MXPA97007915A - Fluid flow control plates for an adhesive applicator fade by ca - Google Patents

Abstract

The present invention relates to a system that is used to distribute liquids, including heat-melt adhesives supplied from a container on a substrate, the system consists of a liquid measuring device having a plurality of regulated liquid outlets for supplying container liquids, a main manifold having a portion with a plurality of liquid outlet ports and a corresponding plurality of liquid return ports, a plurality of liquid supply conduits connecting one of the ports of the plurality of ports of liquid outlet corresponding to a corresponding regulated liquid outlet of the liquid measuring device, and a plurality of liquid return conduits connecting one of the ports of the plurality of liquid return ports to the container, and is an adapter plate with nozzle for the flow of direct or individual fluid 200 that has the fluid outlet point of the plate 240 disposed at the interface of the nozzle adapter 280 to provide a direct flow to the fluid dispensing nozzle coupled to the interface of the nozzle adapter 280; the liquid supplied to the adapter plate of the Liquid fluid nozzle, direct and individual, by means of one of the corresponding conduits of the plurality of liquid supply conduits of the main manifold, directed to the outlet port of the plate liquid, and the liquid interface of the adapter plate of the flow nozzle, direct and individual, attached to the final part of the main manifold, to block one of the corresponding ports of the plurality of liquid return ports in the final part of the manifold

Description

FLUID FLOW CONTROL PLATES FOR A HEAT FLOODED APPLICATION OF ADHESIVES CROSS REFERENCE OF THE RELATED APPLICATIONS The present application is a partial continuation of the EUA Application No. 08 / 683,064, co-pending, filed on July 16, 1996, entitled "Heat-melted adhesive applicator with a metering head driven by a gear" , assigned to the agent of the present application and incorporated herein by reference.

BACKGROUND OF THE INVENTION The invention relates generally to a system for dispensing fluids including hot melt adhesive dispensing from a container by a fluid measuring or controlling device, and more particularly with a system having one or more plates for controlling the flow of the individual fluid, interchangeably coupled to an end portion of the main manifold, wherein each plate for controlling the fluid of the individual flow recirculates the fluid or directs the fluid to a dispensing nozzle. The precise dispenser of heat-melt adhesives and other fluids in substrates has many applications, including, for example, in the manufacture of disposable diapers or incontinence pads, sanitary napkins, patient supports and surgical bandages, which require joining one or more layers of material, or substrates. The precise control over the amount of adhesive, or fluid, dispensed is important for a number of reasons, some of which were discussed in the related, co-pending application incorporated herein as the above reference. It is also necessary in many applications including the applications discussed above, to control where the fluid is placed or applied to the substrate, which is generally carried out by configuring the fluid dispensing nozzles in the fluid dispensing system to be dispensed in a specific pattern However, existing dispensing systems are generally not reconfigurable in order to dispense different fluid patterns. And a fluid dispensing system that is reconfigurable requires modifications and practically disarms it, which represents time consumption and usually, must be carried out by a specialized technician. The inventors of the present invention recognize that it is desirable to recirculate the fluid conditionally as a measure to regulate fluid pressure dynamically, as fully presented in the related, co-pending application incorporated herein by reference. The creators of the present invention also recognize that it is desirable and advantageous to recirculate the fluid supplied to the fluid outlet ports, through which the fluid dispenser is not useful without using dynamic fluid pressure regulation, and At the same time, the dynamically regulated fluid pressure, related to the fluid outlet ports, through which it is desired to dispense the fluid, by the fluid recirculating conditionally, only when the fluid pressure related to these ports increases further beyond the acceptable fluid pressure level, resulting from a clogged fluid dispensing nozzle. These different characteristics are not presented or known in the fluid dispensing systems of the prior art, and in particular in the systems for dispensing hot melt adhesives supplied from a container by one or more fluid measuring devices. In view of the above discussion, there is a demonstrated need for an advance in the technique of fluid flow control in a fluid dispensing system. Therefore, it is an object of the invention to provide a system for dispensing fluids, including heat-melt adhesives, through one or more individual fluid flow control plates mounted on an end portion of a main