40 years of Wiedemann 1984 - 2024
Directly from the manufacturer
Collapsible cores - Folding units -
Welcome to Wiedemann GmbH!
Your innovative and competent partner for collapsible cores – collapsible cores – collapsible cores
Consulting & conception
We provide you with comprehensive advice on the function and use of your collapsible core. We then create precise 2D and 3D designs that you can integrate directly into your tool planning.
Made to measure
Your drop-in core is manufactured with the utmost precision – from planning to the complete contour. We adapt details exactly to your requirements for perfect results.
Coating & optimization
Depending on the plastic and mould temperature, we have your collapsible core coated and optimize it for maximum durability and efficiency.
Customization & repair
Changes, adaptations or repairs are possible at any time – we adapt your collapsible core to new requirements and optimize threads if necessary.
Precision for perfect demolding
Efficient solutions
Collapsible cores
Collapsible cores enable the precise demolding of undercuts. We manufacture customized solutions for your plastic articles. Find out more about functions, contours and advantages.
What we do
Why we
Wiedemann GmbH has stood for the highest precision in toolmaking since 1984. We are setting global standards in the plastics industry with our innovative collapsible core.
Logo
Logo
Innovation leader
Development of the collapsible core, which is used in the plastics industry.
Individual solutions
Customized collapsible cores for different industries and requirements.
Established worldwide
Many years of success on the international market with first-class customer service.
Logo
Logo
Innovation leader
Development of the collapsible core, which is used in the plastics industry.
Individual solutions
Customized collapsible cores for different industries and requirements.
Established worldwide
Many years of success on the international market with first-class customer service.

Versatile in use, proven worldwide
Our sectors
Since its market launch, the collapsible core has been used in numerous industries to facilitate the demolding of undercuts. The most complex plastic articles are given their shape by the collapsible core.
- Automotive industry
- Electrical industry
- Food industry
- Medical technology
- Furniture industry
- Sanitary technology
- Toy industry
- Control and regulation technology
- Packaging industry
Our blog
Latest news
Stay up to date – here you will find news, specialist knowledge and exciting insights into our technologies and innovations.