EP0749784A1 - Device for the distribution of pasty products, such as plasters or mortars, particularly for building works - Google Patents
Device for the distribution of pasty products, such as plasters or mortars, particularly for building works Download PDFInfo
- Publication number
- EP0749784A1 EP0749784A1 EP96107740A EP96107740A EP0749784A1 EP 0749784 A1 EP0749784 A1 EP 0749784A1 EP 96107740 A EP96107740 A EP 96107740A EP 96107740 A EP96107740 A EP 96107740A EP 0749784 A1 EP0749784 A1 EP 0749784A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- nozzle
- container
- cone
- roughly
- product
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B7/00—Spraying apparatus for discharge of liquids or other fluent materials from two or more sources, e.g. of liquid and air, of powder and gas
- B05B7/14—Spraying apparatus for discharge of liquids or other fluent materials from two or more sources, e.g. of liquid and air, of powder and gas designed for spraying particulate materials
- B05B7/1404—Arrangements for supplying particulate material
- B05B7/1413—Apparatus to be carried on or by a person, e.g. by hand; Apparatus comprising a container fixed to the discharge device
- B05B7/1418—Apparatus to be carried on or by a person, e.g. by hand; Apparatus comprising a container fixed to the discharge device comprising means for supplying an additional liquid
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28C—PREPARING CLAY; PRODUCING MIXTURES CONTAINING CLAY OR CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28C7/00—Controlling the operation of apparatus for producing mixtures of clay or cement with other substances; Supplying or proportioning the ingredients for mixing clay or cement with other substances; Discharging the mixture
- B28C7/16—Discharge means, e.g. with intermediate storage of fresh concrete
- B28C7/162—Discharge means, e.g. with intermediate storage of fresh concrete by means of conveyors, other than those comprising skips or containers, e.g. endless belts, screws, air under pressure
- B28C7/163—Discharge means, e.g. with intermediate storage of fresh concrete by means of conveyors, other than those comprising skips or containers, e.g. endless belts, screws, air under pressure using a pump
- B28C7/165—Discharge means, e.g. with intermediate storage of fresh concrete by means of conveyors, other than those comprising skips or containers, e.g. endless belts, screws, air under pressure using a pump using a fluid, e.g. gas
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
- E04F21/00—Implements for finishing work on buildings
- E04F21/02—Implements for finishing work on buildings for applying plasticised masses to surfaces, e.g. plastering walls
- E04F21/06—Implements for applying plaster, insulating material, or the like
- E04F21/08—Mechanical implements
- E04F21/12—Mechanical implements acting by gas pressure, e.g. steam pressure
Definitions
- the invention relates to a device of considerably simplified construction and of great reliability, for the distribution of pasty products, such as plasters or mortars, which are used for example in the building industry for plastering walls and floors.
- plasters or mortars which are used for example in the building industry for plastering walls and floors.
- the device according to the invention comprises a container for the pasty product to be distributed and from which the product is delivered through a lower tapered nozzle and by means of a compressed-air ejector.
- the device comprises a container 1, for example with a capacity of roughly 4-5 litres, open at the top,and provided sidewise with a handle 2.
- the container 1 is formed at its bottom with a conical extension 101, the axis of which is for example inclined at roughly 120° with respect to the vertical axis of the container 1.
- the extension 101 ends in a nozzle 3 of the desired width.
- the conical extension 101 will be referred to using the simplified term "cone”.
- the container 1 has an essentially round upper mouth 201 and ends at the bottom in an essentially elliptical shape 301, to which the cone 101 is connected.
- the mouth 201 of the container 1 is inclined, with the top part located at the portion diametrically opposed to the handle 2 to avoid leaks of product from the container during the plastering of horizontal surfaces, for which the device requires a relative forward inclination.
- the operator controls the device by holding it with one hand by the cone 101 and with the other hand by the handle 2, on which a valve means 4 is mounted, connected by means of a flexible pipe 5 to a source of compressed air, for example to a compressor.
