Abstract: The invention relates to a container made of plastics material, provided with a body and with a bottom in the continuation of the body at a lower end of the body. The bottom has an oblong curved contour and comprises a seating surface forming a standing plane of the container. The standing plane has an oblong closed curved shape extending along a longitudinal median axis and a transverse median axis. The standing plane also has an arch extending from the seating surface as far as a central zone of the bottom, the arch delimiting a concavity oriented toward the outside of the container.

Abstract: The invention relates to a container made of plastics material, provided with a body and with a bottom in the continuation of the body at a lower end of the body. The bottom has an oblong curved contour and comprises a seating surface forming a standing plane of the container. The standing plane has an oblong closed curved shape extending along a longitudinal median axis and a transverse median axis. The standing plane also has an arch extending from the seating surface as far as a central zone of the bottom, the arch delimiting a concavity oriented toward the outside of the container.

Abstract: The invention relates to a plastic recipient comprising a panel with at least one radius of curvature greater than 100 mm, where the panel has reinforcing means. The reinforcing means includes a peripheral slot defining a reinforcing contour and a plurality of inner slots arranged inside the reinforcing contour. Each inner slot has two ends, where each end opens out into the peripheral slot, or at least one end opens out into another inner slot.

Abstract: Disclosed is a container perform made from plastic material, including: a body; an open neck that extends from the body from which it is separated by a radially projecting flange; a bottom that closes the body opposite the neck; the body having a concave portion in axial cross section, where: B?0.9·A 0.5.C?C??0.95.C in which A is the overall diameter of the body, measured below the flange; B is the outer diameter of the bottom, measured at the junction of same with the body; C is the cumulative height of the body and the bottom, measured from the flange; C? is the height, measured axially, of the concave portion of the body, and the concave portion has, in axial cross-section, on an outer surface, an outer radius of curvature RE such that: 1.5.0?RE?10.

Abstract: Disclosed is a container made of plastic material including a body extending along a longitudinal axis between an opening and a base, the base having: a seat forming a setting plane for the container; a concave arch, rotational around the longitudinal axis and extending from the vicinity of the seat to an amorphous central zone; and stiffening bosses that protrude from the concave arch and that extend radially to the interior of the arch. The stiffening bosses are angularly spaced from one another by alternating first bosses and second bosses that are distributed along: a first annular band in which the first bosses extend; and a third annular band in which the second bosses extend.

Abstract: Disclosed is a container made of plastic material including a body extending along a longitudinal axis between an opening and a base, the base having: a seat forming a setting plane for the container; a concave arch, rotational around the longitudinal axis and extending from the vicinity of the seat to an amorphous central zone; and stiffening bosses that protrude from the concave arch and that extend radially to the interior of the arch. The stiffening bosses are angularly spaced from one another by alternating first bosses and second bosses that are distributed along: a first annular band in which the first bosses extend; and a third annular band in which the second bosses extend.

Abstract: A container (1) made of plastic material, provided with an oblate body (2) and with a bottom (3) in the extension of the body (2) at a lower end thereof, the bottom (3) including: a peripheral base (7) defining an annular standing plane (8) whose contour exhibits, along a long axis, a large dimension A, and, along a short axis perpendicular to the long axis, a small dimension A? that is strictly smaller than the large dimension, a concave arch (13) that extends from the base (7) to a central area (14); wherein the base has: along the long axis, a width C such that: 0.03 ? C A ? 0.1 along the short axis, a width C? such that: 0.05 ? C ? A ? ? 0.15 .

Abstract: A one-piece mold element (3, 7) for a mold (1) for manufacturing containers from blanks of plastic material by blow molding or stretch blow molding. The mold element (3, 7) includes a one-piece molding wall (4, 8) having a raised molding surface (5, 9) bearing the imprint of at least one portion of a container, the molding wall (4, 8) having at least one decompression vent (20) extending therethrough, the hole leading, via an inner opening (21), onto the molding surface (9), which is provided in the form of a slot.

Abstract: Container (1) made of plastic material comprising a body (2) and a petaloid bottom (3) extending the body (2), the bottom (3) comprising a bottom wall (4) that is generally convex towards the exterior, from which feet (5) protrude that are formed by excrescences, the feet being separated side by side by portions of the bottom wall forming hollow valleys (13) that extend radially from a central zone (6) of the bottom to a periphery (7) of the bottom, characterized in that each valley (13) widens out from the central zone (6) towards the periphery (7) and has a concave portion (15) located near the periphery (7).

Abstract: A one-piece mold bottom (7) for a mold (1) for manufacturing containers, includes a molding wall (8) having a raised molding surface (9) bearing the imprint of at least one portion of a container bottom. The mold bottom (7) includes a cavity (27) integrally formed with the mold bottom (7), defined by a surface casing (29) defined entirely by the mold bottom (7) and including an inner surface (31) of the molding wall (8), opposite the molding surface (9) and matching the raised pattern thereof, and a rear surface (32, 33) opposite the inner surface (31). The mold bottom (7) is provided with at least one pair of openings (35; 37) leading into the cavity (27) for circulating a heat-transfer fluid inside the cavity.

