CN117813166A - Spray gun bottle and adapter for vehicle - Google Patents

Abstract

The present invention relates to an adapter for use with a spray gun. The first side of the adapter includes a base having a first surface and a second surface, a first friction fit interface protruding from the first surface, a second friction fit interface protruding from the second surface, and a central aperture.

Description

Spray gun bottle and adapter for vehicle

Priority file

The present application claims priority from U.S. patent application Ser. No. 17/359,020, 25 on application day 2021, 21 on application day 2021, 17/154,723, which claims priority from U.S. provisional patent application Ser. No. 62/964312, 22 on application day 2020. The disclosures of the above applications are incorporated herein by reference in their entirety.

Technical Field

The present invention relates to spray guns and more particularly to spray gun bottles and adapter systems for use with spray guns.

Background

In the automotive industry, mixing cups are used in combination with spray guns for automotive paint spraying. The mixing cup is connected to the spray gun with an adapter assembly for supplying liquid from the mixing cup to the feed port of the spray gun (often a gravity feed spray gun). The mixing cup is made up of several components and the assembly process itself of the mixing cup is very cumbersome, since several steps are required before the paint is sprayed on the vehicle.

In view of the above, there is a need in the automotive industry, for example, for a mixing cup alternative that can be used with a spray gun.

Disclosure of Invention

The present invention relates to a bottle having venting features for use with a spray gun and an adapter for attachment to the bottle and spray gun or other spray device, such as a conventional spray gun or a high-volume low-pressure (High Volume Low Pressure-HVLP) spray gun. The term "Spray Gun" as used herein generally refers to a Spray Gun or other Spray device and/or a universal fitting connected to a Spray Gun or other Spray device.

The present invention provides an adapter for use with a spray gun bottle. The side of the adapter is configured to attach to a spray gun.

In the embodiment of the invention, the adapter is a Shan Ceshi adapter. The term "single-sided" as used herein generally refers to one side of the adapter configured to be attached to a spray gun. In a single-sided adapter, the side not attached to the spray gun is used for attachment to the spray gun bottle.

In an embodiment of the present invention, the adapter is a double-sided adapter. The term "double sided" as used herein generally refers to more than one side of the adapter configured to be attached to a spray gun. In a double sided adapter, the side not attached to the spray gun is used for attachment to the spray gun bottle.

The term "friction fit" as used herein generally refers to a form of fastening between two mating components that mate, creating an engagement that holds the components together by friction after being pushed back.

The invention provides a spray gun bottle, the mouth of which leads to a spray gun bottle body for containing liquid, and the bottle body of the spray gun bottle comprises at least one vent.

The present invention provides a spray gun system comprising a bottle and an adapter, the mouth of the bottle leading to a bottle for containing a liquid, wherein the mouth has a threaded opening and the bottle comprises at least one vent; the adapter is configured for attachment to a threaded mouth of a mouthpiece and is configured for attachment to a spray gun.

The present invention provides an adapter for use with a spray gun. The adapter includes a first side having a base with a first surface and a second surface, a first friction fit interface protruding from the first surface, a second friction fit interface protruding from the second surface, and a central bore.

The present invention provides a spray gun system comprising a bottle having a mouth leading to a body for containing a liquid, and an adapter, wherein the mouth has a threaded opening and the body comprises at least one vent, the adapter is configured for attachment to the threaded opening of the mouth and is configured for attachment to a spray gun, the adapter comprising a first side (the base of the first side having a first surface and a second surface), a first friction fit interface protruding from the first surface, a second friction fit interface protruding from the second surface, and a central aperture.

Further areas of applicability of the present invention will become apparent from the detailed description provided hereinafter. It should be understood that the description and specific examples are intended for purposes of illustration only and are not intended to limit the scope of the present disclosure.

Drawings

The present invention will become more fully understood from the detailed description and the accompanying drawings, wherein:

fig. 1A and 1B are perspective views of a spray gun bottle assembly including a ventable spray gun bottle and a single-sided adapter in accordance with an embodiment of the present invention.

Fig. 2A is a perspective view of the single-sided spray gun adapter of fig. 1A and 1B.

FIG. 2B is a cross-sectional view of the single-sided spray gun adapter of FIG. 2A.

Fig. 3 is a side view of the single-sided spray gun adapter of fig. 1.

