CA2024504A1 - Adhesive spreader - Google Patents
Adhesive spreaderInfo
- Publication number
- CA2024504A1 CA2024504A1 CA 2024504 CA2024504A CA2024504A1 CA 2024504 A1 CA2024504 A1 CA 2024504A1 CA 2024504 CA2024504 CA 2024504 CA 2024504 A CA2024504 A CA 2024504A CA 2024504 A1 CA2024504 A1 CA 2024504A1
- Authority
- CA
- Canada
- Prior art keywords
- shell portions
- tool
- viscous material
- neck portion
- nozzle
- 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.)
- Abandoned
Links
Landscapes
- Coating Apparatus (AREA)
Abstract
73545-2 SDB:hmb ABSTRACT
This invention provides a tool for dispensing and applying viscous material such as tar and adhesives. The tool can be disassembled for cleaning and reassembled for subsequent use.
This invention provides a tool for dispensing and applying viscous material such as tar and adhesives. The tool can be disassembled for cleaning and reassembled for subsequent use.
Description
73545-2 SDB:nmb This invention is directed to a tool for dispensing and applying viscous materials, such as tar, adhesives, caulking and the like to seams, panels or joints.
The present invention can be advantageously used in numerous ways, for example to dispense and spread adhesives onto tile, panelling, flooring, cove-base tiles and carpet seams. The present invention can also be used as a roofing tool for applying tar to roof flashings, vents and shingles.
In these kinds of operations, it is desirable that the viscous material be dispensed in a controlled manner and spread evenly across the surface. Otherwise, a tedious cleaning job is often required where too much, or an uneven amount of viscous material is deposited.
Known applicator tools are either blade-type or have nozzles through which the viscous material is extruded. With blade-type applicators, it is difficult to ensure an even dispensing and spreading of the viscous materiall although such applicators may be cleaned for re-use. On the other hand, nozzle type applicators may permit a more even dispensing and spreading of material, however, they are difficult to clean. Residue of the viscous material, such as tar or adhesive, sets inside the nozzle, and unless it is removed, the ability of the applicator to evenly dispense material during subsequent use is greatly diminished.
3~
73545-2 SDB:hmb The present invention overcomes these disadvantages by providing a tool which can evenly dispense viscous material to a surface and which is also relatively easy to clean, thereby enabling it to be re-usedO
In one aspect, the invention provides a tool for dispensing and applying a viscous material to a surface, said tool having a substantially wedge shaped body comprised of two shell portions fastened together, said body having an input at one end thereof, and a nozzle at the other end thereof through which viscous material may be extruded, wherein said tool can be disassembled for cleaning by separating said shell portions, and reassembled for re-use.
In another aspect, the invention provides a tool for dispensing and applying viscous material to a surface, comprising:
a substantially wedge shaped body having an input, a neck portion from which flares a pair of side walls, said side walls tapering to a nozzle, wherein said body is comprised of two shell portions detachably fastened together; and a collar which may be connected to a source of viscous material, and which is receivable on said neck portion of said body.
In a further aspect, the invention provides a tool for dispensing and applying viscous material which may be disassembled for cleaning and reassembled for re-use, comprising:
, 73545-2 SDB:hmb two hingedly connected shell portions which may be closed, in clamshell-like manner, to define a substantially wedge-shaped body having an input, a neck portion which flares to define a pair of side walls;
detachable fastening means for securing said shell portions together when said shell portions are closed t and a collar which is received at one end thereof by said neck portion, and which may be secured at the other end thereof to a source of viscous material.
. .
The invention will be more particularly described with reference to the accompanying drawings, which illustrate preferred embodiments of the invention.
Figure 1 is a front view of one embodiment of the present invention.
Figure ~ is a side view of the body of the present invention, with the collar shown in cross-section.
Figure 3 is a side view of a cross-section of the main body of the invention.
- . :
73545-2 SDB:hmb Figure 4 is an inside view of the body of one embodiment of the present invention.