manifold, which solves the problems of the prior art. It is another object of the invention to provide a novel system for dispensing fluid, including hot melt adhesives from a container by a fluid measuring device having a plurality of outlets for the measured fluid, wherein one or more plates for flow control of the individual fluid are mounted interchangeably on an end portion of the main supplier to provide improved flexibility and control over the fluid that is dispensed and to circulate it again through the main manifold. It is also an object of the invention to provide a novel system having a main manifold for dispensing fluids including heat-melt adhesives supplied from a container by a fluid measured device, wherein at least one plate for fluid flow control individual is coupled to an end portion of the main manifold, and wherein the plate for controlling the flow of the individual fluid is a plate that blocks the individual fluid to again circulate the fluid from a fluid supply conduit of the main manifold to The fluid recirculation conduit of the main manifold, or in the soleplate for the control of the fluid of the individual flow is a nozzle for the flow of the direct, individual fluid to direct the fluid from the conduit for the supply of the fluid of the main manifold towards the dispensing nozzle of the fluid. It is also an object of the invention to provide a novel system having a main manifold for dispensing fluid including hot melt adhesives from a container by a fluid measuring device, wherein a plurality of individual fluid flow control plates are coupled to an end portion of the main manifold having a plurality of fluid flow exit ports, and a plurality of plates for fluid flow control are coupled to a common fluid return plate, wherein the common plate for the return of the fluid is also coupled to the main manifold to again circulate the fluid from one or more plates for the control of the individual fluid back to the main manifold. It is still another object of the present invention to provide a novel system having a main manifold for dispensing fluids including heat-melt adhesives supplied from a container by a fluid measuring device, wherein at least one plate for fluid flow control, individual, is coupled to an end portion of the main manifold, and wherein the main manifold includes a plurality of recirculation conduits, each interconnected with the corresponding other of a plurality of conduits for the supply of the fluid and the corresponding container by a valve One-way disposed between each conduit for supplying the fluid and the container, wherein the one-way valve circulates again, conditionally, from the conduit for the corresponding fluid supply to the container. It is another object of the invention to provide a novel system having a main manifold for dispensing fluids including hot melt adhesives from a container by a fluid measuring device, wherein at least one plate for fluid flow control, individual, it is coupled to the end portion of the main manifold, in combination with one or more modules with fluid dispensing nozzles, with actuatable valves. These and other objects, features and advantages of the present invention will become more apparent upon consideration of the following Detailed Description of the Invention with the accompanying drawings, which may be enlarged by facilitating understanding, wherein the similar structure and steps are refer through indicators and corresponding numbers.

BRIEF DESCRIPTION OF THE DRAWINGS FIGURE 1 is a partial view of the main manifold of the heat-melt adhesive dispensing system and an individual fluid blocking plate engageable with the main manifold according to an exemplary embodiment of the invention. FIGURE 2 is a partial view of the main manifold of the heat-melt adhesive dispensing system taken along lines II of FIGURE 1. FIGURE 3a is a view of the individual fluid blocking plate according to a shape of carrying out the invention. FIGURE 3b is an end view taken along lines II-II of FIGURE 3a. FIGURE 4 is a side view of a plate with nozzle adapter for the individual direct flow fluid coupled to the main manifold according to another embodiment of the invention. FIGURE 5a is a front end view of a common fluid return plate, engageable with the main manifold according to another exemplary embodiment of the invention. FIGURE 5b is a side view taken along lines III-III of FIGURE 5a.

FIGURE 6a is a front end view of a plurality of individual, alternate, direct fluid flow plates that engage the main manifold and the common fluid return plate of FIGURE 5. FIGURE 6b is a side view taken along lines IV-IV of FIGURE 6a. FIGURE 7 is a side view of an alternative, individual fluid blocking plate that engages the main manifold and the common fluid return plate of FIGURE 5. FIGURE 8 is a side view of another fluid blocking plate individual, which is coupled to the main manifold and the common fluid return plate of FIGURE 5. FIGURE 9 is a partial side view of the main manifold of the dispensing system of the hot melt adhesive having a recirculation manifold according to a exemplary embodiment of the invention.