FIG. 4 is a cross-sectional view of the single-sided spray gun adapter of FIG. 2A.

Fig. 5 is a perspective view of a ventable spray gun bottle and a different single-sided spray gun adapter in accordance with an embodiment of the present invention.

Fig. 6A is a perspective view of the bottle connection side of the single-sided adapter of fig. 5.

Fig. 6B is a cross-sectional view of the single-sided adapter shown in fig. 6A.

Fig. 7 is a perspective view of the connection side of the spray gun assembly of the single-sided adapter of fig. 5.

Fig. 8 is a cross-sectional view of the single-sided adapter shown in fig. 5.

Fig. 9 is a perspective view of a ventable spray gun bottle and a double sided adapter according to an embodiment of the invention.

Fig. 10 is a cross-sectional view of the double-sided adapter of fig. 9.

Fig. 11 is a perspective view of a first side of the double-sided adapter of fig. 9.

Fig. 12 is a perspective view of a second side of the double-sided adapter of fig. 9.

Fig. 13 illustrates the reversibility of a double sided adapter.

Fig. 14 is a perspective view of a spray gun bottle having two vents and an intact tab on the two vents in accordance with an embodiment of the present invention.

Fig. 15 is a partial cross-sectional view of the spray gun bottle of fig. 14 attached to a double sided adapter in accordance with an embodiment of the present invention.

Fig. 16 is a complete cross-sectional view of the spray gun bottle of fig. 14 attached to a double-sided adapter in accordance with an embodiment of the present invention.

Fig. 17 is a perspective view of the spray gun bottle with the intact venting tabs shown in fig. 14 attached to a double-sided adapter and spray gun assembly in accordance with an embodiment of the invention.

Fig. 18 is a side view of the spray gun bottle with the intact venting sheet of fig. 14 attached to a double-sided adapter and spray gun assembly in accordance with an embodiment of the invention.

FIG. 19 is a view of a spray gun bottle with single vent and a double sided adapter according to an embodiment of the invention

Fig. 20 is a view of the spray gun bottle of fig. 19 attached to a first side of a double-sided adapter and an opposite side of the double-sided adapter attached to a spray gun assembly.

Fig. 21A, 21B, 21C and 21D are several views of a spray gun bottle assembly 950 and a transparent spray gun bottle 960 (with an intact vent sheet) in accordance with an embodiment of the present invention.

FIG. 22 is a view of a bottle having a pierceable recess near the bottom of the bottle according to an embodiment of the invention.

Fig. 23 is a bottom view of the bottle of fig. 22, showing the location of the pierceable recess.

FIG. 24 is a schematic illustration of the bottle of FIG. 22 attached to a first side of a single-sided adapter and the opposite side of the single-sided adapter attached to a spray gun.

FIG. 25 is an illustration of a bottle having a residual fluid line below the spike location.

Fig. 26 shows the bottle attached to a first side of the single-sided adapter and the opposite side of the single-sided adapter attached to the spray gun by a press or friction fit. The single-sided adapter shown has two uses: as a cap for a bottle and a connector for a spray gun according to an embodiment of the invention.

Figure 27 shows a bottle having a vent opening directed in the opposite direction as shown in figure 26 and having child-resistant lugs on the mouth below the threads in accordance with an embodiment of the present invention.

Fig. 28 shows a single-sided adapter with a first side of the single-sided adapter that acts as a cap having a pierceable membrane for attachment to a bottle and an opposite side of the single-sided adapter adapted to frictionally engage a spray gun, in accordance with an embodiment of the present invention.

Fig. 29 shows a single-sided adapter with a first side of the single-sided adapter that acts as a cap having a tearable membrane for attachment to a bottle and an opposite side of the single-sided adapter adapted for friction fit with a spray gun, in accordance with an embodiment of the present invention.

FIG. 30 illustrates a single-sided adapter on a bottle adapted to frictionally engage a spray gun, with a pierceable projection of the single-sided adapter serving as a vent on the bottle, in accordance with an embodiment of the invention.

FIG. 31 shows a single-sided adapter on a bottle adapted to frictionally engage a spray gun with a single vent tube according to an embodiment of the invention.

