Other

Medmix Systems Ag

Sulzer Mixpac Ag

Mixpac Systems Ag

Kuros Biosurgery Ag

Medix Systems Ag

Wilhelm A Keller

Andy Greter

Richard J Wilson

Laurence Richard Penn

Rochus Stoeckli

Ralph Egon Kayser

Rochus Stockli

Samuel Kaufmann

William Brem

Martin Veid

Sung J Chen

The spray assembly of a dispensing device is arranged together with a mixing assembly inside a mixing and spray head, the mixing assembly being arranged before the swirl chamber of the spray assembly, and the mixing and spray head, which forms a unit, being removably attached to a multicomponent dispensing appliance. The result is a more homogeneous spray action, on one hand, and an easy replacement of the head, on the other hand.

Dispensing device with a spray assembly

The invention relates to a discharge device () comprising a tank housing () having at least one outlet () at one end and having a drive means at the opposite end. A connector () can be placed over the outlet () on the discharge device. The connector comprises a releasable mounting device that can be released by manual pressure on two opposite side surfaces of the connector. One guide surface () is provided on each of the two opposite side surfaces, each being oriented diagonally to the longitudinal axis (L) of the discharge device () and spaced in the direction of the discharge device. The connector is placed over the outlet on the discharge device in a mounting position. The guide surfaces () are moved radially toward each other in a released position by pressure (F) on the side surfaces. The guide surfaces thereby slide on an edge () of the discharge device (), and the force is diverted to the edge (), so that the connector () is axially displaced away from the drive direction in the released position.

Connector for a discharge device

A mixing apparatus for mixing at least two components comprises a mixing chamber having a first component and at least one component chamber having a further component. The component chamber is connected to the mixing chamber by a feed line. A negative pressure device generates a negative pressure in the mixing chamber in the starting position. By activating the negative pressure device, the pressure is equalized, whereby the further component is transferred into the mixing chamber. A display apparatus is provided at the component chamber to display a pressure change in the component chamber. The display apparatus is preferably formed by elastic bellows provided at one end of the component chamber, which is disposed opposite of the end of the component chamber following the feed line.

Mixing apparatus having display for pressure change

A discharge apparatus for discharging a fluid product comprises a housing () having an outlet () at a front housing end, a discharge member () which is mounted movably in the housing and the rear end of which protrudes from the rear housing end, and a mixing device () for mixing the fluid product inside the housing. The fluid product is provided in a housing volume () formed between the outlet and the discharge member. The fluid product is discharged through the outlet out of the housing by advancing the discharge member inside the housing from a rear position into a front position in the direction of the outlet. The mixing device comprises a mixing tube (), which is mounted movably between the housing and the discharge member in the housing, and at least one mixing element (), which is provided at the front end of the mixing tube and disposed inside the housing volume.

Apparatus for mixing and discharging a fluid product and related system

The invention relates to a discharge arrangement, comprising a two-component cartridge () and an accessory part, for example, a mixer (). A connecting component () of a connecting device is arranged on each of the two parts. In order to make it easier and simpler to attach the accessory part to and remove the accessory part from the cartridge, one connecting component () comprises an insertion receptacle () and the other connecting component () comprises a connection part () that can be inserted therein in the longitudinal direction, wherein mutually corresponding engagement parts () of a rotational guide placed at an incline in the longitudinal direction are provided on the inner circumference in the insertion receptacle () and on the outer circumference on the connection part (), along which rotational guide the connecting components () can be rotated in one another over an effective connecting section after being inserted into one another and thus can be brought increasingly in or out of engagement with each other.

Discharge arrangement having a connecting device between a multi-component cartridge and an accessory part

An opening device for opening a closed fluid container comprises a housing having a first chamber () for receiving the fluid container () and a second chamber () having an outlet (). A part () of the fluid container that can be separated is arranged in the second chamber. A rotary drum () is rotatably supported in the second chamber. Said drum can be rotated from a starting position into a separating position in which it separates the separable container part from the fluid container. The rotational axis of the rotary drum is disposed at an angle to the connecting axis between the first and second chambers. A system for mixing at least two components uses such an opening device and a mixing container () having a connecting piece (), to which the opening device is removably connected to establish a fluid connection.

Device for opening a closed fluid container

The static mixer has a coupling section and a mixer housing in which mixer elements are arranged consecutively in the flow direction so as to be offset relative to one another by an angle, and are designed so as to apply an alternatingly directed rotation to the mixed material during the mixing operation. A mixer element has two transversal walls that are divided into sectors, the first transversal wall comprising sectors that are separated by an inflow separating wall directed to the inlet, and a separating wall directed to the outlet, the transitions between the sectors and the separating wall forming respective breakaway edges, the separating wall being arranged at an angle relative to the inflow separating wall, and the second transversal wall, which is divided into sectors, having an outflow separating wall directed to the outlet. Such a mixer allows a more efficient mixture particularly of very quickly reacting components and is also suitable for small dimensions as used in medicine.