DETAILED DESCRIPTION OF THE INVENTION FIGURE 1 is a partial view of a heat-melt adhesive dispensing system 10 which generally comprises a main manifold 100 which has a plurality of fluid supply conduits 30, each interconnected with its corresponding one of a plurality of fluid outlet ports 32 in a first end portion 102 of the main manifold with the corresponding one of a plurality of measured fluid outlets of a fluid measuring device, which supplies the fluid from a fluid container, which was presented in its entirety in the co-pending related application incorporated herein as the aforementioned reference. However, more generally, the main manifold 100 includes additional end portions, which are not shown, having a plurality of fluid outlet ports each coupled to its corresponding one of a plurality of outputs for measured fluid from the fluid measuring device. , wherein each end portion of the main manifold 100 has at least two fluid outlet ports 32. In accordance with the exemplary embodiments of FIGS. 1 and 2, the main manifold 100 includes a plurality of fluid return conduits 40. coupled to the corresponding one of a plurality of fluid return ports 42 disposed at the end portions of the main manifold 100 with the fluid container. The return ports of the fluid 42 are coupled in any upstream portion of an inlet for the fluid of the fluid measured device, as fully presented in the related, co-pending application incorporated herein by the above reference. In the exemplary embodiment of FIGURES 1 and 2, the plurality of fluid return conduits 42 along the first end portion 102 of the main manifold 100 are interconnected by a transverse conduit 44 coupled to the common recirculation conduit 46., which is coupled to the fluid inlet of the fluid measuring device or to the fluid container. FIGURE 1 shows at least one individual fluid flow control plate 200 coupled to the end portion of the main manifold 100. The flow fluid control plate 200 generally includes a fluid interface in the plate 210 having at least one port for the fluid inlet to plate 220 coupled via a conduit for the flow of fluid from plate 230 to the fluid outlet port of plate 240. The fluid interface of plate 210 of the plate for flow control of the individual fluid 200 is mounted on one of the end portions of the main manifold 100 couple coupling the fluid inlet port to the plate 220 for controlling the fluid of the individual flow 200 to its corresponding one of the plurality of ports of fluid outlet 32 from the main manifold 100. In the exemplary embodiments of FIGURES 1 and 3a, the plate for the control of the individual flow fluid 200 is a plate that blocks the flow of fl individual fluid having a fluid outlet port of the plate 240 disposed at the fluid interface of the plate 210. The fluid exit port of the plate 240 is coupled to one of the plurality of plural ports of fluid return 42 at the end portion of the main manifold 100 when the individual fluid blocking plate 200 is mounted to the main manifold 100. According to this configuration, the fluid supplied to the individual fluid blocking plate 200 by the corresponding one of a plurality of fluid supply conduits 30 of the main manifold 00 is directed to the corresponding one of the plurality of return conduits of the fluid 40 in the main manifold 100, wherein the fluid supplied by the corresponding fluid supply conduit 30 is circulated again or returning via the return conduit of the corresponding fluid 40 to the container, which in this specification means in any r place upstream of the inlet of the fluid measuring device. FIGURE 1 also shows the inlet port for air flow 250, which can be coupled to the air outlet port of an air preheater module, which is not shown, but is fully presented in the related application, co-pending incorporated in present by the above reference, engageable to the air interface 260 of the plate for the control of the fluid of the individual flow 200. The inlet port of the air flow 250 of the plate for the control of the flow fluid 200 ventilates the air supplied with several ducts for the air supply of the air preheater module to avoid the unbalance of the air pressure in other ducts for the air supply of the air preheater module. Generally, a sealing member is placed between the plate for controlling the flow of the individual flow 200 and the end portion of the main manifold 100 to contain the flow of the fluid and seal any port that is not used. The exemplary embodiment of FIGURE 3b is an end view of the individual flow fluid control plate 200 of FIGURE 3a showing a seat 222 disposed about the fluid inlet port to the plate 220 and a seat 242 arranged around the fluid outlet port of the plate 240 to receive the corresponding toning rings or other suitable sealing members, not shown, which contain or retain the flow of fluid between the main manifold 100 and the plate for the control of the flow fluid 200. Additional seats 244 are disposed at the fluid interface 210 of the plate for controlling the flow of the individual flow 200 to receive the corresponding sealing members to block or seal the air supply conduits 170 in the main manifold 100, which are used to operate the valve of the nozzle module, as presented in the copending application incorporated herein by the previous reference. Similar seats are arranged in the interface of the fluid 210 of the plate for controlling the fluid of the individual flow 200 of FIGURE 1. And in another embodiment, the seats 222, 242 and 244 can be arranged alternatively or cumulatively in the end portion of the main manifold 100. The