Fig. 32 illustrates attachment of a spray gun to the single-sided adapter and bottle of fig. 31 with the vent sheet intact in accordance with an embodiment of the invention.

Fig. 33 shows that the vent opening of the spray gun bottle according to the invention is located within the circumference of the spray gun bottle rather than attached to the outer circumference of the spray gun bottle.

Fig. 34 illustrates a bottom view of the spray gun bottle 1100 of fig. 33.

Fig. 35 shows a perspective view of a layered friction fit adapter for a spray gun.

Fig. 36 shows a perspective view of the layered friction fit adapter of fig. 35 from another angle.

Fig. 37 shows a top view of the layered friction fit adapter of fig. 35.

Fig. 38 illustrates a bottom view of the layered friction fit adapter of fig. 35.

Fig. 39 shows a side view of the layered friction fit adapter of fig. 35.

Detailed Description

The following description of the embodiments of the invention is merely exemplary in nature and is in no way intended to limit the invention, its application, or uses. The following is merely exemplary to provide a viable disclosure of the present invention and is not intended to limit the scope or spirit of the present invention.

Fig. 1A and 1B are perspective views of a spray gun bottle assembly 100 with a spray gun bottle 10 of the spray gun bottle assembly 100 attached or connected to a single-sided spray gun adapter 20 for use with the spray gun assembly. The lance bottle 10 is preferably blow molded or extrusion blow molded plastic. Plastics include, for example, but are not limited to, polyethylene terephthalate (PET), nylon, low Density Polyethylene (LDPE), high Density Polyethylene (HDPE), polyvinylchloride (PVC), extrudable PET (EPET) is an extrusion grade version of base resin PET, with intrinsic viscosity and melt strength much higher than conventional PET. The plastic may be subjected to a fluorination treatment to enhance compatibility with the volatile organic compounds.

The spray gun bottle contains a liquid or fluid. The liquid may be pre-metered or pre-filled in the bottle. The liquid is, for example, a chemical formulation including, but not limited to, a pre-coat, an adhesion promoter, a coating, a solvent, a paint, a spray gun cleaner, other chemicals or chemical compositions, or combinations thereof. It is also contemplated that within the scope of the present invention, the bottle may contain a concentrated solution and be attached to a gravity feed terminal device or a venturi terminal device.

Fig. 2A is a perspective view of the single-sided spray gun adapter 20 shown in fig. 1A and 1B. The single-sided spray gun adapter 20 has a central bore 28, a bottle attachment end 22 (with internal threads 26 for threadably engaging the bottle 10), and a spray gun assembly attachment side 24 for attachment to a spray gun assembly.

Fig. 2B is a cross-sectional view of the single-sided spray gun adapter 20 shown in fig. 2A. Fig. 2B shows a slot 27 (for receiving a filter insertable into the slot) and an optional pierceable sealing membrane 29. The dual purpose of the adapter includes two main functions: acting as an interface with the spray gun, acting as a cap for the bottle prior to piercing the sealing membrane, thereby maintaining the seal of the bottle prior to use during transport.

Fig. 3 is a side view of the single-sided spray gun adapter 20 of fig. 2A. As shown in fig. 2 and 3, the lance attachment side 24 has two helical ramps 30a, 30b and two "C" shaped clamping features 32a, 32b to securely fasten the adapter to the lance assembly. Once connected, the cylindrical feature 34 provides a fluid-tight seal between the adapter 20 and the mating fitting of the spray gun assembly.

Fig. 4 is a cross-sectional view of the single-sided spray gun adapter 20 shown in fig. 2A. Fig. 4 shows the fluid path leading to the lance between the two sides of the adapter.

Fig. 5 is a perspective view of a spray gun bottle assembly 200 including a bottle 210 and Shan Ceshi adapter 220 in accordance with an embodiment of the invention. The spray gun bottle assembly 200 allows fluid communication to the cup connection to which the spray gun is equipped.

Fig. 6A is a perspective view of the bottle connection side 222 of the single-sided adapter 220 shown in fig. 5. The internal threads 224 of the bottle connection side 222 are configured to threadably engage the bottle 210. The figure also shows an opposite spray gun assembly attachment side 226.

