Removable extruder cap

A cap for an extruder of a three-dimensional printer is removeable and replaceable on the hot end of the extruder, e.g., for cleaning or other maintenance of the cap or extruder. The cap may be formed of a polymer having a lower thermal conductivity than the hot end of the extruder such that the cap...

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Bibliographische Detailangaben
Hauptverfasser:	Pappas, Michael C, Anantha, Vishnu
Format:	Patent
Sprache:	eng
Schlagworte:	ADDITIVE MANUFACTURING TECHNOLOGY ADDITIVE MANUFACTURING, i.e. MANUFACTURING OFTHREE-DIMENSIONAL [3-D] OBJECTS BY ADDITIVE DEPOSITION, ADDITIVEAGGLOMERATION OR ADDITIVE LAYERING, e.g. BY 3-D PRINTING,STEREOLITHOGRAPHY OR SELECTIVE LASER SINTERING AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING PERFORMING OPERATIONS SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDEDFOR SHAPING OR JOINING OF PLASTICS TRANSPORTING WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
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Beschreibung
Zusammenfassung:	A cap for an extruder of a three-dimensional printer is removeable and replaceable on the hot end of the extruder, e.g., for cleaning or other maintenance of the cap or extruder. The cap may be formed of a polymer having a lower thermal conductivity than the hot end of the extruder such that the cap forms a thermal barrier between the hot end of the extruder and an external environment. Further, the cap may protect the hot end of the extruder from damaging contact with deposited build material (e.g., spatters) as well as other undesirable contact during a three-dimensional printing process.