摘要:
Plastic container (1), characterized in that it comprises: a rigidified body (5), a bottom (8) extending to a lower end of the container (1) and comprising: an annular base (9) extending substantially perpendicular to the body (5) in the prolongation thereof; an annular step (10) extending from the base (9) towards the interior of the container (1), a recess (12) at the center of the bottom (8) projecting towards the interior of the container (1), a deformable annular membrane (11) in the shape of a spherical cap extending substantially perpendicular to the body (5) between the step (10) and the recess (12).
摘要:
Plastic container (1), characterized in that it comprises: a rigidified body (5), a bottom (8) extending to a lower end of the container (1) and comprising: an annular base (9) extending substantially perpendicular to the body (5) in the prolongation thereof; an annular step (10) extending from the base (9) towards the interior of the container (1), a recess (12) at the center of the bottom (8) projecting towards the interior of the container (1), a deformable annular membrane (11) in the shape of a spherical cap extending substantially perpendicular to the body (5) between the step (10) and the recess (12).
摘要:
Mold for manufacturing, by blowing blanks made of plastic material, containers having a body and a bottom and a wall defining a cavity around a principal axis of the mold and a lateral surface. The wall has, in a lower part, an opening defining a passage for a mold bottom, an upper surface that confers at least in part the shape to the bottom of the container, with said opening having an upper edge. The mold, in any plane containing the axis of the wall: the ratio between a transverse dimension of the upper edge of the opening and a transverse dimension of a lower end of the lateral surface of the wall is greater than 0.95, and the tangent to the lateral surface of the wall, at the lower end thereof, forms with the axis of the wall an angle equal to or less than 30°.
摘要:
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.
摘要:
Container of plastic material, comprising a body and a bottom extending from a lower end of the container, the body having a diameter C at the junction with the bottom, in which container the bottom has: an annular outer seat having a predetermined transverse dimension B such that: 0.95 ≤ B C ≤ 1 a deformable arch that extends into the interior of the annular outer seat and which, in a deployed position, extends to the exterior of the container and defines an annular inner seat having a predetermined transverse dimension A such that: 1.2 ≤ B A ≤ 1.4
摘要:
Bottom (2) of a hollow body obtained by blowing or stretch-blowing a preform of a thermoplastic material, wherein said bottom (2) includes a transverse support surface (4) and, on either side of said transverse support surface (4), a transverse outer edge (5) and a concave inner wall with a transverse central portion (10) comprising a pellet (11) of a low-crystallinity material, said pellet corresponding to the injection point of the perform; the bottom (2) comprises reinforcing ribs (1) having an outer edge (12) adjacent to the outer edge (5) of the bottom (2) as well as an inner edge (13) adjacent to the transverse central portion (10) but not reaching said transverse central portion (10), wherein said reinforcing ribs (1) flare from their outer edge (12) toward their inner edge (13).
摘要:
The invention relates to a bottom of a mould for producing thermoplastic containers, and to a container thus produced. The container (1) produced comprises: a base (4) having a concave peripheral wall (6) extending essentially coaxially to the X-X′ axis, this concavity defining a non null curvature all along the wall (6); an annular region (7) forming a tubular peripheral wall (8) extending essentially coaxially to the X-X′ axis, the transversal radial distance between the X-X′ axis and said wall (8) being longer than the transversal radial distance between the X-X′ axis and any point along the concave peripheral wall (6) of said base (4); and a shoulder (9) forming a connecting region between the base (4) and the annular region (7). The depth of said annular region is between 0.5 and 2%, preferably between 1 and 1.5%, especially 1.2% of the diameter of the annular region (7), and the height of the base (4) is between 5 and 15 mm.
摘要:
The invention relates to a container (1′) made of a thermoplastic material, especially PET, having a body (2′) which, for at least a part of its height, is substantially prismatic in shape with a substantially triangular cross section and with three faces (6) joined by three edges (7), each of which is shaped in the form of a groove (8) which opens outwards and which has a rear wall (9) having a reversed curvature with its convexity being directed outwards.
摘要:
The invention relates to a bottom of a mould (13) for a mould for producing containers, especially bottles, by blow moulding or blow drawing, said containers having a body and a bottom (14) of a container, comprising a peripheral base (15) in the shape of a crown, which is connected on the inside to a central area (16) forming an arch consisting of a plurality of radiating impressions (17) alternating with a plurality of radiating projections which are distributed in an angular and equidistant manner about a central axis (Y) of the bottom (14) of the container. For the moulding of the central area (16) of the bottom (14) of the container, the bottom (13) of the mould comprises: a plurality of radiating projecting branches (19) distributed in an angular and equidistant manner, and extending approximatively radially to the axis (X) of the bottom of the mould; a central core (20) comprising a lateral wall (21) to which the branches (19) are connected; and in-between sections (22) forming cores of angular sectors regularly separating said branches from each other. The bottom (13) of the mould is characterised in that each radiating projecting branch (19) has an upper part (23) in the form of an inclined platform which descends from the centre towards the periphery with at least two points (24, 25) of inflection of the curve.