Fig. 6B is a cross-sectional view of the single-sided adapter 220 shown in fig. 6A. Fig. 6B shows a notch 227 (for receiving a filter insertable into the notch) and an optional pierceable sealing membrane 229. The pierceable seal membrane 29 may be molded into the single-sided adapter 220. The pierceable seal 29 also acts as a cap to retain the liquid in the bottle prior to piercing. This eliminates the need for a main shipping cover. The notch 227 allows a user to push a commercially available off-the-shelf spray gun filter into the single-sided adapter 220. The entire package can be discarded when the product is exhausted, providing convenience to the user.

Fig. 7 is a perspective view of the spray gun assembly connection side 226 of the single-sided adapter 220 of fig. 5. As shown, the spray gun assembly attachment side 226 has three cylindrical lugs 230. Although three lugs are shown, there may be any number of lugs where present. The configuration of the spray gun assembly attachment side 226 may vary. As shown in fig. 7, the three lugs engage with the mating fitment of the spray gun assembly, providing a fluid-tight seal at the cylindrical feature 228 between the bottle and fitment when fully engaged. A central aperture 232 passes through the center of the single-sided adapter 220.

Fig. 8 is a cross-sectional view of the single-sided adapter 220 shown in fig. 5.

The cross-sectional view shows the fluid path provided between the two sides of the adapter.

Fig. 9 is a perspective view of a spray gun bottle assembly 300 including a bottle 310 and a double sided spray gun adapter 320 in accordance with an embodiment of the present invention. The spray gun adapter 320 is reversible.

Fig. 10 is a cross-sectional view of the double sided spray gun adapter 320 of fig. 9. Fig. 10 shows a central bore 322 through which fluid will flow. As shown in fig. 10, a first side 324 of the spray gun adapter 320 may be matingly received by a spray gun fitment of a first configuration, and an opposite second side 326 of the spray gun adapter 320 may be matingly received by a spray gun fitment of a different configuration when flipped. In either position, the spray gun adapter 320 has bottle internal threads 328, 330 that allow connection to a bottle. For example, one side may be fitted with a 3M PPS-type spray gun assembly fitting, available from 3M Products Company, while the other side may be fitted with a D-Cup-type connector, available from DeVilbiss Automotive Refinishing.

Fig. 11 is a perspective view of a first side 324 of the double-sided adapter 320 of fig. 9 having a central aperture 322. Fig. 12 is a perspective view of the second side 326 of the double-sided adapter 320 of fig. 9.

Fig. 13 illustrates the reversibility of the dual sided adapter 320 of the present invention. The double sided adapter is flipped to the desired attachment, screwed onto a threaded bottle, and then snapped into the spray gun.

Fig. 14 is a perspective view of a bottle 400 according to an embodiment of the present invention, the mouth 410 of the bottle 400 leading to a body 412 for containing a liquid, the bottle 400 having two vents 414, 416 extending outwardly from the body 412. The mouthpiece may have a child resistant lock feature. As shown, the bottle's vent 414, 416 is an open tube with a removable end 418, 420, where the removable end or tab 418, 420 faces away from the mouth of the bottle. One or more of the tabs 418, 420 are removed to allow venting during gun operation. Although this configuration is shown, the number, shape and location of the vents, as well as the orientation of the vents, may vary. When the bottle 400 is assembled to the spray gun, the bottle vent may be twisted off, broken off, or clipped off to vent the bottle. System aeration can achieve uniform and consistent liquid distribution. The bottle vent is easily opened prior to use, allowing for continuous and uniform spraying of the liquid.

Fig. 15 is a partial cross-sectional view of the spray gun bottle 400 of fig. 14 attached to a double-sided adapter 320 in accordance with an embodiment of the present invention. Fig. 15 shows a bottle 400 having a shoulder or notch 422 for holding an optional filter 520. The slot allows for the inclusion of an optional filter 520. Filters used in the present invention are, for example, filters commercially available from SATA GmbH & co., iwata-medical, inc, 3M Products Company, deVilbiss Automotive Refinishing, etc. The filter is installed to prevent any solids or debris in the liquid from entering and clogging the spray gun.

Fig. 16 is a complete cross-sectional view of the spray gun bottle 400 of fig. 14 attached to an adapter 320 in accordance with an embodiment of the present invention.