Figure 5 is a perspective view of a collar, which is a component of the tool in a preferred embodiment of the invention.
Figure 6 is a schematic representation of showing the present invention assembled for use with a caulking gun.
The tool of the present invention consists of a substantially wedge shaped body 10, having a neck portion 11 with an input lla.
Neck portion 11 flares to form side walls 12 which further extend downwardly to form end walls 13 which are substantially parallel with the walls of neck portion 11. In side view, the sides of tool body 10, extend to bevelled areas 14, which taper to form nozzle 15. Viscous material is extruded through one or more apertures 16 in nozzle 15.
A collar 17 may be fitted onto neck 11 and onto the dispensing end of a cartridge, caulking gun or other source of viscous material, as shown in Figure 6. Collar 17 preferably has a locking means which acts to prevent accidental dislodgement of collar 17 from neck 11. A preferred locking means is a groove 18 on collar 17 which receives a projection 19 on body 10. By a slight twisting action, projection 19 can be made to engage groove 18 and abut a portion thereof as at 20, so that collar 17 can be ~2~
73545-2 SDB:hmb only removed by a twisting and lifting movement, thus minimizing the chance that collar 17 will be dislodged accidentally.
The interior of collar 17 preferably has a rim 21 which may tend to reduce any back flow of viscous material through the channel defined by neck portion 11 and collar 17.
Body 10 is comprised of two shell portions 23 and 24. Shell portions 23 and 24 are secured together along their respective edges or borders to form body 10. Shell portions 23 and 24 should be tightly sealed together at their boundary 25 so that there are no gaps through which viscous material can seep or leak when the tool is in use. It is important that shell portions 23 and 24 be securely fastened together because the walls of the body 10 may be subjected to considerable pressure when the tool is in use.
It has been found that the tool of the present invention is preferably made from plastic, and most preferably polypropylene, the properties of which promote smooth flow of viscous material, and which can also be easily cleaned.
In the preferred embodiment, as shown in figure 4, shell portions 23 and 24 are joined by one or more thin plastic membranes 39 which act as a hinge. In this embodiment, portions 23 and 24 may be closed, in clam-shell like manner, to form tool body 10. The advantage of this construction is that it enables 73545-2 SD~:hmb tool body lO to be constructed as a unitary piece, with resultant economy of manufacture. However, it is to be understood that the scope of the present invention also extends to a tool of the type described which is comprised of two shell portions 23 and 24 which are so not joined.
In a preferred embodiment, shell portion 23 features one or more tubular posts 26, and preferably 2 pairs of tubular posts, 26a and 26b. Posts 26a are oriented opposite each other relative to the line of symmetry of shell portion 23, as are posts 26b.
Shell portion 2g features posts 27a and 27b, whose locations on shell portion 24 mirror the locations of posts 26a and 26b on shell portion 23. Posts 27a and 27b have upstanding rods 28a and 28b and posts 26a, 26b have channels 29a and 29b. Shell portions 23 and 2g are joined to form body 10, by orienting posts 26a with posts 27a, and posts 26b with posts 27b so that rods 28a, 28b are received in channels 29a and 29b in order to form pillars 30a and 30b.
Pillars 30a, 30b retain shell portions 23 and 24 together.
Preferably four pillars will be provided; a pair near neck portion 11 where walls 12 begin to flare and a second pair near noz~le 15.
Due to the tapering of body 10, pillars 30b will be shorter than pillars 30a. Fastening means to ensure a tight seal which may be employed, as shown by the drawings, include screws 35 received through channels 29 and/or a groove 31 extending along the side of , . ~
The present invention can be advantageously used in numerous ways, for example to dispense and spread adhesives onto tile, panelling, flooring, cove-base tiles and carpet seams. The present invention can also be used as a roofing tool for applying tar to roof flashings, vents and shingles.
In these kinds of operations, it is desirable that the viscous material be dispensed in a controlled manner and spread evenly across the surface. Otherwise, a tedious cleaning job is often required where too much, or an uneven amount of viscous material is deposited.