- the valve means 4 can be opened and closed by means of a control 104 which is connected to a metal pipe 6 of suitable section which is orientated downwards and, with a small S-shaped bend 106, enters the cone 101 laterally through a hole 7 and an associated lateral sealing plug 8.
- the end part of the pipe 6 which is inside the cone 101 forms an ejection nozzle 206 which is orientated towards the nozzle 3, at a suitable distance D from it, and which is essentially on the axis of the cone 101.
- Height of the container 1 roughly 26 cm. Width of the mouth 201 roughly 15 cm. Size of the base 301 roughly 15x10 cm. Average length of the cone 101 roughly 20 cm. Width of the nozzle 3 roughly 2 cm. Distance D roughly 5-6 cm. Internal diameter of the pipe 6 roughly 4 mm. Pressure of air fed to the valve means 4 preferably not less than 2 atm., for example roughly of the order of 3-5 atm.
- the device designed in this way functions in the following manner.
- the pasty product which is admitted into the container 1-101 has a density such that it uniformly fills the volume employed.
- the valve means 4 opens and a jet of air emerges from the nozzle 206 of the pipe 6, which finds least resistance in the direction of the nozzle 3 and which therefore pushes the product in front to emerge from said nozzle.
- the jet of air is continuous, the flow of the pasty product which emerges from the nozzle 3 is also continuous, as the product upstream of the nozzle 206 flows continuously downwards on account of its own weight and especially as a result of the cavitation created by the product itself which emerges from the nozzle 3.
- the operator will act to position and slide the nozzle 3 of the device in the channels of the pavement or of the wall to be plastered and the same operator will periodically act to resupply the container 1 with product.
- the device can be equipped with a shoulder strap (not shown) to avoid the weight of the assembly bearing completely on the arms of the operator, in particular during wall plastering operations.
- the same device can furthermore, during operations to plaster horizontal surfaces, be mounted via suitable articulations on a small trolley or on a slide which rest and slide on the pavement to be plastered.
- the nozzle 10 is narrower than that 3 and is further away from the ejection nozzle 206 and since the thrust of the air delivered by this nozzle would no longer be capable of ensuring the correct delivery of the product from said nozzle, there is the possibility of removing the pipe 6 from the valve means 4, of pulling it out of the plug 8 and of replacing it with another pipe of appropriate dimensions (in both length and section), in which the ejection nozzle 13 is located in the position necessary to ensure the correct delivery of product from the new nozzle 10.
- Figure 3 illustrates an alternative embodiment according to which the cone 101 ends, immediately upstream of the nozzle 206 of the pipe 6, with a flange 14 to which it is possible to fix a complementary flange 15 of a suitable spout 16, these flanges being arranged for removable mutual joining, for example with a bayonet connection, so that the same spout 16 can be replaced with other spouts having a nozzle 17 with a suitable section depending on the particular application and so as to allow easy cleaning of said nozzle each time the device is used.
Abstract
Description
- The invention relates to a device of considerably simplified construction and of great reliability, for the distribution of pasty products, such as plasters or mortars, which are used for example in the building industry for plastering walls and floors. With the device concering to the invention, the plastering operations are carried out with reduced physical fatigue on the part of the operator, with high-quality results and in times which are more than halved in relation to those required using the known art.
- The device according to the invention comprises a container for the pasty product to be distributed and from which the product is delivered through a lower tapered nozzle and by means of a compressed-air ejector.
- Major characteristics of the invention and the advantages deriving therefrom will appear from the following description of a preferred embodiment of the same, illustrated by way of non-limiting example in the figures of the single attached plate of drawing, in which:
- Fig. 1 is an elevational side view of the device with parts in section,
- Fig. 2 illustrates the device in plan view,
- Fig. 3 illustrates a modified embodiment of the delivery nozzle of the device.