Fig. 17 is a perspective view of a spray gun assembly 700 comprised of a bottle assembly 500 and a spray gun assembly 600. The dual sided spray gun adapter 320 of the bottle assembly 500 has a first side attached to the spray gun bottle 400 and an opposite second side attached to the fitting 610 of the spray gun assembly 600.

Fig. 18 is a side view of the bottle assembly 500 attached to a spray gun assembly 600 in accordance with an embodiment of the present invention. Fig. 18 illustrates the manner in which the system of the present invention interfaces/connects to a spray gun assembly 600. The spray gun assembly 600 may be a High Volume Low Pressure (HVLP) spray gun. The bottle assembly 500 of the present invention is connected to a universal fitting for a spray gun, such as those available from 3M Products Company and DeVilbiss Automotive Refinishing.

Fig. 19 is a view of a spray gun bottle assembly 800 according to an embodiment of the invention, with a bottle of the spray gun bottle assembly 800 having a single vent 810 attached to a double sided adapter 820.

Fig. 20 is a view of the spray gun bottle assembly 800 of fig. 19 attached to a spray gun assembly 900.

Fig. 21A, 21B, 21C and 21D are several views of a spray gun bottle assembly 950 and a transparent spray gun bottle 960 according to an embodiment of the invention.

In an embodiment of the present invention, as shown in fig. 22, a bottle 1000 has a dimple 1010 near the bottom of the bottle 1000. As shown, bottle 1000 contains a fluid, with the fluid indicated by the dashed line at full level. Instead of the vent opening extending outwardly from the bottle body to provide a venting function, one or more indentations 1010 are preferably present in the lower half of the bottle. The recess 1010 is pierceable so that a user can attach the bottle to the spray gun and pierce the recess. The bottle may be of any size, but a 6 ounce bottle is generally sufficient to coat a vehicle bumper. With the spray gun, the pierced bottle will be vented. Once the spray is complete, the user may place the bottle back on a table or the like. An unused additional formulation (e.g., less than 2 ounces) will remain in the bottle without leaking. The bottle may be blow molded using PET plastic.

Fig. 23 is a bottom view of the bottle of fig. 22, showing the location of the pierceable recess at point a.

FIG. 24 is a schematic illustration of the bottle of FIG. 22 attached to a first side of a single-sided adapter and the opposite side of the single-sided adapter attached to a spray gun.

Fig. 25 is a graphical representation of the residual fluid remaining in the bottle after spraying. The dashed line represents the residual fluid line below where point a pierces the bottle.

Fig. 26 shows the bottle 1030 attached to a first side of the single-sided adapter 1020 and the opposite side of the single-sided adapter 1020 attached to the spray gun by a press or friction fit. The single-sided adapter 1020 shown serves two purposes: serving as a cap for the bottle 1030 and a connector to the spray gun.

FIG. 27 shows a bottle 1040 having vents 1042, 1044 directed in opposite directions as shown in FIG. 26 and having child-resistant lugs 1046 below the threads 1048 on the mouth of the bottle 1040. Such vents are oriented downward, preferably tubular vents protrude from the bottle body below the midpoint of the bottle.

Fig. 28 shows a single-sided adapter 1020 according to an embodiment of the invention, a first side of the single-sided adapter 1020, which acts as a cap, having a pierceable membrane 1050 for attachment to a bottle, and an opposite side of the single-sided adapter 1020 adapted to frictionally engage a spray gun.

Fig. 29 shows a single-sided adapter 1020 according to an embodiment of the invention, a first side of the single-sided adapter 1020, which acts as a cap, having a tearable membrane 1060 for attachment to a bottle, the opposite side of the single-sided adapter 1020 being adapted to frictionally engage with a spray gun.

Figure 30 shows a single-sided adapter on the bottle 1070 adapted to frictionally engage the spray gun, with the projection 1075 of the bottle 1070 being pierceable at point B and once pierced serving as a vent. Preferably, the pierceable projection is located in the lower half of the bottle.

FIG. 31 shows a single-sided adapter 1020 on a bottle 1080 adapted for friction fit with a spray gun, the single-sided adapter 1020 having a single-pass gas tube 1085, according to an embodiment of the invention.

Fig. 32 shows a spray gun 1087 attached to the single-sided adapter 1020 and bottle 1080 of fig. 31.