Known applicator tools are either blade-type or have nozzles through which the viscous material is extruded. With blade-type applicators, it is difficult to ensure an even dispensing and spreading of the viscous materiall although such applicators may be cleaned for re-use. On the other hand, nozzle type applicators may permit a more even dispensing and spreading of material, however, they are difficult to clean. Residue of the viscous material, such as tar or adhesive, sets inside the nozzle, and unless it is removed, the ability of the applicator to evenly dispense material during subsequent use is greatly diminished.
3~
73545-2 SDB:hmb The present invention overcomes these disadvantages by providing a tool which can evenly dispense viscous material to a surface and which is also relatively easy to clean, thereby enabling it to be re-usedO
In one aspect, the invention provides a tool for dispensing and applying a viscous material to a surface, said tool having a substantially wedge shaped body comprised of two shell portions fastened together, said body having an input at one end thereof, and a nozzle at the other end thereof through which viscous material may be extruded, wherein said tool can be disassembled for cleaning by separating said shell portions, and reassembled for re-use.
In another aspect, the invention provides a tool for dispensing and applying viscous material to a surface, comprising:
a substantially wedge shaped body having an input, a neck portion from which flares a pair of side walls, said side walls tapering to a nozzle, wherein said body is comprised of two shell portions detachably fastened together; and a collar which may be connected to a source of viscous material, and which is receivable on said neck portion of said body.
In a further aspect, the invention provides a tool for dispensing and applying viscous material which may be disassembled for cleaning and reassembled for re-use, comprising:
, 73545-2 SDB:hmb two hingedly connected shell portions which may be closed, in clamshell-like manner, to define a substantially wedge-shaped body having an input, a neck portion which flares to define a pair of side walls;
detachable fastening means for securing said shell portions together when said shell portions are closed t and a collar which is received at one end thereof by said neck portion, and which may be secured at the other end thereof to a source of viscous material.
. .
The invention will be more particularly described with reference to the accompanying drawings, which illustrate preferred embodiments of the invention.
Figure 1 is a front view of one embodiment of the present invention.
Figure ~ is a side view of the body of the present invention, with the collar shown in cross-section.
Figure 3 is a side view of a cross-section of the main body of the invention.
- . :
73545-2 SDB:hmb Figure 4 is an inside view of the body of one embodiment of the present invention.
Figure 5 is a perspective view of a collar, which is a component of the tool in a preferred embodiment of the invention.
Figure 6 is a schematic representation of showing the present invention assembled for use with a caulking gun.
The tool of the present invention consists of a substantially wedge shaped body 10, having a neck portion 11 with an input lla.
Neck portion 11 flares to form side walls 12 which further extend downwardly to form end walls 13 which are substantially parallel with the walls of neck portion 11. In side view, the sides of tool body 10, extend to bevelled areas 14, which taper to form nozzle 15. Viscous material is extruded through one or more apertures 16 in nozzle 15.
A collar 17 may be fitted onto neck 11 and onto the dispensing end of a cartridge, caulking gun or other source of viscous material, as shown in Figure 6. Collar 17 preferably has a locking means which acts to prevent accidental dislodgement of collar 17 from neck 11. A preferred locking means is a groove 18 on collar 17 which receives a projection 19 on body 10. By a slight twisting action, projection 19 can be made to engage groove 18 and abut a portion thereof as at 20, so that collar 17 can be ~2~
73545-2 SDB:hmb only removed by a twisting and lifting movement, thus minimizing the chance that collar 17 will be dislodged accidentally.
The interior of collar 17 preferably has a rim 21 which may tend to reduce any back flow of viscous material through the channel defined by neck portion 11 and collar 17.
Body 10 is comprised of two shell portions 23 and 24. Shell portions 23 and 24 are secured together along their respective edges or borders to form body 10. Shell portions 23 and 24 should be tightly sealed together at their boundary 25 so that there are no gaps through which viscous material can seep or leak when the tool is in use. It is important that shell portions 23 and 24 be securely fastened together because the walls of the body 10 may be subjected to considerable pressure when the tool is in use.
