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.

Date of Patent:
Aug. 02, 2022

Filed:

May. 21, 2018
Applicant:

Corning Incorporated, Corning, NY (US);

Inventors:

John Claude Cadotte, Jr., Waterboro, ME (US);

Michael Kurt Schaefer, Gorham, ME (US);

James Mark Seymour, Portland, ME (US);

Andrew Michael Zeimen, Bay City, MI (US);

Assignee:

CORNING INCORPORATED, Corning, NY (US);

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B29C 49/04 (2006.01); B29C 49/24 (2006.01); B29C 49/42 (2006.01); B29C 49/50 (2006.01); B29K 23/00 (2006.01); B29K 25/00 (2006.01); B29L 31/00 (2006.01);
U.S. Cl.
CPC ...
B29C 49/04 (2013.01); B29C 49/24 (2013.01); B29C 49/4278 (2013.01); B29C 49/50 (2013.01); B29C 2049/2412 (2013.01); B29C 2793/009 (2013.01); B29C 2793/0027 (2013.01); B29K 2023/12 (2013.01); B29K 2025/06 (2013.01); B29L 2031/753 (2013.01);
Abstract

A method for producing pipettes () is provided. The method includes extruding a polymer melt into at least one mold segment of a mold assembly () having a plurality of mold segments to form a parison () or preform, wherein the plurality of mold segments () comprise cavities () that are shaped to form pipettes when in communication with the cavity of an adjacent mold segment; forming at least two pipettes in the shape of the mold segment cavities by blow-molding or vacuum forming the parison or preform, each of the at least two pipettes having proximal and distal ends; heating the pipettes to form a locally heated portion of the at least two pipettes; and separating the pipettes by cutting the locally heated portion of the at least two pipettes with separation feature ().


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