公开(公告)号：US20200164564A1

公开(公告)日：2020-05-28

申请号：US16612964

申请日：2018-05-21

申请人： CORNING INCORPORATED

发明人： John Claude Cadotte, Jr. ,  Michael Kurt Schaefer ,  James Mark Seymour ,  Andrew Michael Zeimen

IPC分类号： B29C49/04 ,  B29C49/42 ,  B29C49/50 ,  B29C49/24

摘要： A method for producing pipettes (110, 111, 112) is provided. The method includes extruding a polymer melt into at least one mold segment of a mold assembly (120) having a plurality of mold segments to form a parison (50) or preform, wherein the plurality of mold segments (122) comprise cavities (42) 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 (64, 66, 194, 196).