FOAM SLEEVE FOR SEALING LARGE VOLUMES

DE602023017764T2Active Publication Date: 2026-05-27DDP SPECIALTY ELECTRONICS MATERIALS US LLC +1
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Patent Information

Application Number
DE602023017764
Authority / Receiving Office
DE · DE
Patent Type
Patents
Current Assignee / Owner
Priority Date
2023-04-18
Filing Date
2023-04-19
Publication Date
2026-05-27
Estimated Expiration
2043-04-19

AI Technical Summary

Technical Problem

Existing systems for sealing large volumes or gaps in buildings are inefficient in terms of installation time and raw material waste, particularly when dealing with small cavities such as those between a window and a wall.

Method used

A tube-like envelope with a nonwoven inner layer and semipermeable outer layer, equipped with slots and flow restrictors, is used to contain or supply foamable components, allowing the foam to expand in a desired direction to seal gaps, reducing waste and installation time.

Benefits of technology

The system effectively seals gaps with minimal material waste and reduced installation time, providing an airtight and water-impermeable seal by directing the foam expansion in the desired direction.

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