Swinging doors with compressed air

This is a continuation of co-pending application Ser. My invention relates to door operating systems, and more particularly to automatic operating systems for swinging doors. Automatic operating systems for sliding and swinging sidehung doors are well known in the prior art. Radio-controlled systems are provided.
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US5095654A - Automatic operating system for swinging door - Google Patents

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Pneumatic Door Openers | Automatic Access Ltd

They combine at least one door operator with a control unit and an air compressor. Essentially, pneumatic door openers utilize the power of air under pressure to automatically open a door. The pneumatic system is built around a standard closer so the door will operate manually at all times, opening automatically on activation of a switch, access control system, etc. What sets pneumatic door openers apart from other automatic door openers is that they use air pressure instead of electronics to produce the energy to move a door. This has a number of highly useful applications which means that Automatic Access can provide solutions for pretty much any context where an automatic door is required.
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Pneumatic Operators

The systems are easy to operate and can be installed in libraries, laboratories, and churches. They are also used in areas where hazardous materials are being handled. These doors are intrinsically safe. The compressed air system does not need high voltage or hydraulic fluid to operate and the control panel for the doors can be located up to feet away, which means fewer chances of being exposed to materials that may be hazardous.
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A complete solution for one source of Pneumatic Door operation in which you have a competent and experienced partner with proven track record working for you. Nucon's fully automatic product range is an ideal solution which can fit to your specific application. Nucon will design and supply the complete Operating Mechanism for Pneumatic Door and prove them to your satisfaction. Nucon's products are built in state of the art manufacturing plant with ISO certification and world class technology.
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