Cartridge, method of manufacturing a cartridge, dispensing assembly and method of assembling a dispensing assembly
AssigneeSulzer Mixpac AG
InventorsPhilipp Seiler, Richard Lavelanet, Tobias Bodenmüller
Life of this patent
Estimating the term…
Abstract
A cartridge for a material to be dispensed includes a rigid head part having a dispensing outlet and a flexible film forming a cartridge wall, with the film bounding a cartridge chamber for the material to be dispensed, extending at least partially in a longitudinal direction of the cartridge and having a front end that is connected to the head part, wherein the head part has an outer circumferential surface. An inner surface of the front end of the film is sealingly and non-releasably connected to the outer circumferential surface of the head part.
Claims17
A cartridge for a material to be dispensed, the cartridge comprising:
- a rigid head part having a dispensing outlet;
- and
- a flexible film forming a cartridge wall, with the film bounding a cartridge chamber for the material to be dispensed, the film extending at least partially in a longitudinal direction of the cartridge and having a front end that is connected to the head part, the head part having an outer circumferential surface, the outer circumferential surface comprising formations, an inner surface of the front end of the film sealingly and non-releasably connected to the outer circumferential surface of the head part and to the formations present at the outer circumferential surface of the head part, the formations comprising a ring recess formed in the outer circumferential surface that circumferentially extends around the outer circumferential surface perpendicular to the longitudinal direction of the cartridge.
A cartridge for a material to be dispensed, the cartridge comprising:
- a rigid head part having a dispensing outlet;
- and
- a flexible film forming a cartridge wall, with the film bounding a cartridge chamber for the material to be dispensed, the film extending at least partially in a longitudinal direction of the cartridge and having a front end that is connected to the head part, the head part having an outer circumferential surface, the outer circumferential surface comprising formations, an inner surface of the front end of the film sealingly and non-releasably connected to the outer circumferential surface of the head part and to the formations present at the outer circumferential surface of the head part, the formations comprising one or more ribs projecting from the outer circumferential surface.
A cartridge for a material to be dispensed, the cartridge comprising:
- a rigid head part having a dispensing outlet;
- and
- a flexible film forming a cartridge wall, with the film bounding a cartridge chamber for the material to be dispensed, the film extending at least partially in a longitudinal direction of the cartridge and having a front end that is connected to the head part, the head part having an outer circumferential surface and a collar, the outer circumferential surface comprising formations, an inner surface of the front end of the film sealingly and non-releasably connected to the outer circumferential surface of the head part and to the formations present at the outer circumferential surface of the head part, and the collar surrounding the dispensing outlet in a radially outer region of the head part, extending in the longitudinal direction and defining at least regionally the outer circumferential surface of the head part to which the film is connected.
A dispensing assembly, comprising:
- a cartridge, the cartridge comprising a rigid head part having a dispensing outlet and a flexible film forming a cartridge wall, with the film bounding a cartridge chamber for a material to be dispensed, the film extending at least partially in a longitudinal direction of the cartridge and the film having a front end connected to the head part, the head part having an outer circumferential surface, the outer circumferential surface comprising formations, an inner surface of the front end of the film sealingly and non-releasably connected to the outer circumferential surface of the head part and to the formations present at the outer circumferential surface of the head part, the cartridge comprising one or more cartridge chambers each being filled with a respective material and the dispensing assembly further having a sleeve into which the cartridge is inserted.
A method of assembling a dispensing assembly comprising a cartridge, the cartridge having a rigid head part having a dispensing outlet and a flexible film forming a cartridge wall, with the film bounding a cartridge chamber for a material to be dispensed, the film extending at least partially in a longitudinal direction of the cartridge and the film having a front end connected to the head part, the head part having an outer circumferential surface, the outer circumferential surface comprising formations, an inner surface of the front end of the film sealingly and non-releasably connected to the outer circumferential surface of the head part and to the formations present at the outer circumferential surface of the head part, the cartridge further having one or more cartridge chambers, the dispensing assembly further comprising a sleeve, the method comprising:
- inserting the one or more cartridge chambers into a respective sleeve;
- fixing the one or more cartridge chambers in the respective sleeve by at least one of a press fit and an interference fit between some of the formations present at the respective cartridge chamber and an inner surface of the respective sleeve;
- and
- inserting the cartridge and the sleeve into the dispenser.
Dependencies are inferred from the claim text.