It has been found that the tool of the present invention is preferably made from plastic, and most preferably polypropylene, the properties of which promote smooth flow of viscous material, and which can also be easily cleaned.
In the preferred embodiment, as shown in figure 4, shell portions 23 and 24 are joined by one or more thin plastic membranes 39 which act as a hinge. In this embodiment, portions 23 and 24 may be closed, in clam-shell like manner, to form tool body 10. The advantage of this construction is that it enables 73545-2 SD~:hmb tool body lO to be constructed as a unitary piece, with resultant economy of manufacture. However, it is to be understood that the scope of the present invention also extends to a tool of the type described which is comprised of two shell portions 23 and 24 which are so not joined.
In a preferred embodiment, shell portion 23 features one or more tubular posts 26, and preferably 2 pairs of tubular posts, 26a and 26b. Posts 26a are oriented opposite each other relative to the line of symmetry of shell portion 23, as are posts 26b.
Shell portion 2g features posts 27a and 27b, whose locations on shell portion 24 mirror the locations of posts 26a and 26b on shell portion 23. Posts 27a and 27b have upstanding rods 28a and 28b and posts 26a, 26b have channels 29a and 29b. Shell portions 23 and 2g are joined to form body 10, by orienting posts 26a with posts 27a, and posts 26b with posts 27b so that rods 28a, 28b are received in channels 29a and 29b in order to form pillars 30a and 30b.
Pillars 30a, 30b retain shell portions 23 and 24 together.
Preferably four pillars will be provided; a pair near neck portion 11 where walls 12 begin to flare and a second pair near noz~le 15.
Due to the tapering of body 10, pillars 30b will be shorter than pillars 30a. Fastening means to ensure a tight seal which may be employed, as shown by the drawings, include screws 35 received through channels 29 and/or a groove 31 extending along the side of , . ~
2 ~
73545-2 SDB:hm~
portion 23 and a reciprocal tongue 32 which extends along tne sides of portion 24, so that when shell portions 23 and 24 are joined together, tongue 32 snaps into groove 31. An additional inner wall or bank 40 may be featured to provide additional reinforcement to side walls 12 and protect against seepage of viscous material.
Additional fastening means, such as one or more brackets 33 located along the sides of either shell portion 23 or 24, and companion hooklike members 34 mounted along the side of the other of shell portions 23, 24 are also preferably used. When hooklike members 34 engage brackets 33, secure engagement of shell portions 23 and 24 is further ensured.
Collar 17, when fitted onto neck 11, also serves as an additional means of promoting tight engagement of shell portions 23 and 24 and a tight seal along the boundaries thereof.
When in use, viscous material from a cartridge or other source of supply, flows into input 12 and through the channel as defined by collar 17 and neck portion 11. The wedge shape of body 10 and the orientation of the walls thereof ensure an even flow of viscous material through body 10. Viscous material flows through neck portion 11, along the walls 12 and downwardly into a reservoir defined by bevelled areas 14, one of which has a lip portion 36 in nozzle 15. The viscous material is extruded evenly , ' 2'~
73545-2 SDe:hmb over lip portion 36 and through one or more apertures 16 in nozzle 15. Depending on the job being done, it may be preferred to have one wide strip of viscous material extruded, wherein nozzle 15 Aas a single oblong slot. Alternatively, where it is desired to extrude several narrow strips or beads of material, a plurality of apertures may be provided, as shown by Figure 4.
A tool featuring a nozzle with 11 apertures is most versatile and common since it can be used for many purposes.
