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The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Patent No.:

US 9527245 B1

PDFFull Text
Date of Patent:
Dec. 27, 2016

Filed:

Jan. 21, 2015

Method of 3d printing

Applicant:

Creopop Pte. Ltd., The Central Singapore, SG;

Inventor:

Dmitry Starodubtsev, Tomsk, RU;

Assignee:

CREOPOP PTE. LTD., The Central Singapore, SG;

Attorneys:

TransPacific Law Group

Pavel I. Pogodin, Esq.

Primary Examiner:

Leo B Tentoni

Int. Cl.
CPC ...
B29C 35/08 (2006.01); B29C 41/02 (2006.01); B29C 41/36 (2006.01); B29C 41/52 (2006.01); B29C 67/00 (2006.01); B29C 47/00 (2006.01); B29C 47/08 (2006.01); B29C 47/92 (2006.01); B33Y 10/00 (2015.01); B29K 33/04 (2006.01); B29K 105/00 (2006.01);
U.S. Cl.
CPC ...
B29C 67/007 (2013.01); B29C 35/0805 (2013.01); B29C 47/0002 (2013.01); B29C 47/0811 (2013.01); B29C 47/0813 (2013.01); B29C 47/92 (2013.01); B29C 67/0055 (2013.01); B29C 67/0059 (2013.01); B29C 2947/9258 (2013.01); B29C 2947/92571 (2013.01); B29K 2033/04 (2013.01); B29K 2105/007 (2013.01); B29K 2105/0094 (2013.01); B33Y 10/00 (2014.12);
Abstract

Provided is a method of 3D printing with the use of a heater-free, hand-held 3D printing device such as a 3D printing pen. The method consists of adjusting the extrusion feed rate of the substance through the orifice with the use of a substance feed mechanism to provide curing conditions at which the extruded substance maintains a shape-sustaining state; extruding the substance; and curing the extruded substance to the shape-sustaining state by irradiating the extruded substance outside the device with light-radiation elements such as LEDs. The feed rate of the extrusion is carried out once, experimentally, before multiple practical use of the heater-free 3D printing device. The extrudable substance is a photopolymerizable polymer composition that has kinematic viscosity in the range of 7.00 to 10.00when measured at room temperature by the capillarity method.

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