistics programs for cleaning various pipes of different sizes; 30 steps. : · * · »» »T» * · • · 114240