Abstract:
A fluid application device (10) having a modular nozzle assembly is provided. The fluid application device includes an applicator head (16) and a modular nozzle assembly fluidly coupled thereto. The modular nozzle assembly includes at least one guide slot (34) configured to receive a strand of material (12), at least one orifice (28) configured to discharge a first fluid onto a respective strand of material, and at least one securing opening extending through the modular nozzle assembly. Each securing opening is configured to receive a releasable securing element (74). The modular nozzle assembly may be a contact nozzle assembly or a non-contact nozzle assembly, and include fluid or air assist for altering a flow of the first fluid.
Abstract:
A fluid application device and method of controlling the dispensing of the from the fluid delivery device are provided. The fluid application device includes a metering device configured to receive the fluid and has one or more metering pumps configured to meter the fluid flowing through each pump, a discrete fluid delivery conduit extending from each metering pump, the fluid delivery conduit configured to receive the metered fluid, and a nozzle assembly fluidically connected to the metering device. The nozzle assembly includes one or more orifices. Each metering pump is fluidically connected to at least one orifice, respectively, of the one or more orifices via a respective delivery conduit. The method includes positioning the metering device upstream from the one or more orifices and controlling a flow rate of the fluid delivered from each metering pump to at least one orifice associated with the metering pump.
Abstract:
A method of forming a disposable hygiene product includes providing a manufacturing line (10) having a back sheet station (12), a core layer station (14) and a top sheet station (16) connected by a conveying system (18), providing a back sheet (20) at the back sheet station, providing a core layer (22) at the core layer station, applying the core layer on the back sheet, providing a top sheet (24) at the top sheet station, and applying the top sheet on the back sheet and core layer. The back sheet station includes a fluid application device (28) configured to discharge a curtain of material to form a polymer film (201), and the back sheet includes the polymer film. A method of forming a back sheet of disposable hygiene product includes positioning a back sheet station in a disposable hygiene product manufacturing line, the back sheet station having a fluid application device and discharging, from the fluid application device, a curtain of material to form a polymer film. A disposable hygiene product manufacturing line includes a back sheet station having a fluid application device configured to discharge a curtain of material to form a polymer film.
Abstract:
A fluid application device (10) includes an applicator head (11), a first fluid passageway extending in the applicator head, a second fluid passageway extending in the applicator head, a plurality of metering devices connected to the applicator head. A first metering device of the plurality of metering devices is configured to meter a fluid to the first fluid passageway and a second metering device of the plurality of metering devices is configured to meter the fluid to the second fluid passageway. The device further includes a plurality of valve modules, each valve module actuatable between an open condition and a closed condition to control flow of the fluid and a nozzle (20) having one or more discharge orifices. At least one orifice of the one or more discharge orifices is positioned downstream from the first passageway and the second passageway to receive the material from both the first and second fluid passageways.
Abstract:
A laminated nozzle assembly (110) is provided. The laminated nozzle includes a first end plate (112) having a first fluid inlet (126) and a second fluid inlet (130), a second end plate (114), a plurality of nozzle plates (116, 118, 120, 122, 124) positioned and clamped between the first end plate and the second end plate, a first fluid conduit (128) in fluid communication with the first fluid inlet formed in one or more of the nozzle plates, a second fluid conduit (132) in fluid communication with the second fluid inlet formed in one or more of the nozzle plates, a first orifice (134) in fluid communication with the first fluid conduit formed in one of the nozzle plates, and a second orifice (136) in fluid communication with the second fluid conduit formed in the same nozzle plate as the first orifice. The laminated nozzle assembly minimizes the number of nozzle plates and includes no more than eight, and preferably no more than five nozzle plates.
Abstract:
A fluid application device (10), strand engagement device (30), and method of controlling the same are provided. The fluid application device (10) includes an applicator head (16) and a nozzle assembly (22). The nozzle assembly (22) includes a guide slot (34) configured to receive a strand of material and an orifice configured to discharge a first fluid on to the strand. The strand engagement device (30) is secured to the applicator head (16) and includes an actuating assembly and an engagement arm connected to the actuating assembly. The engagement arm is configured to engage the strand and move between a first position and a second position in response to actuation of the actuating assembly. The method of controlling the strand engagement device includes receiving an input signal including content, determining the content of the input signal and operating the strand engagement device in response to, and based on the content of, the input signal.
Abstract:
Strand positional guide implements, for use in connection with hot melt adhesive strand coating applicator assemblies, comprise a plurality of V-shaped strand guide slots wherein the apex portions are oriented outwardly away from the hot melt adhesive material dispensing nozzles. Accordingly, an enlarged air space is effectively defined between the plurality of elongated strands and its respective hot melt adhesive material dispensing nozzle such that the plurality of elongated strands are not adversely affected by the heat or thermal radiation generated by or emanating from the hot melt adhesive material dispensing nozzles thereof.
Abstract:
A fluid application device having a modular nozzle assembly is provided. The fluid application device includes an applicator head and a modular nozzle assembly fluidly coupled thereto. The modular nozzle assembly includes at least one guide slot configured to receive a strand of material, at least one orifice configured to discharge a first fluid onto a respective strand of material, and at least one securing opening extending through the modular nozzle assembly. Each securing opening is configured to receive a releasable securing element. The modular nozzle assembly may be a contact nozzle assembly or a non-contact nozzle assembly, and include fluid or air assist for altering a flow of the first fluid. The modular nozzle assembly may be selectively removed from and secured to the fluid application device so that the modular nozzle assembly may be selectively switched between the contact nozzle assembly and the non-contact nozzle assembly.
Abstract:
A fluid application device and method for applying a fluid on strands of material (14) comprises a metering device (12) having a plurality of metering pumps (22); a manifold (36) fluidically connected to and disposed downstream from the plurality of metering pumps (22); a valve module (42) fluidically connected to and disposed downstream from the manifold (36), wherein the valve module (42) includes a plurality of valves; a discrete fluid delivery conduit extending from each metering pump (22); and a nozzle assembly (18) fluidically connected to the metering device (12) via the manifold (36) and the valve module (42), the nozzle assembly (18) having one or more orifices (34); wherein each of the one or more orifices (34) is configured to dispense the fluid onto respective single strands of the strands of material (14); wherein the fluid application device (10) further comprises a motor (40) connected to each metering pump (22) by a single drive shaft such that the plurality of metering pumps (22) operate at a constant output ratio relative to one another, and wherein an output of the fluid from the plurality of metering pumps (22) may be varied by varying an output of the servo or AC motor (40).