Abstract: Disclosed is a container perform made from plastic material, including: a body; an open neck that extends from the body from which it is separated by a radially projecting flange; a bottom that closes the body opposite the neck; the body having a concave portion in axial cross section, where: B?0.9·A 0.5.C?C??0.95.C in which A is the overall diameter of the body, measured below the flange; B is the outer diameter of the bottom, measured at the junction of same with the body; C is the cumulative height of the body and the bottom, measured from the flange; C? is the height, measured axially, of the concave portion of the body, and the concave portion has, in axial cross-section, on an outer surface, an outer radius of curvature RE such that: 1.5.0?RE?10.

Abstract: A container made of plastic material, provided with a body and a bottom extending at a lower end of the body, the bottom including an annular seat extending substantially in the prolongation of the body and defining a seating plane; a concave arch that extends from a zone near the seat to a central zone, the arch including a series of stiffeners that extend radially from the central zone to the seat.

Abstract: Thermoplastic container (1) which after filling and sealing is able to withstand without any substantial deformation to an internal pressure lower than atmospheric pressure, comprising a body (2) with substantially cylindrical upper (3) and lower (4) parts and an intermediate part (5) having a curvilinear triangular cross section and comprising three main faces (6a, 6b, 6c) joined by three edges (7a, 7b, 7c); these edges are rounded, having continuous curvature, joined tangentially to the main faces and have radii of curvature (ra, rb, rc) comprised between approximately 5% and 35% of the largest dimension (D) of the cross section of the lower part (3); the main faces have radii of curvature (Ra, Rb, Rc) greater than the largest dimension (D) of the cross section of the lower part (3).

Abstract: A mold (11) for manufacturing a container (2) having a body (4) and a bottom (6), including: an annular peripheral base (8) defining a positioning plane (9); an arch (10) which extends concavely toward the inside of the container (2) from the base (8), the mold (11) including: a wall (12) having an inner surface (13) forming the cavity of the body (4) of the container (2) and having an opening therethrough, the wall (12) having an edge (23) forming the cavity of the positioning plane (9); a mold bottom (14) which is moveably mounted relative to the wall (12), the mold bottom (14) having an upper surface (15) forming the cavity of the arch (10), and a skirt (19) having an outer radial extension that is strictly lower than an inner radial extension of the positioning plane (9).

Abstract: A plastics container (1) includes a body (2) with a polygonal section which extends along a main axis (X), a shoulder (4) which extends in continuation of the body (2) on an upper side, a neck (5) which extends in continuation of the shoulder (4), and a bottom (3) which extends in continuation of the body (2) on a lower side, the bottom (3) including: an annular seat (9) defining a standing perimeter (10), having a polygonal contour formed from a plurality of sides and vertices, and approximately perpendicular to the main axis (X); a central peg (16) having a side wall (17) that has a generally axisymmetric frustoconical shape about the main axis (X) and which is connected to the rest of the bottom (3) by a connecting fillet (19) which has a radius that is variable in revolution about the main axis (X) of the container.

Abstract: Container made of plastic material comprising a body and a petaloid bottom (3) extending the body from a periphery (7), the bottom (3) comprising a bottom wall (4) that is generally convex toward the exterior, from which feet (5) protrude that define vertices (8) jointly forming a seat inscribed within a seating circle having a diameter (B) whose ratio is less than 4:5 with respect to the diameter (A) of the periphery (7), the feet (5) being spaced apart by portions of the bottom wall (4) forming hollow valleys (12) that extend radially from a central zone (6) of the bottom to the periphery (7), each valley (12) comprising two adjacent sections, namely: a central section (17) that extends from the central zone (6) of the bottom (3) to a junction zone (18) situated directly below the seating circle, and which has, in a radial plane, a first radius of curvature (C); a peripheral section (19), which extends from the junction zone (18) to the periphery (7), and which has, in said radial plane, a second radius

Abstract: A container of plastic material, having a body extending along a principal axis and a bottom in the extension of the body at a lower end thereof. The bottom has an annular seat defining a seating plane; and a conical arch that extends from near the seat towards the interior of the container to a central apex, the arch having in transverse cross-section a star-shaped profile inscribed between two circles, the ratio of the diameters of which is greater than or equal to 0.7.

Abstract: The invention relates to a container made of a plastic material, provided with a body (5) and a bottom (6) extending at a lower end of the body (5), wherein the bottom (6) includes: an annular seat (7) extending substantially away from the body (5) and defining a support surface (8) and an inner annular flange (11) substantially perpendicular to the support surface; a concave arch (13) which extends from an area adjacent to the seat (7) towards a central area (14). The axial dimension H of the flange and the radial dimension L of the support surface are such that: formula (I). 0.6 ? L H ? 1.

Abstract: Container of plastic material having a flattened body and a bottom in the extension of the body having peripheral seat defining a seating plane the contour of which has in the same plane a large dimension A1 and a small dimension A2 that is strictly smaller than the large dimension, and an inner annular cheek substantially perpendicular to the seating plane. The bottom having a concave arch that extends from the seat towards a central zone. A height H of the cheek and a width L of the seating plane are such that 0.5 ? L H ? 2.5 . A transverse extension A of the seating plane and a transverse extension B of the body, measured near the bottom, are such that A B ? 0.85 .

Abstract: A one-piece mould element (3, 7) for a mould (1) for manufacturing containers from blanks of plastic material by blow moulding or stretch blow moulding. The mould element (3, 7) includes a one-piece moulding wall (4, 8) having a raised moulding surface (5, 9) bearing the imprint of at least one portion of a container, the moulding wall (4, 8) having at least one decompression vent (20) extending therethrough, the hole leading, via an inner opening (21), onto the moulding surface (9), which is provided in the form of a slot.