flow control plate of the individual flow 200 is mounted on or coupled to the main manifold 100 by bolts or other changeable fastening members through the perforations 248 in the plate for control of the individual flow fluid 200, which includes depressions or holes 249 for driving the heads of the bolts or screws to allow assembly of an air preheater manifold at the air interface 260 of the plate for control of the fluid of the individual flow 200 FIGURES 1 and 3a illustrate configurations of a conduit for the flow of the fluid from the alternative plate 230 between the inlet port of the plate 220 and the salt port. flow exit of the plate 240. The fluid flow conduit of the plate 230 of FIGURE 1 can be formed by drilling or drilling three holes in the plate for control of the individual flow fluid 200, while the conduit of the fluid flow of the plate 230 of FIGURE 3a can be formed by drilling or drilling two holes in the plate for controlling the fluid of the individual flow 200. In the exemplary embodiment of FIGURE 4, the plate for the control of the individual flow fluid 200 is an adapter plate with nozzle for the direct, individual fluid flow 200 having the fluid outlet port of the plate 240 disposed at the interface of the nozzle adapter 280. According to this configuration the fluid supplied to the individual direct fluid nozzle adapter plate 200, by corresponding one of a plurality of conduits for the fluid supply 30 of the main manifold 100 is directed by the fluid flow conduit 230 to the fluid exit port of the plate 240, at an interface with nozzle adapter 280, to provide a direct fluid flow, without interruption, to the fluid dispensing nozzle, which is not shown, coupled to the interface of the nozzle adapter 280. A type of fluid dispensing nozzle that engages the adapter interface with nozzle 280 is, for example, a nozzle of type A-25, part no. 057-1893, and a nozzle adapter, part no. 084-B-1555, both available from ITW Dynatec, Hendersonville, Tenn., which is used to dispense hot melt adhesives.

The conduit for the flow fluid of the plate 230 in the individual direct-flow fluid nozzle adapter plate of FIGURE 4 can be formed by drilling an orifice in the plate for the control of the individual flow fluid 200 , which is coupled to the drilled hole to receive the portion of a particular fluid dispensing nozzle, which is not shown. The nozzle adapter plate for the flow fluid of FIGURE 4 also includes a seat 222 disposed around the fluid inlet port of the plate 220 to receive the sealing members, not shown, to contain the flow of the fluid. fluid between the main manifold 100 and the plate for control of the individual flow fluid 200, as discussed above. The seat 242 receives the sealing member to seal the return port of the fluid 42 of the main manifold 100, and additional seats 244 are provided at the fluid interface 210 of the plate with the nozzle adapter for direct, individual fluid flow 200. to receive the corresponding sealing members to block or seal the air supply conduits 170 in the main manifold 100. In another embodiment, the seats 222, 242, and 244 may be disposed alternatively or cumulatively at the end portion of the main manifold 100. FIGURE 4 may also include a port for the air flow, which may be coupled to an air outlet port of an air preheater module, as discussed above, in connection with FIG. 1 And the plate with nozzle adapter for the fluid flow 200 of FIGURE 4 can be coupled to the main manifold 100 as discussed above with respect to FIGURES 1- 3. The exemplary embodiments of FIGURES 1-4 are useful alone and in a variety of combined configurations as well as with other modules with nozzles that engage the end portions of the main manifold 100, which, therefore, provides operational flexibility maximum for fluid dispenser applications. In an exemplary configuration, at least one or more individual fluid blocking plates 200 of the type shown in FIGS. 1-3 are coupled to one or more end faces of the main manifold 100 to circulate again the fluid supplied from the conduits of the corresponding fluid supply of the fluid container as defined herein. These one or more individual fluid blocking plates 200 may be used in combination with one or more of the nozzle adapter plates for direct, individual fluid flow 200 of the type shown in FIGURE 4. In another embodiment exemplary, at least one or more of the individual direct fluid flow nozzle adapter plates 200 of the type shown in FIGURE 4 engage with one or more end faces of the main manifold 100 to supply the fluid from the conduits of corresponding fluid supply 30 to the fluid dispensing nozzles coupled to the interface of the nozzle adapter 280. These one or more plates with nozzle adapter for direct, individual fluid flow 200 can also be used in combination with one or more Blocking plates of the individual fluid 200 of the type shown in FIGURES 1-3. Both types of individual flow fluid control plate 220 shown in FIGS. 1-4 are mounted independently on the front end portions of the main manifold 100 and can be used in combination with the operable nozzle module assemblies. by valve including the types that are presented in their entirety in the related application, incorporated herein by the previous reference. These valve-operated nozzle modules include the MR-1300® Nozzle Module available from IT Dynatec, Hendersonville, Tenn. The MR-1300® Nozzle Module includes seats to receive the sealing members to contain or retain, seal and / or block the flow of air and fluid between the individual flow fluid control plate 200 and the main manifold 100.

