HOLLOW SHAPED MEMBER AND METHOD FOR ADDING DECOMPRESSION OR VACUUM STRUCTURE OF THE MEMBER

PROBLEM TO BE SOLVED: To achieve high sound insulating properties and heat insulating properties without increasing cost. SOLUTION: An hollow shaped member 4 is provided with front and back plates 1, 2 which are interconnected with a plurality of hollow parts 3. The hollow parts 3 are made to be pre...

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Hauptverfasser:	TSUDA SEIICHIRO, NURII MINORU, YONETANI HIROSHI
Format:	Patent
Sprache:	eng
Schlagworte:	ACOUSTICS ACOUSTICS NOT OTHERWISE PROVIDED FOR BODY DETAILS OR KINDS OF RAILWAY VEHICLES CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TOTRANSPORTATION GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS METHODS OR DEVICES FOR PROTECTING AGAINST, OR FOR DAMPING,NOISE OR OTHER ACOUSTIC WAVES IN GENERAL MUSICAL INSTRUMENTS PERFORMING OPERATIONS PHYSICS PREVENTING DERAILING OF RAIL VEHICLES RAIL VEHICLE SUSPENSIONS, e.g. UNDERFRAMES, BOGIES ORARRANGEMENTS OF WHEEL AXLES RAIL VEHICLES FOR USE ON TRACKS OF DIFFERENT WIDTH RAILWAYS SOUND-PRODUCING DEVICES TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINSTCLIMATE CHANGE TRANSPORTING WHEEL GUARDS, OBSTRUCTION REMOVERS OR THE LIKE FOR RAILVEHICLES
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