Coating assembly for coating workpieces with coating material

The integrated coating system addresses the inefficiencies and costs of separate low-pressure and high-pressure applications by incorporating a dual-applicator system with safety features, ensuring efficient and safe coating operations.

EP3936235B1Active Publication Date: 2026-05-27J WAGNER GMBH
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Patent Information

Authority / Receiving Office
EP · EP
Patent Type
Patents
Current Assignee / Owner
J WAGNER GMBH
Filing Date
2020-07-10
Publication Date
2026-05-27

AI Technical Summary

Technical Problem

Existing coating systems require separate low-pressure and high-pressure applications, which are expensive and inefficient for varying workpiece sizes and surface quality requirements, and pose safety hazards due to robust design and high material usage.

Method used

A coating system integrating both low-pressure and high-pressure applicators with a distributor and conveyors, including a low-pressure material feeder and high-pressure material feeder, allowing for safe operation and flexible application modes, with features like check valves and redundant safety mechanisms to prevent pressure hazards.

Benefits of technology

Enables safe and efficient coating of workpieces with both low-pressure and high-pressure applicators, reducing operational costs and enhancing safety through redundant safety mechanisms and flexible operation.

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Abstract

The coating system according to the invention for coating workpieces with coating material comprises a low-pressure material feeder (1) for conveying the coating material (31) at low pressure from a storage container (21). The system also includes a high-pressure material applicator (13) and a high-pressure material feeder (12) for conveying the coating material (31) at high pressure to the high-pressure material applicator (13). Furthermore, a distributor (11) is provided, which has a distributor inlet (11.1) and a first and a second distributor outlet (11.2; 11.3), wherein the distributor inlet (11.1) is connectable to the first distributor outlet (11.2) and the second distributor outlet (11.3). The distributor inlet (11.1) can be supplied with the coating material (31) originating from the low-pressure material feeder (1). The high-pressure material conveyor (12) can be supplied with coating material via the first distributor outlet (11.2).The system also includes a low-pressure material applicator (14) which can be supplied with coating material via the second distributor outlet (11.3).
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