According to an alternative configuration of the main manifold 100, which is shown in FIGURE 9, a simple, fluid return port 45 is provided in one or more end portions of the main manifold 100, as fully presented in the application. related dependent herein incorporated by reference, rather than the plurality of fluid return ducts 40 shown in the embodiments of FIGURES 1 and 2. The simple, fluid return port can be centrally located or out towards a side of the end portion of the main manifold 100. The fluid return port, simple 45 is coupled to the fluid container anywhere upstream of the fluid inlet of the fluid measuring device by the corresponding recirculation line. , or the simple fluid return conduit 46. FIGURES 5a and 5b show a return plate of the common fluid 300 having a first interface 310 with a plurality of input ports for the return of the fluid 320 coupled to the return output port of the common fluid 330 in the second interface 340 of the return plate of the common fluid 300. The second interface 340 of the return plate of the common fluid 300 is mounted on one of the end portions of the main manifold 100 to couple the return port of the common fluid return 330 from the plate for the return of the common fluid to the return port of the single fluid 45 of the main manifold 100. One or both end portions of the main manifold 100 and the second interface 340 of the common fluid return plate 300 may include a seat 332 for receiving a sealing member to contain the fluid between the main manifold 100 and the return plate. of common fluid 300 as discussed above. FIGURES 6a and 6b show a plurality of plate for the control of the fluid of the individual flow, alternatives 400 which are coupled to an end portion of the main manifold 100 and to the first interface 310 of the plate for the return of the common fluid 300. Each plate for control of the individual flow fluid 400 includes a fluid inlet port of the plate 410 coupled to the fluid outlet port of the plate 420 by a conduit for the flow of the fluid 430. The fluid inlet port of the plate 410 is in the first interface of the plate 440 which is mounted on the end portion of the main manifold 100 to couple the fluid inlet port of the plate 410 of the plate for the control of the flow fluid with the corresponding one of a plurality of outlet ports for the fluid 32 at the end portion of the main manifold 100. According to this configuration, a plate for the control of the fluid of the individual flow 400 corresponds to each of the fluid outlet ports 32 of the main manifold 100 and the corresponding one of the plurality of the inlet ports for the return of the fluid 320 from the plate for the common return fluid 300. Each plate for the control of the fluid of the individual flow 400 also includes a second interface of the plate 450 which is mounted on the first interface 310 of the plate for the return of the common fluid 300. And one or more of the end portions of the main manifold 100 and the first interface of the plate 440 of the flow control plate of the individual flow 400 includes a seat 412 for receiving a sealing member to contain the fluid therebetween as discussed above. In the exemplary embodiment of FIGS. 6a and 6b, the plate for controlling the flow of the individual flow 400 is a plate with an adapter with nozzle for the flow of the direct, individual fluid 400 having a fluid outlet port of the fluid. the plate 420 arranged in the third interface of the plate 460, which functions as an interface with nozzle adapter. According to this configuration, the fluid supplied to the plate with adapter for the flow of the direct, individual fluid 400 through one of the plurality of fluid supply conduits 30 of the main manifold 100 is directed by the conduit for the flow of fluid 430 from the outlet port of the fluid. fluid from the plate 420 at the third interface of the plate 460 to provide an uninterrupted fluid flow, direct toward the fluid dispensing nozzle, not shown, coupled to the interface of the nozzle adapter. One type of fluid dispensing nozzle that engages the third interface of the plate 460 of the plate with nozzle adapter for the direct, single fluid flow 400 is, for example, a nozzle A-25, No. Of part 057 -B-1893, available from ITW Dynatec, Hendersonville, Tenn., Which is used to dispense hot melt adhesives. In the exemplary embodiment of FIGS. 6a and 6b, the second interface of the plate 450 of the plate with nozzle adapter for the flow of the direct, individual fluid 400 is mounted on the first interface 310 of the plate for the return of the common fluid 300 to seal the inlet port for the return of the fluid 320 from the plate for the return of the common fluid 300. In the exemplary embodiment, the plate with nozzle adapter for the direct, single fluid flow 400 includes a projecting member 455 available at the port of entry for the return of the fluid 320 from the plate for the return of the common fluid 300. The projecting member 455 includes a seat for the sealing member 456 for receiving an o-ring or other sealing member, which is not shown, which provide a seal between the second interface 450 of the plate for the control of the fluid of the individual flow 400 and the first interface 310 of the plate for the return of the flux 300 common to block the inlet port