Sidel Participations

Sylvain Meillerais

Laurent Penet

Michel Boukobza

Laurent Naveau

The invention relates to a container made of plastic material comprising a petaloid bottom having an axis of symmetry and comprising a central dome that projects toward the interior of the container; a series of feet projecting toward the exterior of the container that radiate from the central dome and each of which has a crest path that extends from an external edge of the dome to a peak radially remote from the dome; and a series of valleys each formed as a hollow between successive feet. Each crest path has an internal section extending from the external edge of the dome to a junction at a distance Rfrom the central axis. Each crest path also has an external section extending from the junction tangentially in line with the internal section to the peak. The distances Rand Rare in a ratio where 45%&#x2264;R/R&#x2264;60%.

Container with a petaloid base

Container made of plastic material comprising a body and a petaloid bottom () extending the body from a periphery (), the bottom () comprising a bottom wall () that is generally convex toward the exterior, from which feet () protrude that define vertices () jointly forming a seat inscribed within a seating circle having a diameter (B) whose ratio is less thanwith respect to the diameter (A) of the periphery (), the feet () being spaced apart by portions of the bottom wall () forming hollow valleys () that extend radially from a central zone () of the bottom to the periphery (), each valley () comprising two adjacent sections, namely:

Double-valley petaloid container bottom

The invention relates to a mold base () for a mold that is used for the blow molding or stretch-blow molding of thermoplastic containers () having a petaloid-shaped base. The mold base () includes several cavities () separated by radiating ridges () with concave crests (), the bases () of the cavities () being distributed along a circular contour. As seen radially on either side of the deepest point thereof, each cavity () is defined towards the exterior by a curved surface portion () having a circular arc radial cross-section and towards the interior by a broken-plane surface portion () with at least two slopes that intersect the curved surface portion () at a straight edge (). The plane (T) which contains the aforementioned edge () and which is tangent to the curved surface portion () is perpendicular to the axis () of the mold base. Moreover, the portion of plane () adjacent to the curved surface portion () has a slope (a) of between 12&#xb0; and 8&#xb0; in relation to the tangent plane (T).

Growing community of inventors

Octeville-sur-Mer, France

Sylvain Meillerais