The invention describes an advanced mixing and metering technology with online analytics for a supply of formulated liquid thermosetting resins into an open or closed mold. The application addresses where a precise control of the composition of formulated components is required. Composite structures used in primary and secondary structural aerospace applications manufactured in Infusion or RTM processes are possible examples.

Dispensing system for dispensing a mixture of a first component and a second component, the dispensing system comprising: (i) a dispensing gun comprising an inlet body with a first passage for feeding in the first component under pressure and a second passage for feeding in the second component under pressure, the first and second passages respectively comprising a closable first outlet and a closable second outlet, which may be operable by means of a handle or trigger of the dispensing gun; (ii) a static mixing nozzle, detachably connectable to the outlets of the body and provided for mixing and dispensing the components, the static mixing nozzle comprising a first section containing a first chamber and a second chamber for conducting the first and second component respectively and a second section, subsequent to the first section (in forwards flow direction), containing a mixing chamber with static mixing elements which promote mixing the first and second components and conducting the mixture to a nozzle tip serving as an outlet for the mixture. According to the invention, at least one of the first and second chambers of the static mixing nozzle contains a series of static backflow prevention elements, arranged for hindering backflow of the respective component within the respective chamber.

A system (1) for distributing resin (3), the system (1) including at least one supply of resin (3a,3b), at least one conduit (5a,5b) operatively connectable to a corresponding supply of resin (3a,3b), and at least one pump (7a,7b) operatively connectable to each conduit (5a,5b) for pumping resin (3) from the corresponding supply of resin (3a,3b). The system (1) also includes a driving assembly (9) operatively connectable to each pump (7a,7b) for driving the same, the driving assembly (9) including a transmission assembly (11) being configured specifically depending on the nature of resin (3) to be pumped through each conduit (5a,5b). The system (1) also includes a discharging assembly (13) operatively connectable to each conduit (5a,5b) for discharging resin (3) out from the discharging assembly (13), the discharging assembly (13) being also operatively connectable to the driving assembly (9) for selectively and adjustably controlling operating parameters of each pump (7a,7b). Also described is a resin reservoir bag to be used for with the resin distributing system (1).

A system and method to dispense, mix, and inject liquids and force them into a vented investment pattern mold cavity comprises a source of raw materials in fluid communication with an injection unit for metering and delivering the raw materials. A mixing and injection head receives and mixes the metered raw materials. A movable molding cart upon which an investment pattern mold is mounted is disposed adjacent the injection unit and proximate the mixing and injection head. The movable molding cart includes a fill cup that may be engaged by the mixing and injection head. A displaceable gating tray provides fluid communication with the fill cup and a sprue aligned with an investment port on a lower portion of the investment pattern mold. The system also includes a digital computer control by which the injection process may be controlled.

The invention relates to an injection moulding machine having a coating installation, wherein the injection moulding machine has at least one fixed platen and one movable platen for the fastening of mould tool halves of at least one mould tool, and the coating installation has first pressure-generating and/or first pressure-conducting means for coating components at a first, relatively low pressure level and second pressure-generating and/or second pressure-conducting means for the coating components at a second, relatively high pressure level, wherein at least all second pressure-generating and all second pressure-conducting means are coupled to the movable platen so as to be jointly movable along a movement path of the movable platen.

Methods and mechanisms for mixing and dispensing multipart materials is provided. The methods and mechanisms may be used for mix on demand operations as well as for encapsulation of electronic components. The methods and mechanisms may incorporate a mixer assembly from which material is substantially directly dispensed. The methods and mechanisms may incorporate mix on demand where first and second material supply sources include pumping arrangements for pumping first and second materials through a mixing arrangement. The pumping forces provided by the pumping arrangements also provide the force to dispense the mixed material where it will ultimately be formed, such as a potting location or a mold.

A device for polymerizing lactams in molds includes a hopper for storing solid lactam and a lactam feeding component that includes a plasticizing screw so as the lactam to be melted and simultaneously taken in a dosed manner to a mixing chamber. The device further includes a first dosing component to feed a liquid initiator, and a second dosing component to feed a liquid activator. The mixing chamber is configured to receive in a dosed manner the lactam, the initiator, and the activator from the feeding and dosing components. The mixing chamber has three separate inlets to receive, separately, the lactam, the initiator, and the activator, to allow them to flow into the mixing chamber coming into contact with one another for the first time, at the moment immediately prior to entering into a mold located adjacent the chamber and arranged for the polymerization reaction to take place inside the mold.

The invention relates to a mixer insert having a support rod element and at least one vortexing element and a rotary drive connection structure, wherein the mixer insert, for insertion into a tubular passage element, and together therewith, is adapted to a device for mixing at least two fluid components to be placeable by means of the rotary-drive connection structure in drive connection with a driveshaft of the device, when the mixer insert is inserted into the passage element and the passage element is placed in fluid-tight flow connection with at least two component feed lines of the device, characterized in that the rotary-drive connection structure has a bore hole having a bore hole wall which are adapted to a thread on the driveshaft in such a manner that the bore hole, for producing the drive connection, can be screwed onto the thread, wherein the bore hole wall is shaped by the thread. The invention also relates to such a device for mixing and also to a system of such a device and such a mixer insert.

A system (1) for distributing resin (3), the system (1) including at least one supply of resin (3a,3b), at least one conduit (5a,5b) operatively connectable to a corresponding supply of resin (3a,3b), and at least one pump (7a,7b) operatively connectable to each conduit (5a,5b) for pumping resin (3) from the corresponding supply of resin (3a,3b). The system (1) also includes a driving assembly (9) operatively connectable to each pump (7a,7b) for driving the same, the driving assembly (9) including a transmission assembly (11) being configured specifically depending on the nature of resin (3) to be pumped through each conduit (5a,5b). The system (1) also includes a discharging assembly (13) operatively connectable to each conduit (5a,5b) for discharging resin (3) out from the discharging assembly (13), the discharging assembly (13) being also operatively connectable to the driving assembly (9) for selectively and adjustably controlling operating parameters of each pump (7a,7b). Also described is a resin reservoir bag to be used for with the resin distributing system (1).

A mixing device is provided for a closed resin infusion process. The mixing device includes a bulk mixing head with a mixing cavity, at least two separate non-return valves for opening and closing a respective channel for providing material to be mixed running into the mixing cavity. A removable flange is provided for closing the mixing cavity comprising a fitting for mounting the mixing device to a static mixer. At least one heating element is provided for curing the hardable material mixture in the mixing cavity if need be.