of the fluid return 320 of the plate for the return of the common fluid 300. Member protruding, similar, with sealing members protruding from the third interface 460 are used for coupling with the assembly of fluid dispensing nozzle which is mounted on the third interface 460. In the exemplary embodiments of FIGURES 7 and 8, the individual flow fluid control plate 400 is an individual fluid blocking plate 400 having a port of fluid outlet of the plate 420 disposed in the second interface of the plate 450. The fluid exit port of the plate 420 is coupled to the corresponding one of a plurality of ports for the return of the fluid 320 in the first interface 310 of the plate for the return of the common fluid 300 when the second interface 450 of the individual fluid blocking plate is mounted on the first interface 310 of the plate for the return of the common fluid 300. According to this configuration, the fluid supplied to the individual fluid blocking plate 400 by the corresponding one of a plurality of conduits for the fluid supply 30 of the main manifold 100 is directed to the return conduit of the fluid 46 of the manifold 100 main to make it fly to circulate. The protruding member 455 includes a sealing member 456 for receiving an o-ring or other sealing member, not shown, which provides a seal between the second interface 450 of the plate for control of the fluid of the individual flow 400 and the first interface 310 of the plate for the return of the common fluid 300 to seal and contain the fluid recirculating from the fluid exit port of the plate 420 to the inlet port of the fluid return 320 of the plate for the return of the common fluid 300. The individual fluid blocking plates 400 of FIGURES 6 and 7 also include a port for air flow inlet 470, which can be attached to a port for the air outlet of an air preheater module, which is not sample is described in its entirety in the related application, copending, incorporated herein by the above reference. The port for the air flow of FIGURE 6 is used to modify the air flow through the fluid dispensing nozzle coupled to the third interface 460 of the nozzle adapter plate for fluid flow 400. And the port for the air flow of FIGURE 7 is used to ventilate air supplied from one of the different conduits for the air supply of the air preheater module to avoid an unbalance in the air pressure as discussed above. The individual fluid blocking plates 400 in FIGS. 6-8 are mounted independently and movably from the main manifold 100 and the manifold for the return of the common fluid 300. And the individual fluid blocking plates 400 are retained in the main manifold by clamping the members and seats included for the corresponding sealing members to provide a seal between them as discussed above with respect to the embodiments of FIGURES 1 and 2. In the application, the plurality of plate for the control of the individual flow fluid 400 coupled to the plate for the return of the common fluid 300 and to maintain the manifold 100 may be in any combination of the plates with interface adapter for the nozzle of the direct, single fluid flow 400 of FIGURE 6 and the individual fluid blocking plates 400 of FIGURES 7 and 8, which, thus, provide the maximum operational flexibility for the fluid dispensing applications. In accordance with another aspect of the invention shown in FIGURE 9, the plates for controlling the flow fluid and the configurations discussed with respect to the embodiments of FIGURES 1-8 are useful in combination with a plurality of embodiments of FIG. recirculation ducts 51, which are interconnected between the corresponding duct of a plurality of them 30 and the fluid container, wherein the valve 61 is disposed between the corresponding one of a plurality of ducts for the supply of fluid 30 and the fluid recirculating conditionally from the corresponding fluid conduit 30 to the fluid container, as fully presented in the related, co-pending application incorporated herein by the above reference. According to one embodiment of the invention, the main manifold 100 includes a second interface 180 with a plurality of outlet ports for re-circulating the fluid 182. Each of the plurality of conduits for the fluid supply 30 is it engages with the corresponding one of a plurality of recirculation ports of the fluid 182 by the corresponding one of a plurality of conduits for re-circulating the fluid 51, which is at least partially disposed in the main manifold 100. A recirculation manifold 600, having a recirculation interface 610, with a plurality of recirculation inlet ports 620 is mounted on the second interface 180 of the main manifold 100, wherein each port of the plurality of recirculation inlet ports 620 of the recirculation manifold 600 is coupled to the corresponding to a plurality of recirculation outlet ports 182 of the main collector 100 when the interface of recirculation 610 of recirculation manifold 600 is coupled to second interface 180 of main manifold 100, as fully presented in the related, co-pending application incorporated herein by the above reference. According to this aspect of the invention, the fluid is circulated again from the fluid supply conduit 30 of the main manifold 100 to the corresponding fluid return conduit 40 of the main manifold 100 by means of an individual fluid