Piercing Nozzle for Caulking Sausage Packages
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Solution Overview
Problem
Existing hand-held caulking guns struggle to controllably dispense material from sausage packages, which are less expensive and more efficient than traditional caulking tubes but lack a suitable piercing nozzle system for precise material delivery.
Innovation Solution
A novel piercing nozzle system with a nozzle end wall, sidewall, and piercing projections designed to pierce and dispense materials from collapsible sausage packages, featuring a retaining wall and a male member with converging bores to facilitate controlled material flow.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of manufacture
If traditional caulking tubes are used, then material can be dispensed, but the packaging is more expensive and less efficient than sausage packages
Solution Approach 1:
The patent introduces an adapter assembly that acts as an intermediary between the sausage package and the dispensing device. The adapter includes a nozzle body with piercing members that interface with the sausage package, while the outer housing interfaces with the dispensing device trigger mechanism. This mediator enables the inexpensive sausage package to work with traditional caulking gun systems.
Solution Approach 2:
The adapter assembly is designed to be universally compatible with both sausage packages and traditional caulking gun dispensing devices. The outer housing receives the trigger mechanism from standard caulking guns, while the inner nozzle body accommodates the sausage package, creating a multi-functional interface that bridges two different systems.
2Productivity
If sausage packages are used without a piercing nozzle system, then packaging cost is reduced, but controllable material dispensing cannot be achieved
Solution Approach 1:
The nozzle system is segmented into distinct functional components: an outer housing that interfaces with the dispensing device, an inner nozzle body that contacts the sausage package, and multiple piercing members with different geometries. This segmentation allows each component to be optimized for its specific function while maintaining overall simplicity.
Solution Approach 2:
The piercing members are pre-configured in the nozzle body to automatically pierce the sausage package when the trigger is pulled. The system performs the piercing action as a preliminary step before material flow begins, ensuring controlled dispensing from the start without requiring manual package opening.
3Manufacturing precision
If simple packaging is used, then manufacturing cost decreases, but precise opening creation for controlled material flow is not achieved
Solution Approach 1:
The piercing members feature locally optimized geometries with specific angles and tip configurations designed to create precise openings in the sausage package. The first piercing member has a different geometry than the second, with each optimized for its specific piercing function, achieving high opening precision without complicating the overall packaging structure.
Data Source
AI summary
A piercing nozzle configured to pierce a material containing package and for dispensing the material contained in the package utilizing a dispensing device. The piercing nozzle includes a nozzle sidewall, a nozzle end wall defining an internal nozzle cavity configured to receive an end of the package, a male portion extending from the end wall, and multiple piercing projections extend into the nozzle cavity. The piercing projections are configured to pierce the package when compressed thereagainst, allowing the material in the package to be dispensed through a nozzle opening. The male portion includes a first section extending from the end wall, and a thread section narrower than the first section. The piercing nozzle can be attachable to a dispensing end of the dispensing device, and a moveable plunger is configured to compress the package against the piercing nozzle.