Abstract: The invention relates to a process for production of a container by blowing or blowing-stretching within a production unit comprising a mold and a nozzle which is designed to close the mold hermetically. The process comprises a sequence of forming with a blowing phase and a phase of degassing. The degassing phase comprises spacing the nozzle from the mold in order to interrupt the hermetic closure. The spacing of the is nozzle carried out (i) after the beginning of the degassing phase, when the pressure in the interior of the container has dropped and has reached an intermediate pressure which is lower than the pressure at the end of the forming sequence, and is between 14 and 3 bars or (ii) after completion of the blowing phase, and within an interval of time of between 0 and 200 ms after the stoppage of the injection of gas into the container.

Abstract: The invention relates to a process for production of a container by blowing or blowing-stretching within a production unit comprising a mold and a nozzle which is designed to close the mold hermetically. The process comprises a sequence of forming with a blowing phase and a phase of degassing. The degassing phase comprises spacing the nozzle from the mold in order to interrupt the hermetic closure. The spacing of the is nozzle carried out (i) after the beginning of the degassing phase, when the pressure in the interior of the container has dropped and has reached an intermediate pressure which is lower than the pressure at the end of the forming sequence, and is between 14 and 3 bars or (ii) after completion of the blowing phase, and within an interval of time of between 0 and 200 ms after the stoppage of the injection of gas into the container.

Abstract: Disclosed is a molding unit for the forming of a container provided with a hollow recess, this molding unit including: a mold provided with a lateral wall defining a cavity and provided with a pocket that comes out into the cavity; and a boxing device. The boxing device includes: an insert mounted in translation relative to the lateral wall between a retracted position in which the insert is retracted into the pocket, and a deployed position in which the insert projects into the cavity outside of the pocket; an actuator integral with the insert and provided with a piston; and an added sleeve, mounted in a complementary recess made in the lateral wall and attached to it, and in which the piston is mounted in translation.

Abstract: Mold base including a base wall and a peripheral side wall which is connected to the base wall by a fillet, this mould base ending with a peripheral upper edge and including ribs forming cavities for grooves for strengthening the base of a container to be formed and which each straddle the fillet, this mould base also including decompression vents hollowed out of the moulding face and which include, for each rib, at least one pair of shallow side channels which extend on either side of the rib and open, at an upper end, on to the peripheral upper edge.

Abstract: Molding unit (1) for the forming of a container (2) provided with a hollow recess (3), comprising: a mold (5) provided with a lateral wall (6) defining a cavity (7) and provided with a pocket (9) that comes out into the cavity (7); a boxing device (11) comprising: an insert (12) mounted in translation in the pocket (9) relative to the lateral wall (6) and provided with at least one passage (81) opening out; an actuator (16) integral with the insert (12) and provided with a piston (17) mounted in a chamber (22) defined in the wall (6) of the mold (5), the piston (17) subdividing the chamber (22) into a rear half-chamber (22A) in communication with a primary fluid duct (46), and a front half-chamber (22B) in communication, on the one hand, with a secondary fluid duct (50) and, on the other hand, with the pocket (9).

Abstract: Mold base including a base wall and a peripheral side wall which is connected to the base wall by a fillet, this mould base ending with a peripheral upper edge and including ribs forming cavities for grooves for strengthening the base of a container to be formed and which each straddle the fillet, this mould base also including decompression vents hollowed out of the moulding face and which include, for each rib, at least one pair of shallow side channels which extend on either side of the rib and open, at an upper end, on to the peripheral upper edge.

Abstract: Disclosed is a molding unit for the forming of a container provided with a hollow recess, this molding unit including: a mold provided with a lateral wall defining a cavity and provided with a pocket that comes out into the cavity; and a boxing device. The boxing device includes: an insert mounted in translation relative to the lateral wall between a retracted position in which the insert is retracted into the pocket, and a deployed position in which the insert projects into the cavity outside of the pocket; an actuator integral with the insert and provided with a piston; and an added sleeve, mounted in a complementary recess made in the lateral wall and attached to it, and in which the piston is mounted in translation.

Abstract: Molding unit (1) for the forming of a container (2) provided with a hollow recess (3), comprising: a mold (5) provided with a lateral wall (6) defining a cavity (7) and provided with a pocket (9) that comes out into the cavity (7); a boxing device (11) comprising: an insert (12) mounted in translation in the pocket (9) relative to the lateral wall (6) and provided with at least one passage (81) opening out; an actuator (16) integral with the insert (12) and provided with a piston (17) mounted in a chamber (22) defined in the wall (6) of the mold (5), the piston (17) subdividing the chamber (22) into a rear half-chamber (22A) in communication with a primary fluid duct (46), and a front half-chamber (22B) in communication, on the one hand, with a secondary fluid duct (50) and, on the other hand, with the pocket (9).

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: Container (1), obtained by blow molding or stretch blow molding of a blank made of plastic material, which comprises a body (2), a shoulder (3) in the extension of the body (2) at an upper end thereof, and a neck (4) in the extension of the shoulder (3), the shoulder (3) being articulated between two stable positions, namely a deployed position in which the shoulder (3) projects from the body (2), and a retracted position in which the shoulder (3) is at least partially retracted into the body (2), the shoulder (3) being articulated in order to be able to adopt, in addition to the deployed position and the retracted position, a third stable position, intermediate between the deployed position and the retracted position.

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: 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: The invention relates to 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), said 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: Container (1), obtained by blow molding or stretch blow molding of a blank made of plastic material, which comprises a body (2), a shoulder (3) in the extension of the body (2) at an upper end thereof, and a neck (4) in the extension of the shoulder (3), the shoulder (3) being articulated between two stable positions, namely a deployed position in which the shoulder (3) projects from the body (2), and a retracted position in which the shoulder (3) is at least partially retracted into the body (2), the shoulder (3) being articulated in order to be able to adopt, in addition to the deployed position and the retracted position, a third stable position, intermediate between the deployed position and the retracted position.

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: 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: Stackable container (1) having a body (2) and a bottom (3) comprising: an annular seat (10) defining a seating plane (11) complementary with a peripheral face (8) provided on a shoulder (4); a conical arch (14) that extends from the seat (10). In this container: an outer transverse extension Dext of the seat and an overall transverse extension D of the body are such that: Dext D ? 0.8 the arch (14) has a peripheral section (17) complementary with a frustoconical surface (7) of the shoulder (4), the seating plane (11) and the peripheral support section (17) define a contact surface, the projection of which on the seating plane (11) has a surface area SC such that: Sc S ? 0.4 where S is the surface area delimited by an outer perimeter (12) of the seat (10).

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 of

Abstract: A thermoplastic container, in particular a bottle, made by blow-molding or stretch blow-molding of a heated preform and including a bell-shaped convex base with its concavity facing outward and provided with reinforcing impressions projecting inward and radiating around a central recess, the impressions having a trapezoid shape with its smaller dimension located toward the center of the base; the impressions include respective arches which form convex trapezoid segments with concavity facing inward and extending from the seat to the central recess by being connected thereto immediately proximate the upper end of the central recess.