公开(公告)号：US20150352746A1

公开(公告)日：2015-12-10

申请号：US14763541

申请日：2014-01-21

Applicant: CONCORDIA DEVELOPMENT S.R.L.

Inventor： Gianfilippo Pagliacci

IPC: B29B11/14

CPC classification number: B29B11/14 ,  B29B2911/14013 ,  B29B2911/14486 ,  B29B2911/14493 ,  B29B2911/1464 ,  Y10T428/1397

Abstract: Preform, made of plastic material for the manufacturing of hollow bodies through a blow-moulding process, in which said preform comprises a substantially cylindrical body (1) having an open end (2) and a closed end {4), in which said closed end (4) has an outer surface with a varying curvature which is entirely enveloped within a hemispherical surface having a radius equal to the outer radius (R) of the cylindrical body (1) of the preform, said outer surface with varying curvature being tangent to the hemispherical surface in which it is enveloped in correspondence of the circular crown C and of the preform vertex.

Abstract translation: 预制件由用于通过吹塑工艺制造中空体的塑料材料制成，其中所述预成型件包括具有开口端（2）和封闭端（4）的基本上圆柱形的主体（1），其中所述封闭 端部（4）具有变化的曲率的外表面，其完全包封在具有等于预成型件的圆柱体（1）的外半径（R）的半径的半球形表面内，所述外表面具有变化的曲率为切线 到圆形表面C和预制顶点对应于其包围的半球形表面。

公开(公告)号：US10155326B2

公开(公告)日：2018-12-18

申请号：US14763541

申请日：2014-01-21

Applicant: Concordia Development S.r.l.

Inventor： Gianfilippo Pagliacci

IPC: B29B11/14

Abstract: Preform, made of plastic material for the manufacturing of hollow bodies through a blow-molding process, in which said preform comprises a substantially cylindrical body (1) having an open end (2) and a closed end {4), in which said closed end (4) has an outer surface with a varying curvature which is entirely enveloped within a hemispherical surface having a radius equal to the outer radius (R) of the cylindrical body (1) of the preform, said outer surface with varying curvature being tangent to the hemispherical surface in which it is enveloped in correspondence of the circular crown C and of the preform vertex.