- With reference to Figures 1 and 2, the device comprises a
container 1, for example with a capacity of roughly 4-5 litres, open at the top,and provided sidewise with a handle 2.Thecontainer 1 is formed at its bottom with aconical extension 101, the axis of which is for example inclined at roughly 120° with respect to the vertical axis of thecontainer 1. Theextension 101 ends in anozzle 3 of the desired width. In the remainder of the description, theconical extension 101 will be referred to using the simplified term "cone". - In the example illustrated in the drawings, the
container 1 has an essentially roundupper mouth 201 and ends at the bottom in an essentiallyelliptical shape 301, to which thecone 101 is connected. Themouth 201 of thecontainer 1 is inclined, with the top part located at the portion diametrically opposed to thehandle 2 to avoid leaks of product from the container during the plastering of horizontal surfaces, for which the device requires a relative forward inclination. - The operator controls the device by holding it with one hand by the
cone 101 and with the other hand by thehandle 2, on which a valve means 4 is mounted, connected by means of aflexible pipe 5 to a source of compressed air, for example to a compressor. The valve means 4 can be opened and closed by means of acontrol 104 which is connected to ametal pipe 6 of suitable section which is orientated downwards and, with a small S-shaped bend 106, enters thecone 101 laterally through a hole 7 and an associatedlateral sealing plug 8. - The end part of the
pipe 6 which is inside thecone 101 forms anejection nozzle 206 which is orientated towards thenozzle 3, at a suitable distance D from it, and which is essentially on the axis of thecone 101. - Purely by way of non-limiting example, it emerges that good results have been achieved with a device dimensioned as follows:
- Height of the
container 1 roughly 26 cm. Width of themouth 201 roughly 15 cm. Size of thebase 301 roughly 15x10 cm. Average length of thecone 101 roughly 20 cm. Width of thenozzle 3 roughly 2 cm. Distance D roughly 5-6 cm. Internal diameter of thepipe 6 roughly 4 mm. Pressure of air fed to the valve means 4 preferably not less than 2 atm., for example roughly of the order of 3-5 atm. - The device designed in this way functions in the following manner. The pasty product which is admitted into the container 1-101 has a density such that it uniformly fills the volume employed. By acting on the
control 104, the valve means 4 opens and a jet of air emerges from thenozzle 206 of thepipe 6, which finds least resistance in the direction of thenozzle 3 and which therefore pushes the product in front to emerge from said nozzle. If the jet of air is continuous, the flow of the pasty product which emerges from thenozzle 3 is also continuous, as the product upstream of thenozzle 206 flows continuously downwards on account of its own weight and especially as a result of the cavitation created by the product itself which emerges from thenozzle 3. The operator will act to position and slide thenozzle 3 of the device in the channels of the pavement or of the wall to be plastered and the same operator will periodically act to resupply thecontainer 1 with product. - It is also possible for the device to be equipped with a shoulder strap (not shown) to avoid the weight of the assembly bearing completely on the arms of the operator, in particular during wall plastering operations. The same device can furthermore, during operations to plaster horizontal surfaces, be mounted via suitable articulations on a small trolley or on a slide which rest and slide on the pavement to be plastered.
- For the delivery of a flow of product with a smaller section than that which emerges from the
nozzle 3, particularly for the plastering of gaps in pavements, there is the possibility of introducing onto the end part of the cone 101 aspout 9 which ends at thenozzle 10 of the desired section, which is equipped with alug 11 capable of being fixed with a screw or other means to acorresponding lug 12 which is integral with the cone itself. Since thenozzle 10 is narrower than that 3 and is further away from theejection nozzle 206 and since the thrust of the air delivered by this nozzle would no longer be capable of ensuring the correct delivery of the product from said nozzle, there is the possibility of removing thepipe 6 from the valve means 4, of pulling it out of theplug 8 and of replacing it with another pipe of appropriate dimensions (in both length and section), in which theejection nozzle 13 is located in the position necessary to ensure the correct delivery of product from thenew nozzle 10. - The fact that the pipes for supplying the compressed air (6) can be removed means that the device can be thoroughly cleaned after every use.
- Figure 3 illustrates an alternative embodiment according to which the
cone 101 ends, immediately upstream of thenozzle 206 of thepipe 6, with aflange 14 to which it is possible to fix acomplementary flange 15 of asuitable spout 16, these flanges being arranged for removable mutual joining, for example with a bayonet connection, so that thesame spout 16 can be replaced with other spouts having anozzle 17 with a suitable section depending on the particular application and so as to allow easy cleaning of said nozzle each time the device is used.
