Grid runner fitting for refrigerator - fixed by ultrasonic welding technique

A refrigerator has an inner container (1) made of thermoplastic material, and an outer container (2) made of metal sheet. The gap (3) between them is filled with a rigid foam insualtion of PU foam. Plastic grid runners (5) are fitted to the inside walls (4) by fusing their ribs (7) to the wall betwe...

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Bibliographische Detailangaben
1. Verfasser:	STELLER, GERHARD., 3504 KAUFUNGEN, DE
Format:	Patent
Sprache:	eng ; ger
Schlagworte:	AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING BLASTING COLD ROOMS COMBINED HEATING AND REFRIGERATION SYSTEMS COOLING OR FREEZING APPARATUS NOT COVERED BY ANY OTHERSUBCLASS HEAT PUMP SYSTEMS HEATING ICE-BOXES INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULARARTICLES LIGHTING LIQUEFACTION SOLIDIFICATION OF GASES MANUFACTURE OR STORAGE OF ICE MECHANICAL ENGINEERING PERFORMING OPERATIONS REFRIGERATION OR COOLING REFRIGERATORS SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDEDFOR SHAPING OR JOINING OF PLASTICS TRANSPORTING WEAPONS WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
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Beschreibung
Zusammenfassung:	A refrigerator has an inner container (1) made of thermoplastic material, and an outer container (2) made of metal sheet. The gap (3) between them is filled with a rigid foam insualtion of PU foam. Plastic grid runners (5) are fitted to the inside walls (4) by fusing their ribs (7) to the wall between an anvil (6) and an ultrasonic welding head (8). ADVANTAGE - This simplifies the fixing of grid runners.