IT1247670B - Device to facilitate initial draft of flues
- Google Patents
Device to facilitate initial draft of flues
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Publication number
IT1247670B
IT1247670BIT08502590AIT8502590AIT1247670BIT 1247670 BIT1247670 BIT 1247670BIT 08502590 AIT08502590 AIT 08502590AIT 8502590 AIT8502590 AIT 8502590AIT 1247670 BIT1247670 BIT 1247670B
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Application filed by Pierfrancesco LattuadafiledCriticalPierfrancesco Lattuada
Priority to IT08502590ApriorityCriticalpatent/IT1247670B/en
Publication of IT9085025A0publicationCriticalpatent/IT9085025A0/en
Publication of IT9085025A1publicationCriticalpatent/IT9085025A1/en
Application grantedgrantedCritical
Publication of IT1247670BpublicationCriticalpatent/IT1247670B/en
The present invention concerns a device 1 to facilitate initial draft of flues. It consists of an electrical resistor 5, preferably of the type wound in a coil inserted within said flue. This electrical resistor 5 is connected to a length of pipe 2 equipped on its ends with a female joint 3 and a male joint 4 which are capable of permitting series connection of the length of tube 2 to the flue. This length of tube 2 is equipped on the outside with a heat insulating coating 7.
IT08502590A1990-12-211990-12-21Device to facilitate initial draft of flues
IT1247670B
(en)
CONNECTION ELEMENT FOR CORRECT CONNECTION OF THE COAXIAL PIPES OF WATERPROOF BOILERS, CONVEYING COMBUSTION AIR AND COMBUSTION FUMES RESPECTIVELY WITH ELEMENTS OF SMOKE PIPES, IN A DOUBLE STAINLESS STEEL WALL