Claims (12)
- Device for the distribution of pasty products, such as mortars and plasters, particularly for building works, characterized in that it comprises:- a container (1) provided with one upper opening (201) and equipped at the bottom with an oblique extension cone (101) which ends in a nozzle (3) for the delivery of the product;- at least one handle (2) on said container to support it and guide it during use;- an ejection nozzle (206) located axially inside said cone (101), orientated in the direction of the discharge nozzle (3) of the device, positioned at a suitable distance from this nozzle and connected to a pipe (6) which is in turn connected to a source for delivery of air at a suitable pressure, through a valve means (4) arranged, so as to be actuated by the operator, the whole being provided to ensure that the jet of compressed air delivered on command from said nozzle encounters the least resistance to emerging from the delivery nozzle of the device, bringing about the emergence from this of a continuous flow of product while, through the effect of the cavitation created by said flow and of gravity, other product is drawn from the container.
- Device according to Claim 1, in which the container (1) has an essentially round upper mouth (201) and ends at the bottom in an elliptical mouth (301) which is orientated with its larger dimension in the direction of the length of the device and to which the cone (101) is connected, which ends in the tapered nozzle (3) for delivery of the product, while the handle (2) of the same device is located in the intermediate and rear part of the container, opposite said cone.
- Device according to Claim 1, in which the axis of the cone (101) forms an angle of roughly 120° in relation to the axis of the container (1).
- Device according to Claim 1, in which the container (1) has a height of roughly 26 cm, a width greater than roughly 15 cm, has an ellipsoidal lower shape of roughly 15x10 cm and ends in a cone (101) with an average length of roughly 20 cm equipped with a nozzle (3) with a width of roughly 2 cm, provision being made for the ejector (206) to have an internal diameter of roughly 4 mm, to be supplied with a pressure of the order of 2-5 atm. and to be roughly 5-6 cm from said nozzle (3).
- Device according to Claim 1, in which the upper nozzle (201) of the container (1) has an inclined outline, with the top part diametrically opposed to the handle (2), so as to avoid said product overflowing from the container when the device is used with a slight forward inclination, particularly during the plastering of horizontal surfaces.
- Device according to the preceding claims, in which the valve means (4) which shuts off the compressed air which, through said pipe (6), emerges from the ejection nozzle (206), is located on the handle (2) of said device and bears a coupling for connection to a flexible pipe (5) for connection to the source of compressed air.
- Device according to the preceding claims, in which the ejection nozzle (206) constitutes the end part of a rigid pipe (6), for example of a small metal tube, which enters the cone (101) of the device via an S-bend (106) through a lateral hole (7) and an associated sealing plug (8) and which is removably connected by its other end to the valve means (4) mounted on the handle (2).
- Device according to the preceding claims, in which means are provided for varying the section of the nozzle (3) for discharge of the pasty product from said device, for the purpose of adapting it to the various requirements of use of said device.
- Device according to Claim 8, characterized in that it is provided with at least one auxiliary spout (9) with a narrow delivery nozzle (10), which can be introduced onto the nozzle of the base cone (101) of the container and which, with an endpiece (11) of its own and with screws or other means, is fixed to a corresponding endpiece (12) of said cone, the device also being equipped with an auxiliary pipe for air supply, of suitable length and section, which replaces the existing one (6) in such a manner that its own ejection nozzle (13) is in the correct position to ensure the emergence of the product from said spout.
- Device according to Claim 8, characterized in that the base cone (101) of the container ends, upstream of the nozzle (206) for delivery of the compressed air, with a flange (14) to which the flange (15) of a spout (16) is fixed by suitable removable joining means, for example with a bayonet connection, it being possible for this spout to be replaced with other spouts with which the device is equipped and which have a nozzle (17) with a suitable diameter depending on the particular application and/or can be removed whenever said nozzle (206) needs to be cleaned.
