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US 11,639,241 B2Granted
Method for producing a cartridge and cartridge
AssigneeHilti Aktiengesellschaft
InventorsRalf Willner, Thomas Ayrle, Tobias Donner, Tihomir Tapov
Life of this patent
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Abstract
A cartridge for a dispensing device contains at least one elongate film pouch, which is inherently non-rigid and which has a chamber for receiving a composition. The cartridge also contains a head part for interacting with the film pouch. The film pouch has an opening on a side facing the head part, which is closed by a cover. The cover has a predetermined breaking region. A method can be used for producing such a cartridge.
Claims16
A method for producing a cartridge for a dispensing device, the method comprising:
- providing at least one non-rigid, elongate film pouch which comprises a chamber and an opening, a head part, and a rigid insert having a passage,
- connecting the rigid insert to the at least one non-rigid, elongate film pouch,
- filling the chamber with a composition through the passage, and
- closing the passage with a cover,
- wherein the rigid insert is connected to the head part in a welding process carried out by introducing heat into the cover.
2 more elements
Dependencies are inferred from the claim text.