The wedge shape of the present invention allows strips or beads of viscous material having varying thicknesses to be applied to a surface and also permits viscous material to be applied flush with the surface, which is advantageous where such material is being applied to e.gO corners. The thickness of the bead being applied to the surface will vary depending upon: the angle at which the nozzle meets the surface, the pressure applied, and the speed at which the nozzle is moved along the surface. By varying these three variables: speed, angle and pressure, the operator can control the thickness of bead of viscous material which is deposited on the surface. Accordingly, the viscous material which is deposited can vary from a 1/4 inch thick bead to a very thin strip of material. This is advantageous because different thicknesses of material are required for different applications and this permits the tool of the present invention to be used for many applications, e.g. cove base, carpet seams and edges, foam 3 ~
73545-2 SDs:hmb insulation board, parquet flooring, panelling, tub kits, ceramic tile, quarry tile, mirror tile, wood mouldings, wainscoting, flooring and many more.
If desired, a piece of duct tape may be placed over some of the apertures in the nozzle, and thereby allow the operator to control the number of beads of viscous material being extruded where viscous material is being applied to joists or studs. The duct tape may also seal the tool for future use while still mounted on the cartridge or caul~ing gun.
After use, the tool of the present invention can be cleaned for re-use, by removing collar 17 and separating shell portions 23 and 24 from each other. This enables the inside of the tool to be cleaned and residue removed, whereupon the tool can be reassembled for subsequent use.
,
73545-2 SDB:hm~
portion 23 and a reciprocal tongue 32 which extends along tne sides of portion 24, so that when shell portions 23 and 24 are joined together, tongue 32 snaps into groove 31. An additional inner wall or bank 40 may be featured to provide additional reinforcement to side walls 12 and protect against seepage of viscous material.
Additional fastening means, such as one or more brackets 33 located along the sides of either shell portion 23 or 24, and companion hooklike members 34 mounted along the side of the other of shell portions 23, 24 are also preferably used. When hooklike members 34 engage brackets 33, secure engagement of shell portions 23 and 24 is further ensured.
Collar 17, when fitted onto neck 11, also serves as an additional means of promoting tight engagement of shell portions 23 and 24 and a tight seal along the boundaries thereof.
When in use, viscous material from a cartridge or other source of supply, flows into input 12 and through the channel as defined by collar 17 and neck portion 11. The wedge shape of body 10 and the orientation of the walls thereof ensure an even flow of viscous material through body 10. Viscous material flows through neck portion 11, along the walls 12 and downwardly into a reservoir defined by bevelled areas 14, one of which has a lip portion 36 in nozzle 15. The viscous material is extruded evenly , ' 2'~
73545-2 SDe:hmb over lip portion 36 and through one or more apertures 16 in nozzle 15. Depending on the job being done, it may be preferred to have one wide strip of viscous material extruded, wherein nozzle 15 Aas a single oblong slot. Alternatively, where it is desired to extrude several narrow strips or beads of material, a plurality of apertures may be provided, as shown by Figure 4.
A tool featuring a nozzle with 11 apertures is most versatile and common since it can be used for many purposes.
The wedge shape of the present invention allows strips or beads of viscous material having varying thicknesses to be applied to a surface and also permits viscous material to be applied flush with the surface, which is advantageous where such material is being applied to e.gO corners. The thickness of the bead being applied to the surface will vary depending upon: the angle at which the nozzle meets the surface, the pressure applied, and the speed at which the nozzle is moved along the surface. By varying these three variables: speed, angle and pressure, the operator can control the thickness of bead of viscous material which is deposited on the surface. Accordingly, the viscous material which is deposited can vary from a 1/4 inch thick bead to a very thin strip of material. This is advantageous because different thicknesses of material are required for different applications and this permits the tool of the present invention to be used for many applications, e.g. cove base, carpet seams and edges, foam 3 ~
73545-2 SDs:hmb insulation board, parquet flooring, panelling, tub kits, ceramic tile, quarry tile, mirror tile, wood mouldings, wainscoting, flooring and many more.
If desired, a piece of duct tape may be placed over some of the apertures in the nozzle, and thereby allow the operator to control the number of beads of viscous material being extruded where viscous material is being applied to joists or studs. The duct tape may also seal the tool for future use while still mounted on the cartridge or caul~ing gun.
After use, the tool of the present invention can be cleaned for re-use, by removing collar 17 and separating shell portions 23 and 24 from each other. This enables the inside of the tool to be cleaned and residue removed, whereupon the tool can be reassembled for subsequent use.
