Cartridge and multicomponent cartridge

Patent metadata

Field	Value
Publication number	US-9901946-B2
Application number	US-201214236156-A
Country	US
Kind code	B2
Filing date	Aug 20, 2012
Priority date	Oct 17, 2011
Publication date	Feb 27, 2018
Grant date	Feb 27, 2018

Abstract

A cartridge is proposed having at least one reception chamber ( 2 ), which extends in the longitudinal direction, for a medium to be dispensed, having a head part ( 4 ) and a cartridge wall ( 3 ) which bound the reception chamber ( 2 ), wherein a piston ( 8 ) is provided which can be introduced into the reception chamber ( 2 ) at the end remote from the head part ( 4 ) and which is sealingly displaceable along the cartridge wall ( 3 ) in the longitudinal direction, and wherein the cartridge wall ( 3 ) is manufactured from a cardboard and is sealingly connected to the head part ( 4 ). A multicomponent cartridge is furthermore provided by the invention.

First claim

The invention claimed is:

1. A cartridge comprising:
at least one reception chamber configured to dispense a medium and extending in a longitudinal direction, the at least one reception chamber having a head part and a cardboard cartridge wall sealingly connected to the head part, the cartridge wall and the head part bound the at least one reception chamber;
a piston configured to be received by the at least one reception chamber at a first end of the at least one reception chamber opposite a second end adjacent to the head part, the piston being sealingly displaceable along the cartridge wall in the longitudinal direction; and
a supporting ring surrounding the cartridge wall at the first end of the at least one reception chamber, and configured to radially support the cartridge wall so as to maintain a seal between the cartridge wall and the piston during storage, the supporting ring being located within a same axial region as the piston with respect to a longitudinal axis of the cartridge in a state in which the cartridge is filled with the medium from the first end, and the supporting ring being disposed adjacent an exterior of the cartridge wall substantially entirely along a length of the supporting ring the supporting ring including an undercut supporting the cartridge wall in the longitudinal direction and the piston configured to snap over the undercut and to be supported by the undercut.

2. The cartridge in accordance with claim 1 , wherein
the head part is a cardboard member.

3. The cartridge in accordance with claim 1 , further comprising
a first film non-releasably connected to one of an inner surface of the cartridge wall and an inner surface of the head part.

4. The cartridge in accordance with claim 3 , wherein
the first film is disposed on one of the cartridge wall and the head part to form a multilayer structure.

5. The cartridge in accordance with claim 1 , further comprising
a second film non-releasably connected to an outer surface of the cartridge wall.

6. The cartridge in accordance with claim 1 , wherein
the undercut is configured to secure the piston upon insertion into the at least one reception chamber.

7. The cartridge in accordance with claim 1 , further comprising
a connection member connecting the cartridge to a second cartridge.

8. The cartridge in accordance with claim 1 , wherein
the head part includes an adapter having an outlet for the medium.

9. The cartridge in accordance with claim 8 , wherein
the adapter is a plastic member and is connected to the head part.

10. The cartridge in accordance with claim 1 , wherein
the supporting ring is a rigid member configured to enable passage of a piston therethrough into the at least one reception chamber without changing the structure of the supporting ring.

11. The cartridge in accordance with claim 1 , wherein the supporting ring is reusable.

12. A multicomponent cartridge comprising:
at least two cartridges, at least one cartridge of the at least two cartridges comprising
at least one reception chamber configured to dispense a medium and extending in a longitudinal direction, the at least one reception chamber having a head part and a cardboard cartridge wall sealingly connected to the head part, the cartridge wall and the head part bounding the at least one reception chamber,
a piston configured to be received by the at least one reception chamber at a first end of the at least one reception chamber opposite a second end adjacent to the head part, the piston being sealingly displaceable along the cartridge wall in the longitudinal direction, and
a supporting ring surrounding the cartridge wall at the first end of the at least one reception chamber, and configured to radially support the cartridge wall so as to maintain a seal between the cartridge wall and the piston during storage, the supporting ring being located within a same axial region as the piston with respect to a longitudinal axis of the cartridge in a state in which the cartridge is filled with the medium from the first end, and the supporting ring being disposed adjacent an exterior of the cartridge wall substantially entirely along a length of the supporting ring the supporting ring including an undercut supporting the cartridge wall in the longitudinal direction and the piston configured to snap over the undercut and to be supported by the undercut,

the at least two cartridges having an arrangement such that the at least two cartridges are arranged adjacent to one another with respect to the longitudinal direction.

13. The multicomponent cartridge in accordance with claim 12 , wherein
the at least two cartridges are fixedly coupled by a connection member.

14. The multicomponent cartridge in accordance with claim 12 , further comprising
at least one adapter arranged and configured to cooperate with an accessory part, the accessory part being a mixer.

15. The multicomponent cartridge in accordance with claim 14 , wherein
the adapter includes an outlet that is configured to cooperate with piercing elements of the mixer to open a flow connection to the at least one reception chamber.

16. The multicomponent cartridge in accordance with claim 12 , wherein
the at least two cartridges each include a reception chamber, each reception chamber being configured to receive mediums of different volumes.

17. A multicomponent cartridge comprising:
at least two cartridges, at least one cartridge of the at least two cartridges comprising
at least one reception chamber configured to dispense a medium and extending in a longitudinal direction, the at least one reception chamber having a head part and a cardboard cartridge wall sealingly connected to the head part, the cartridge wall and the head part bounding the at least one reception chamber,
a piston configured to be received by the at least one reception chamber at a first end of the at least one reception chamber opposite a second end adjacent to the head part, the piston being sealingly displaceable along the cartridge wall in the longitudinal direction, and
a supporting ring surrounding the cartridge wall at the first end of the at least one reception chamber, and configured to radially support the cartridge wall so as to maintain a seal between the cartridge wall and the piston, the supporting ring being located within a same axial region as the piston with respect to a longitudinal axis of the cartridge in a state in which the cartridge is filled with the medium from the first end, and the supporting ring being disposed adjacent an exterior of the cartridge wall substantially entirely along a length of the supporting ring the supporting ring including an undercut supporting the cartridge wall in the longitudinal direction and the piston configured to snap over the undercut and to be supported by the undercut,

the at least two cartridges having a coaxial arrangement such that the at least two cartridges are arranged in one another with one cartridge surrounding the other cartridge.

Assignees

• Ettlin Josef
• Sulzer Mixpac Ag

Inventors

• Ettlin Josef

Classifications

• B05C17/005

  for discharging material {from a reservoir or container located in or on the hand tool} through an outlet orifice by pressure {without using surface contacting members like pads or brushes} · CPC title

• B05C17/00559

  the different components being stored in coaxial chambers · CPC title

• B65D81/325

  Containers having parallel or coaxial compartments, provided with a piston or a movable bottom for discharging contents · CPC title

• B05C17/00553

  with means allowing the stock of material to consist of at least two different components · CPC title

• B05C17/01 Primary

  with {manually} mechanically or electrically actuated piston or the like {(B05C17/00533 takes precedence)} · CPC title