A porous polytetrafluoroethylene membrane, thermoforming method, and equipment thereof

The present invention provides a porous polytetrafluoroethylene membrane, thermoforming method, and equipment thereof. Forming a circulating convection hot air in a heating compartment to ensure that all the part of a porous polytetrafluoroethylene membrane is received the same heating temperature....

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Bibliographische Detailangaben
Hauptverfasser:	CHEN, KUONG, CHANG, ROGER ZHING
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F,C08G AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING CHEMISTRY COMPOSITIONS BASED THEREON COMPOSITIONS OF MACROMOLECULAR COMPOUNDS GENERAL PROCESSES OF COMPOUNDING INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULARARTICLES INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS METALLURGY ORGANIC MACROMOLECULAR COMPOUNDS PERFORMING OPERATIONS PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL SEPARATION SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDEDFOR SHAPING OR JOINING OF PLASTICS THEIR PREPARATION OR CHEMICAL WORKING-UP TRANSPORTING WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL WORKING-UP
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Beschreibung
Zusammenfassung:	The present invention provides a porous polytetrafluoroethylene membrane, thermoforming method, and equipment thereof. Forming a circulating convection hot air in a heating compartment to ensure that all the part of a porous polytetrafluoroethylene membrane is received the same heating temperature. Set a heating plat which can radiate a far-infrared ray to generate a secondary heating effect. The thermoforming method of porous polytetrafluoroethylene membrane not only can maintain a uniformity temperature inside the heating compartment, saving the consumption of energy, but also stabilize the quality of the polytetrafluoroethylene porous film.