Company Filing History:
Years Active: 1978-1980
Title: Innovations by Harald Collbrunn
Introduction
Harald Collbrunn is a notable inventor based in Spenge, Germany. He has made significant contributions to the field of sewing technology, holding 2 patents that enhance the efficiency and precision of sewing machines. His work focuses on innovative solutions for edge-parallel seaming, which is crucial in the garment manufacturing industry.
Latest Patents
Collbrunn's latest patents include a "Sewing-machine guide for edge-parallel seaming of a workpiece" and a "Workpiece guide device for sewing machines." The first patent describes a system designed for the edge-parallel sewing of multiple fabric layers, such as those used in trouser legs and pockets. This invention features a workpiece guide positioned in the needle path, equipped with separators between the layers, and a drag-clamping device that applies a stretching force to the fabric stack. A retracting device is also included, which withdraws the guide from the clamp's path as it approaches the stitching location.
The second patent outlines a workpiece guide device that facilitates the edge-true seaming of at least two fabric pieces. This device incorporates a vertically disposed linear-guide element on the sewing table, ensuring proper alignment of the edges. Additionally, it features a three-plate stack that can move toward and away from the stitching location, with clamping means to secure the fabric pieces between the plates.
Career Highlights
Throughout his career, Collbrunn has worked with Durkoppwerke GmbH, a prominent company in the sewing machine industry. His experience at this organization has allowed him to develop and refine his innovative ideas, contributing to advancements in sewing technology.
Collaborations
Collbrunn has collaborated with notable colleagues such as Franz Hannemann and Heinz Fransing. Their combined expertise has likely fostered a creative environment that encourages innovation in sewing machine design.
Conclusion
Harald Collbrunn's contributions to sewing technology through his patents demonstrate his commitment to improving the efficiency and functionality of sewing machines. His work continues to influence the industry, making significant strides in garment manufacturing processes.