Gravity-actuated lap splicer for seamless roll transitions
A purely mechanical, sensor-free solution for roll transitions using a gravity-actuated Lap Splicer configuration. It eliminates electronic components, reduces maintenance, and ensures efficiency in high-dust or high-speed environments.
Overview
The Gravity-actuated Lap Splicer is an innovative, purely mechanical solution designed to facilitate seamless roll transitions without the need for electronic sensors. By leveraging a gravity-actuated system, this solution ensures reliable performance in high-dust or high-speed environments where electronic components are prone to failure. The dual-feed "handoff" method uses the kinetic energy of a falling roll to drive a seamless transition, reducing waste and maintenance costs.
Technical specifications
Key features:
- Gravity-actuated design: Utilizes a mechanical latch and follower arm to trigger roll transitions based on material depletion.
- Dual-feed handoff: The leading edge of the new roll is guided into a shared nip point, ensuring a smooth transition.
- Sensor-free operation: Eliminates reliance on electronic components, increasing reliability in challenging environments.
- Low maintenance: Designed to be robust and fail-safe, reducing downtime and operational costs.
Technology readiness level
This technology is currently at TRL 3, indicating that it has been proven through analytical and experimental validation. Future validation will follow a phased approach to ensure a 100% success rate in applicable environments. The system is poised for further development and commercial readiness through co-development, licensing, or supply purchase agreements.
About Landi Industries
Landi Industries is an engineering services firm founded in 2016 that provides comprehensive development across mechanical engineering, electrical engineering, and software development. The company operates using a Modified Agile Hardware Development (MAHD) framework and a Test-Driven Development (TDD) philosophy to integrate design, prototyping, simulation, and manufacturing support. By acting as an outsourced R&D partner, Landi Industries assists clients—ranging from startups to publicly traded companies—in transitioning from initial product concepts through to full-scale, retail-ready production. Their technical capabilities span specialized areas such as high-speed circuit design, firmware development for IoT systems, rapid fabrication, and reverse engineering, all backed by expertise in regulatory standards across industries like medical, automotive, and aerospace.
The firm focuses on bridging the gap between complex engineering solutions and business ROI, helping manufacturing leaders reduce waste and optimize operational costs through data-driven process improvements. By offering services that include end-to-end product lifecycle management, DFM (Design for Manufacturing) consulting, and custom fabrication, they enable clients to de-risk projects and achieve critical milestones. Landi Industries emphasizes technical transparency and strategic collaboration, working closely with product leaders to ensure that architectural decisions are aligned with both market needs and long-term business objectives. Their work has supported a diverse array of applications, including specialized thermal management, water sterilization technology, and consumer wearable devices.
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