,
Claims (13)
1. A tool for dispensing and applying viscous material to a surface, said tool having a substantially wedge shaped body comprised of two shell portions fastened together, said body having an input at one end thereof, and a nozzle at the other end thereof through which viscous material may be extruded, wherein said tool can be disassembled for cleaning by separating said shell portions, and reassembled for re-use.
2. A tool for dispensing and applying viscous material to a surface comprising: a substantially wedge shaped body having an input, a neck portion from which flares a pair of side walls, said side walls tapering to a nozzle, wherein said body is comprised of two shell portions detachably fastened together; and a collar, which may be connected to a source of viscous material, and which is receivable on said neck portion of said body.
3. A tool for dispensing and applying viscous material which may be disassembled for cleaning and reassembled for re-use, comprising:
two hingedly connected shell portions which may be closed, in clamshell-like manner, to define a substantially wedge-shaped body, said body having an input, a neck portion which flares to define a pair of side walls, and a nozzle;
detachable fastening means for securing said shell portions together when said shell portions are closed; and a collar which is received on said neck portion of said body, and which connects said body to a source of viscous material.
two hingedly connected shell portions which may be closed, in clamshell-like manner, to define a substantially wedge-shaped body, said body having an input, a neck portion which flares to define a pair of side walls, and a nozzle;
detachable fastening means for securing said shell portions together when said shell portions are closed; and a collar which is received on said neck portion of said body, and which connects said body to a source of viscous material.
4. A tool as claimed in claim 1 or 2 wherein said shell portions are fastened together by means of at least one pillar, said pillar being formed by a rod member in one of said shell portions being received by a channel in the other of said shell portions, and said rod is secured within said channel by screw means.
5. A tool as claimed in claim 3 wherein rod members in one of said shell portions are received by tubular posts in the other of said shell portions when said shell portions are closed, thereby forming pillars which act to retain said shell portions together in a closed position to form said body.
6. A tool as claimed in claim 3 wherein rod members in one of said shell portions are received by tubular posts in the other of said shell portions when said shell portions are closed, thereby forming pillars which act to retain said shell portions together in a closed position to form said body, and screws are employed as fastening means for securing said shell portions together.
7. A tool as claimed in claim 5 wherein said fastening means are screws.
8. A tool as claimed in claim 1,2,3,5,6 or 7 wherein one of said shell portions has a groove extending along the top edges of the sides of said neck portion and said side walls, and the other of said shell portions has a tongue extending along the top edges of the sides of said neck portion and said side walls, so that when said shell portions form said body, said tongue snaps into said groove.
9. A tool as claimed in claim 1,2,3,5,6 or 7 wherein hooklike members on one of said shell portions engage brackets on the other of said shell portions when said shell portions form said body.
10. A tool as claimed in claim 1,2,3,5,6 or 7 wherein said nozzle has a plurality of apertures.
11. A tool as claimed in claim 1 or 2 wherein said shell portions are connected to each other by hinge means.
12. A tool as claimed in claim 2,3,5,6 or 7 wherein said collar features locking means to prevent accidental dislodgement from said neck portion.
13. A tool as claimed in claim 1,2,3,5,6 or 7 which is made of polypropylene.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CA 2024504 CA2024504A1 (en) | 1990-08-31 | 1990-08-31 | Adhesive spreader |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CA 2024504 CA2024504A1 (en) | 1990-08-31 | 1990-08-31 | Adhesive spreader |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA2024504A1 true CA2024504A1 (en) | 1992-03-01 |
Family
ID=4145877
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA 2024504 Abandoned CA2024504A1 (en) | 1990-08-31 | 1990-08-31 | Adhesive spreader |
Country Status (1)
| Country | Link |
|---|---|
| CA (1) | CA2024504A1 (en) |
-
1990
- 1990-08-31 CA CA 2024504 patent/CA2024504A1/en not_active Abandoned
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| FZDE | Dead |