blocking plate 200 and 400 of the type shown in FIGURES 1, 3, 7 and 8, without involving or utilizing the conditional recirculation characteristics of the one-way valves 61 and the fluid recirculation conduits 51, whose characteristics are most useful for regulating the fluid supplied by the main manifold 100 to the fluid dispensing nozzles coupled to the plates with adapter for the direct fluid flow nozzles, individual 200 and 400 in FIGURES 4 and 6 and to the valve-actionable nozzle modules such as the MR-1300®. However, an obstruction of the fluid recirculating from the fluid blocking plate 200 or 400 can result in a sufficient increase in fluid pressure to involve or utilize the fluid recirculation characteristics provided by the one-way valves and the fluid conduits. fluid recirculation 51. While the above written description of the invention allows anyone skilled in the art to make and use what is hereby considered to be the best form of the invention, they will appreciate and understand the existence of variations, combinations, modifications and equivalents within the spirit and scope of the specific exemplary embodiments presented in the invention. Therefore, the present invention is not limited by the specific exemplary embodiments presented therein but by all embodiments within the scope of the appended claims.

Claims (10)

1. Claims 1. A system useful for dispensing fluids including heat-melt adhesives supplied from a container to a substrate, the system comprising: a fluid measuring device having a plurality of outputs for fluid measured to deliver fluid from the container; a main manifold having an end portion with a plurality of fluid outlet ports and a corresponding plurality of ports for the return of fluid, a plurality of conduits for supplying the fluid which are coupled to its corresponding one of the plurality of ports of outlet for the fluid to the outlet for the corresponding measured fluid from the fluid measuring device, and a plurality of fluid return conduits that engage their corresponding one of a plurality of ports of fluid return to the container; and at least one plate for the fluid inlet to the plate at the interface for the plate fluid which is mounted on the end portion of the main manifold to be coupled to the fluid inlet port of the plate of the plate for the flow control of the fluid towards the corresponding one of the plurality of ports for the fluid outlet of the main manifold, and the plate for the control of the flow of the individual fluid having a port for the exit of the fluid from the plate towards the port of entrance of the plate fluid through a conduit for the flow of the plate fluid. The system according to claim 1 wherein the plate for controlling the flow of the individual fluid is an individual fluid blocking plate having a port for the exit of the fluid from the plate at the fluid interface of the plate, the port for the fluid outlet of the plate is coupled to its corresponding one of a plurality of ports for the return of the fluid at the end portion of the main manifold, wherein the fluid supplied to the individual fluid blocking plate by the corresponding one of a a plurality of conduits for supplying the fluid of the main manifold is directed towards the corresponding one of a plurality of conduits for the return of the fluid from the main manifold. The system according to claim 1 wherein the plate for controlling the flow of the individual fluid is a plate of the nozzle adapter for the flow of the fluid having a port for the exit of the fluid from the plate in an interface of the nozzle adapter, wherein the fluid supplied to the adapter plate of the nozzle for the flow of the fluid through the corresponding one of a plurality of conduits for the supply of the fluid of the main manifold is directed towards the port for the outlet of the fluid of the plate at the nozzle adapter interface of the nozzle adapter plate for fluid flow, and wherein the fluid interface of the nozzle adapter plate for the individual directed flow is coupled to the portion end of the main manifold to block the corresponding one of a plurality of return ports of the fluid in the end portion of the main manifold. The system according to claim 1, further comprising a plurality of conduits for re-circulating the fluid, each fluid recirculation conduit being interconnected between the corresponding one of a plurality of conduits for the supply of the fluid and the container , and a plurality of valves of one direction, each of these valves is arranged between the conduits for the supply of the corresponding fluid and the container for the conditional recirculation of the fluid from the conduits for the supply of the corresponding fluid to the container. 5. The system according to claim 4 further comprising a second interface in the main manifold having a plurality of ports for the exit of the fluid, each of the plurality of conduits for the supply of fluid to the corresponding one of a plurality of ports for the recirculation outlet of the fluid by the corresponding one of a plurality of conduits for the recirculation of the fluid at least partially arranged in the main manifold, and a recirculation manifold having an interface with a plurality of ports for the recirculation inlet, each of the plurality of ports for the recirculation of the recirculation manifold is coupled to the corresponding one of a plurality of ports for the recirculation outlet of the recirculation. flow of the main manifold when the recirculation interface of the recirculation manifold is coupled to the second interface of the main manifold. 