Abstract: Sachet comprising: a first and a second wall (10, 20), a closure assembly (3) comprising a first and a second support web (30, 32) that are connected to the first and the second wall (10, 20), respectively, and each have a closure element (34), the first support web (30) being connected discontinuously along its length to the first wall (10) of the sachet (1) so as to form at least one passage (40) between this first support web (30) and the first wall (10) of the sachet (1) from the outside of the sachet (1), said passage (40) allowing local deformation of the first support web (30) for modifying the relative local orientation of the closure elements (34) while the walls (10, 20) are being moved apart and making it easier to separate the closure elements (34).

Abstract: A form-fill-seal machine and a method for manufacturing and filling a bag (100) having a drawstring tape or cord. The form-fill-seal machine includes a device to guide a film on the machine. A conveying device positions at least one drawstring tape or cord on the film. A folding device folds the film to form a first sheet and a second sheet of the bag. First and second welding jaws weld the first sheet and the second sheet to close two sides of the bag and leave a third side of the bag open. A filling chute fills the bag by the third side of the bag. Third welding jaws close the bag by sealing the third side.

Abstract: Sachet having a concealed opening, comprising: a first and a second wall (10, 20), a closure assembly (3) comprising a first and a second support web (30, 32) that are connected to the first and the second wall (10, 20), respectively, and each have a closure element (34).

Abstract: The invention relates to a bag (1) comprising: —two walls (10, 20), —two support webs (12, 22), each comprising at least one complementary section (3), an upper edge (12a, 22a), —two extension webs (14, 24), each comprising an upper part (14a, 24a) fixed to a respective wall (10, 20) of the bag (1) close to the mouth (5), and a lower part (14b, 24b) that is movable with respect to said wall (10, 20), the support webs (12, 22) being fixed to a respective wall (10, 20) by way of a respective extension web (14, 24) away from their upper edge (12a, 22a), such that the traction on the walls (10, 20) of the bag (1) when the complementary sections (3) are in contact causes the support webs (12, 22) to rotate about said complementary sections (3).

Abstract: The invention relates to a method for manufacturing (S) a bag (3) by means of blown film extrusion, including the following steps: extruding (S2) plastic such as to form an annular film (2) including closing assemblies (10, 20), said annular film being intended to form the walls of the bag; and blowing (S5) the annular film such as to form a sheath, the complementary profile sections (14, 24) of each of the closing assemblies (10, 20) being integrally formed with a base (18, 28) connected to the annular film (2) via a connection rod (19, 29) that extends parallel to the longitudinal axis (X) between the annular film (2) and the base (18, 28) and is designed to keep the base (18, 28) separated from the annular film (2).

Abstract: The present invention relates to a device for closing bags or the like, including two complementary profile members (A, B), characterized in that each of the two complementary profile members includes at least two profiled attachment elements (112, 114, 116, 118) for which form a multiple closure, in that said profiled elements for attachment have flattened portions (300) distributed over the length thereof, and in that said profiled attachment elements are supported by at least one respective support mat (102, 104) on which said profiled attachment elements are integrally formed, wherein the support mat is to be attached onto a support wall (500) and has a width (14) that is greater than the total width (13) of the profiled attachment elements.

Abstract: The present invention concerns a bag comprising a closing assembly (100) comprising two complementary elements (110, 120) supported by respective webs (112, 122) at least one of which is integral with a film (10) at a zone (114) located not superimposed on the corresponding closing element (110) in order to allow articulation of said web (112) on the film (10), characterized by the fact that the articulated web (112) extends beyond the closing element (110) such that upon engagement of the closing elements (110, 120), the end (115) of the articulated web (112) bears on a structure (20) opposite it.

Abstract: The present invention relates to a closure device for bags or the like comprising two complementary profiled elements (110, 210), characterized in that it involves sequential squeezing (300), of the two engaged profiled elements (110, 210), in a direction perpendicular to the support webs (100, 200).

Abstract: The invention relates to a packaging bag comprising at least one flap (24, 28) which is folded against one face of the bag body (10) and which is held in position by means of a removable linking element (30, 32). The invention is characterized in that the bag also comprises an element (50) which is designed to ensure that the bag can be opened and reclosed, which extends transversely to the fold line (22) of the flap and which covers the entire width of said flap (24, 28) and at least a substantial part of the bag body.

Abstract: This present invention concerns a closure assembly that has two complementary elements which are capable of being successively joined and separated, and a slider that includes a base, two lateral walls, a low central ridge and a soleplate connected to the low central ridge, characterized by the fact that at least one of the two elements has, on its inside surface, a structure that is capable of being pressed against the soleplate under the effect of a pulling force so that, under the effect of this force, the said element tends to be flattened against the associated lateral wall of the sider.

Abstract: A closure strip for a bag. Two supporting webs are provided, on their internal surfaces facing each other and at a distance from their longitudinal edges, with at least one longitudinal closure assembly. Each web has an upper portion, extending longitudinally in an upper portion thereof, and a lower portion, extending longitudinally in a lower portion of these. At least one of the webs includes internal faces which correspond to the faces of the upper and lower portions made in materials having different melting temperatures. The melting temperature of the material of the upper portion is less than the melting temperature of the material of the lower portion. The closure strip also includes a line of weakening which extends longitudinally in an intermediate area of each web. The intermediate areas are made of a third material having a lower tensile strength than the upper and lower portions.

