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US Patent 11491723 Consumable assembly

Patent 11491723 was granted and assigned to Stratasys on November, 2022 by the United States Patent and Trademark Office.

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Is a
Patent
Patent

Patent attributes

Patent Applicant
Stratasys
Stratasys
Current Assignee
Stratasys
Stratasys
Patent Jurisdiction
United States Patent and Trademark Office
United States Patent and Trademark Office
Patent Number
11491723
Date of Patent
November 8, 2022
Patent Application Number
16942292
Date Filed
July 29, 2020
Patent Primary Examiner
‌
William E Dondero
CPC Code
‌
B65H 49/08
‌
B65H 57/12
‌
B65H 57/18
‌
B65D 63/10
‌
B65H 55/046
‌
B65H 55/02

A consumable assembly for supplying filament to a 3D printer includes a spool-less filament coil, a payout tube, and a compressive band. The coil of filament is wound in a configuration having a generally cylindrical outer perimeter and an open interior; the coil has a payout hole extending from an inner layer of the coil to an outer layer of the coil and includes a filament strand configured to be withdrawn through the payout hole in response to a pull force, to thereby withdraw filament from the interior of the coil. The payout tube is disposed in the payout hole and provides a filament port. A compressive band is disposed over the outer layer and is configured to exert a compressive radial force on the coil so that the coil maintains its cylindrical shape without deformation, and the filament strand may be drawn through the filament outlet free of kinks, twists or tangles.

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