6. A system useful for dispensing fluids including heat-melt adhesives supplied from a container to a substrate, the system comprising: a fluid measuring device having a plurality of outlets for the fluid measured to supply fluid from the container; a main manifold having an end portion with a plurality of ports for the exit of fluid and a port for the return of the fluid, a plurality of conduits that are coupled to the corresponding one of a plurality of ports for the exit of the fluid towards the exit of the corresponding measured fluid of the fluid measuring device, and a conduit for the return of the fluid that is coupled to the port for the return of the fluid into the container; a plate for the return of the common fluid having a first interface with a plurality of ports for the inlet for the returning fluid coupled to the port for the entrance of the returning fluid, in a second interface of the plate for the return of the common fluid , the second interface of the plate for the return of the common fluid that is mounted on the end portion of the main manifold to be coupled to the ports for the return of the common fluid from the plate for the return of the common fluid to the return ports of the fluid from the main collector; a plurality of plates for the flow of the individual fluid, each plate for controlling the flow of the fluid has a fluid inlet ports of the plate in the first interface of the plate mounted on the end portion of the main manifold for coupling the port for the fluid inlet of the plate of the plate for the control of the flow of the individual fluid towards the corresponding one of a plurality of ports for the exit of the fluid of the main collector and each plate for the control of the flow of the individual fluid has a port of exit for the fluid of the plate coupled to the port for the entrance of the fluid of the plate through the conduits for the flow of the fluid of the plate. The system according to claim 6, wherein at least one of the plurality of plates for controlling the flow of the individual fluid is an individual fluid blocking plate having a port for the fluid exit of the plate in the second interface of the plate, the port for the fluid exit of the plate coupled with the corresponding one of a plurality of ports for the return of the fluid back to the first interface of the plate for the return of the common fluid, wherein the fluid supplied to the blocking plate of the individual fluid by the corresponding one of a plurality of conduits for the supply of fluid from the main manifold is directed to the conduits for the return fluid of the main manifold. The system according to claim 6 wherein at least one of the plurality of plates for controlling the flow of the individual fluid is a nozzle adapter plate for fluid flow having a port for fluid exit from the plate in the third interface, the nozzle adapter for the flow of the direct, individual fluid has a second interface of the plate, wherein the fluid supplied to the adapter plate of the nozzle for the flow of the fluid through the corresponding a plurality of conduits for the supply of the fluid from the main manifold is directed towards the port for the exit of the fluid from the plate in the third interface of the plate of the adapter plate of the nozzle for the flow of the direct, individual fluid, and wherein the second interface of the plate is coupled to the first interface of the plate for the return of the common fluid to block the corresponding one of a plurality of ports of return fluid in the first interface of the common fluid plate. The system according to claim 7 further comprising a plurality of fluid recirculation conduits, each conduit for recirculating the fluid is interconnected with the corresponding one of a plurality of conduits for the supply of the fluid and the container, and a plurality of one-way valves, each one-way valve is arranged between the conduit for the supply of the corresponding fluid and the container for the conditional recirculation of the fluid from the conduits for the supply of the corresponding fluid to the container. 10. The system according to claim 7 further comprising a second interface of the main manifold having a plurality of ports for the exit of the recirculating fluid, each of the plurality of conduits for the supply of fluid is coupled to the corresponding one of a plurality ports for the recirculation fluid outlet through the corresponding one of a plurality of conduits for the recirculation of the fluid at least partially disposed in the main manifold, and a recirculation manifold having a recirculation interface with a plurality of ports for the inlet of the recirculation, each of the plurality of ports for the recirculation inlet of the recirculation manifold is coupled to the corresponding one of a plurality of ports for the recirculation outlet when the recirculation interface of the recirculation manifold is coupled to the second interface of the recirculation manifold. main collector.