Multiple orifice slot dies
The use of a slot plate and window shim to create a flow channel in multiple orifice dies addresses the challenge of non-uniform coating by ensuring uniform flow across the die width, enhancing coating uniformity and reducing costs and complexity.
WO2026133133A1PCT designated stage Publication Date: 2026-06-253M INNOVATIVE PROPERTIES CO
Patent Information
- Authority / Receiving Office
- WO · WO
- Patent Type
- Applications
- Current Assignee / Owner
- 3M INNOVATIVE PROPERTIES CO
- Filing Date
- 2025-12-16
- Publication Date
- 2026-06-25
Smart Images
Figure IB2025062960_25062026_PF_FP_ABST
Abstract
Multiple orifice slot dies that include a flow channel are described. The flow channel is formed between a slot plate and a face plate separated by a window shim. Methods of designing the flow channel height and length to improve flow uniformity are also described.
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