Fig. 33 shows vent 1090 of spray gun bottle 1100 being located within the inner periphery of the spray gun bottle body rather than attached to the outer periphery of the spray gun bottle body.

Fig. 34 illustrates a bottom view of the spray gun bottle 1100 of fig. 33.

Fig. 35 shows a perspective view of a layered friction fit adapter 1200 for use with a spray gun. The sides of the adaptor 1200 may be used with spray guns having a variety of orifice sizes. As shown in fig. 35, the adaptor 1200 has a base 1205, the base 1205 having a first surface 1212 with a raised first friction-fit interface 1224 and a second surface 1210 with a raised second friction-fit interface 1222. The perimeter of the first friction fit interface 1224 is greater than the perimeter of the second friction fit interface 1222. The first friction fit interface 1224 is adapted to be used with a larger orifice spray gun than the second friction fit interface 1224. The adapter may be formed as a single component or as multiple components. Preferably, the adapter is made of a plastic material. The central bore 1214 present in the adapter has an optional removable tab or pierceable membrane.

Fig. 36 shows a perspective view of the layered friction fit adapter 1200 of fig. 35 from another angle. Fig. 36 shows the underside or opposite side of the adaptor 1200. The underside presents threads 1216 for attachment to, for example, a spray gun bottle having mating threaded openings.

Fig. 37 shows a top view of the layered friction fit adapter 1200 of fig. 35.

Fig. 38 illustrates a bottom view of the layered friction fit adapter 1200 of fig. 35.

Fig. 39 shows a side view of the layered friction fit adapter of fig. 35.

The device has the advantages of fewer steps, less mess, saving in the time of automobile maintenance, high rigidity, disposable use, package ventilation and the like.

Accordingly, those skilled in the art will readily appreciate that the present invention has a wide range of utility and applications. Many embodiments and adaptations of the present invention other than those herein described, as well as many variations, modifications, and equivalent arrangements, will be apparent from or reasonably suggested by the present invention and the foregoing description thereof, without departing from the substance or scope of the present invention. Thus, while the invention has been described in detail in connection with the preferred embodiments thereof, it is to be understood that this disclosure is only illustrative and exemplary of the present invention, and is for the purpose of providing a full and enabling disclosure of the invention. The disclosure is not intended or to be construed as limiting the invention or otherwise excluding any other embodiments, adaptations, variations, modifications and equivalent arrangements.

Claims (16)

1. An adapter for use with a spray gun, the adapter comprising:

a first side, a base of the first side having a first surface and a second surface;

a first friction fit interface protruding from the first surface;

a second friction fit interface protruding from the second surface;

a central bore.

2. The adapter of claim 1, wherein the first side of the adapter is configured to attach to a spray gun.

3. The adapter of claim 2, wherein the adapter is configured to attach to the spray gun by a friction fit.

4. The adapter of claim 1, wherein the second side of the adapter is configured to be attached to a spray gun bottle or another spray gun.

5. The adapter of claim 4, wherein the adapter functions as a cap on the spray gun bottle.

6. The adapter of claim 5, wherein the cover has a pierceable membrane.

7. The adapter of claim 5, wherein the cover has a tearable membrane.

8. The adapter of claim 1, further comprising a second threaded side.

9. The adapter of claim 1, wherein a perimeter of the first friction fit interface is greater than a perimeter of the second friction fit interface.

10. A spray gun system comprising:

a bottle having a mouth leading to a body for containing a liquid, wherein the mouth has a threaded opening and the body includes at least one vent;

an adapter configured to be attached to a threaded mouth of a mouthpiece of the bottle and configured to be attached to a spray gun, the adapter comprising:

a first side, a base of the first side having a first surface and a second surface;

a first friction fit interface protruding from the first surface;

a second friction fit interface protruding from the second surface;

a central bore.

11. The spray gun system according to claim 10 wherein the adapter is configured to be attached to the spray gun by a friction fit.

12. The spray gun system according to claim 10 wherein a side of the adapter is configured to attach to a spray gun bottle.

13. The spray gun system according to claim 10 wherein the adapter is used as a cap on the spray gun bottle.

14. The spray gun system according to claim 10 wherein said cover has a pierceable membrane.

15. The spray gun system according to claim 10 wherein said cover has a tearable membrane.

16. The spray gun system according to claim 10 further comprising a threaded side.