Abstract: A sachet has a body, the inner space of which is notably delimited by two sheets forming its main walls, and which includes complementary closing profiles respectively attached on these sheets as well as a cursor for actuating the profiles upon closing and opening, which comprises two longitudinal flanks connected by a base, as well as a longitudinal sole which extends from the base between the flanks, in order to delimit two opening/closing channels of the profiles. The cursor includes, longitudinally, in the extension of the base, a jutting-out element which extends beyond the flanks. The jutting-out element is positioned on the side of the cursor which corresponds to a closing direction of the profiles.

Abstract: A slider actuates profiled closure shapes for a closure assembly equipping a sachet. The slider includes a base, two flanks, means adapted for stressing respectively said profiled closure shapes, by moving towards or moving away according to a direction of displacement of the slider along the profiled closure shapes, such that the profiled closure shapes are movable between a closed latch position and an open separated position, and a stiffening bar extending along a longitudinal free edge of each of the two flanks. The stiffening bar has a greater thickness than a thickness of its respective flank, extends over an external face of its respective flank, is made from a piece with its respective flank, and has a same longitudinal range as its respective flank.

Abstract: The invention concerns a method to manufacture fastening assemblies (1) for bags, characterized in that, for each assembly (1), it comprises the steps of supplying interlocking profiles (11) provided with flanges (12) for attachment to a bag; mounting an actuating slider (13) on the profiles (11); forming two end stops (2) for the slider (13) in the profiles (11); forming two lumens (3) in the attachment flanges (12); each lumen (3) having a longitudinal extension (E/2); forming two lines of weakness (4) between each lumen (3) and an upper part (111) of the profiles (11). The invention also concerns a corresponding bag-forming method, a corresponding strip of assemblies, and corresponding bag.

Abstract: The present invention relates to a device for applying runners (32) on closure profiles (22), comprising various actuator means (110, 120, 130, 140) driven by a common driving means (150), including a wheel (110) for driving a chain of runners (32) temporarily linked together by breakable bridges (34) in order to transfer successively each runner (32) towards an application station on the closure profiles (22); characterized in that the device includes means (170) for manually disengaging the driving wheel (110) relative to the other actuator members (120, 130, 140). The invention also relates to a method and a machine implementing the above-mentioned runner application device, and to the closure profiles and bags thus obtained.

Abstract: The invention particularly relates to a device for placing a slider (1) for actuating closure profiles (P1, P2) of a bag (S), that includes a base, two flanges, and means adapted for respectively urging said closure profiles (P1, P2) towards each other or away from each other on a bag (s), wherein said device includes at least one clamp for retaining the profiles (P1, P2) as well as means for urging a slider (1) towards means (5) for temporarily spacing the flanges of the slider (1), said spacing means including cam paths with a rising slope, characterised in that said means include stowable cams (5) that, in a first non-stowed position interact with said slider (1) so that, during a movement thereof, the inner surface of its flanges is brought into contact with the cam paths progressively moving the same away from each other, and that, in a second stowed position, no longer interact with the slider (1) so that said flanges are brought together.

Abstract: The invention relates to 2 closure kit comprising two extra elements (200, 250) which can successively engaged and separated, and a cursor (100) comprising a base (110), two lateral side plates (120, 130), a central wall (140) and a sole (142) linked to the central wall (140), characterized in that at least one of the two elements (200, 250) comprises a structure (210, 260) forming a stop for the sole (242) in order to prevent doe cursor (100) from retreating as a result of the effect of a stair tending towards tearing.

Abstract: The present invention relates to a closing device for sachets comprising at least two complementary closing elements (200, 300) and an associated slider (100) comprising a central bead (140), adapted for modifying the joining state of said two elements (200, 300) so as to respectively separate or engage the latter according to its direction of motion, characterized in that the slider (100) comprises at least one flexible lip (145, 146) placed on the apex of the central bead (140) opposite a lead angle (216, 316) provided on the closing element (200, 300), according to a configuration such that any attempt to pull back the slider results in autolocking hanging of the lip (145, 146).

Abstract: A closure assembly includes two complementary zippers, respectively with support backing-strips (220) and complementary closure elements (242), wherein at least one of these closure elements includes a widened soleplate (246) that is at least partially surrounded by the associated support backing-strip (220).

Abstract: The invention particularly relates to a slider (1) for actuating closure profiles (P1, P2), in particular for a closing assembly on a bag (S), that includes a base (10), two flanges (11, 12), and means adapted for respectively urging said closure profiles (P1, P2) towards each other or away from each other, depending on the slider movement direction along the profiles (P1, P2), in order to move the profiles (P1, P2) between a closed latched position and an open separated position, as well as protruding urging spigots (4) on said flanges (11, 12) in the vicinity of the end thereof opposite said base (10) in order to temporarily open the same and facilitate the engagement thereof onto said profiles (P1, P2) when a force is applied on said spigots (4). The slider is characterised in that said means includes means for receiving protrusions (T1, T2) associated with said profiles.