- Device according to Claim 1, characterized in that it may be equipped with a shoulder strap to facilitate use during wall plastering operations.
- Device according to Claim 1, characterized in that it is mounted by means of articulations on a small trolley or on a slide which rest on the ground and which facilitate the use of said device by the operator, in particular during pavement plastering operations .
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
IT95BO000310A IT1279955B1 (en) | 1995-06-19 | 1995-06-19 | DEVICE FOR THE DISTRIBUTION OF PASTY PRODUCTS, SUCH AS STUCCO OR MORTAR, PARTICULARLY FOR BUILDING WORK |
ITBO950310 | 1995-06-19 |
Publications (2)
Publication Number | Publication Date |
---|---|
EP0749784A1 true EP0749784A1 (en) | 1996-12-27 |
EP0749784B1 EP0749784B1 (en) | 2001-08-29 |
Family
ID=11340682
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP96107740A Expired - Lifetime EP0749784B1 (en) | 1995-06-19 | 1996-05-15 | Device for the distribution of pasty products, such as plasters or mortars, particularly for building works |
Country Status (4)
Country | Link |
---|---|
EP (1) | EP0749784B1 (en) |
AT (1) | ATE204790T1 (en) |
DE (1) | DE69614774T2 (en) |
IT (1) | IT1279955B1 (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN111093923A (en) * | 2017-09-19 | 2020-05-01 | 吉野石膏株式会社 | Slurry discharge pipe of mixer and slurry discharge method |
Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR1203437A (en) * | 1900-01-01 | |||
US1566325A (en) * | 1924-09-24 | 1925-12-22 | Ingersoll Rand Co | Mortar projector |
US2391048A (en) * | 1943-02-11 | 1945-12-18 | Spray Process Co Inc | Spraying device for divided solid materials |
DE811037C (en) * | 1946-09-11 | 1951-08-16 | Cement Gun Company Ltd | Spray device for cement and paint-like substances |
DE894761C (en) | 1950-07-08 | 1953-10-26 | Eduard Burbach | Spray device for ready-made mortar |
FR1114096A (en) | 1954-11-15 | 1956-04-09 | Apparatus for the projection of pasty materials such as cement and anaogue materials |
-
1995
- 1995-06-19 IT IT95BO000310A patent/IT1279955B1/en active IP Right Grant
-
1996
- 1996-05-15 AT AT96107740T patent/ATE204790T1/en not_active IP Right Cessation
- 1996-05-15 EP EP96107740A patent/EP0749784B1/en not_active Expired - Lifetime
- 1996-05-15 DE DE69614774T patent/DE69614774T2/en not_active Expired - Fee Related
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR1203437A (en) * | 1900-01-01 | |||
US1566325A (en) * | 1924-09-24 | 1925-12-22 | Ingersoll Rand Co | Mortar projector |
US2391048A (en) * | 1943-02-11 | 1945-12-18 | Spray Process Co Inc | Spraying device for divided solid materials |
DE811037C (en) * | 1946-09-11 | 1951-08-16 | Cement Gun Company Ltd | Spray device for cement and paint-like substances |
DE894761C (en) | 1950-07-08 | 1953-10-26 | Eduard Burbach | Spray device for ready-made mortar |
FR1114096A (en) | 1954-11-15 | 1956-04-09 | Apparatus for the projection of pasty materials such as cement and anaogue materials |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN111093923A (en) * | 2017-09-19 | 2020-05-01 | 吉野石膏株式会社 | Slurry discharge pipe of mixer and slurry discharge method |
CN111093923B (en) * | 2017-09-19 | 2021-07-09 | 吉野石膏株式会社 | Slurry discharge pipe of mixer and slurry discharge method |
Also Published As
Publication number | Publication date |
---|---|
DE69614774D1 (en) | 2001-10-04 |
ATE204790T1 (en) | 2001-09-15 |
EP0749784B1 (en) | 2001-08-29 |
IT1279955B1 (en) | 1997-12-23 |
ITBO950310A1 (en) | 1996-12-19 |
DE69614774T2 (en) | 2002-06-20 |
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