Static mixer

The dispensing assembly comprises a double cartridge having two storage containers with bags placed therein, a mixer that is connectable to the cartridge, and an opening means acting upon the bag. The opening means is arranged on the mixer housing and rotatable with respect to the cartridge and in one exemplary embodiment has a cutting member with two knife-edges that are arranged essentially parallelly to and spaced apart from the longitudinal axis and provided with cutting edges. Thanks to the rotatable knife-edges, such a cutting member allows a clean and predetermined opening of the bags and a dispensing operation with minimum pressure losses and lost volumes.

Dispensing assembly comprising a cartridge with bag

A dispensing assembly includes a double cartridge having two storage containers with bags placed therein, a mixer that is connectable to the cartridge, and an opening device acting upon the bag. The opening device is arranged on the mixer housing and rotatable with respect to the cartridge and has a cutting member including two knife-edges that acts essentially perpendicular to the longitudinal axis of the bags within the cartridge. Due to the knife-edges being rotatable and arranged laterally with respect to the bags, the cutting member allows a clean and predetermined opening of the bags and a dispensing operation with minimum pressure losses and lost volumes.

A dispensing appliance for a double cartridge comprises a housing for receiving multiple components and a rotatable portion having a thread, the two parts cooperating in such a manner that by rotating the rotatable portion, a multiple plunger acting upon the pistons in the housing is continuously displaceable relative to the housing in the dispensing direction. To this end, the housing is configured to comprise at least two adjacent storage containers, and the thrust force of the rotatable portion is directly transmitted to a multiple plunger. The rotatable portion may have an internal thread and the double plunger a feed flange with a corresponding external thread, in order to actuate the latter in the axial direction upon rotation of the rotatable portion. This arrangement allows dispensing even highly viscous materials with little manual force under high pressure in a precisely metered manner.

Multiple cartridge dispenser with rotating driver

The dispensing assembly with a syringe comprising storage container configured to receive a powdery or granular material and a piston that is connected to a hollow ram. In order to supply a liquid to the powdery or granular material, both the hollow ram and the piston have through-going, sealable longitudinal bores. Due to the fact that the liquid is filled in from the inlet side, a complete de-aeration of the mixture can be ensured.

Syringe with a piston

A dispensing assembly for two components including a double syringe, a mixer, and a transfer device interposed between the double syringe and the mixer. The transfer device () includes a transfer unit with a transfer tube having a mixer at one end and a coupling area with an inlet portion at the other end. The coupling area is provided with coupling means which cooperate with coupling means on the double syringe. At least around the coupling area of the transfer unit, a support is arranged which is attachable to the double syringe.

Dispensing assembly for two components with double syringe and mixer

A discharge apparatus comprising at least one container () is provided, said container receiving a component and having an outlet () and a discharge element (). The discharge apparatus further comprises a rotating device, which has a drive member () and a rotating member (), wherein upon a rotation of the rotating member relative to the drive member the drive member is moved in the axial direction and drives the discharge element in the at least one container for discharging the components. A housing element () is provided, on or in which the at least one container (), the drive member (), and the rotating member () are disposed, wherein at least the at least one container () can be removed or is provided in the housing element (). The rotating device, together with the housing element, forms an accessory for the container.

Discharge apparatus comprising rotating device

The dispensing assembly includes a cartridge having at least two containers and accessories. The fastening area () of the cartridge () and the fastening areas () of the accessories () are configured such that the accessories are attachable to the cartridge by plugging them on without a twisting motion and removable therefrom by twisting them one relative to another. In a further developed embodiment, the parts comprise coding elements which serve as aligning means and for preventing that the accessory is plugged onto the cartridge in the wrong orientation. An assembly of this kind allows an easy attachment and removal of an accessory such as a mixer or a closure cap and can be produced inexpensively.

Dispensing assembly having removably attachable accessories

A dynamic mixer for mixing components in different volumetric amounts comprises a rotor housing which is closed on the inlet side thereof by a cover, the cover defining inlets for the components. The inlet for the first component having the larger volumetric amount leads to an antechamber that communicates with a following mixing chamber by at least one passage. The mixing rotor includes a distributor body located in the antechamber for distributing the first component around the axis of rotation of the mixing rotor. The inlet for the second component having the smaller volumetric amount leads to at least one inlet opening located in the area of the passage to the mixing chamber transversely to the axis of rotation.

Growing community of inventors

Merlischachen, Switzerland

Wilhelm A Keller