ALPLA WERKE ALWIN LEHNER GMBH & CO. KG Patent applications |
Patent application number | Title | Published |
20160046059 | EXTRUSION BLOW MOLDED TUBE - The invention relates to an extrusion blow molded tube, which is filled or can be filled by way of its rear end, and the body, shoulder and neck of which are produced in one piece by extrusion blow molding. The tube has an LLDPE-rich layer with an LLDPE content of 50 to 95% by weight, and the average wall thickness of the tube in the region of the body is 0.3 to 0.85 millimeters. | 02-18-2016 |
20160001913 | STRETCH-BLOW MOLDED PLASTIC CONTAINER AND STRETCH-BLOW-MOLDING METHOD - A stretch-blow molded plastic container includes a container body. A container neck, adjoins the container body via a shoulder region and has a container opening. The container body and the container neck are mutually separated by a support ring, which substantially radially protrudes, runs circumferentially in at least some regions and which has a support ring underside. The shoulder region has a first shoulder section, which runs in immediate proximity to the support ring underside, and a second shoulder support, which is integrally connected to the first shoulder support and which substantially radially adjoins the support ring. In a stretch-blow molding method a support ring of a preform, which is placed into a mold cavity of a blow molding tool, is overblown during radial and axial stretching of the preform. | 01-07-2016 |
20150259090 | PLASTIC CONTAINER - A plastic container for storing liquid under a low overpressure having a container body, to whose one longitudinal end a container neck is connected, which neck has a pour opening. A bottom section has a container bottom and an edge area pulled up on the sides and that turns into the container body, is connected to the other longitudinal end of the container body. The container bottom has a curved concave section, whose periphery is connected via an axially projecting, graduated transition area to a platform that runs into the edge area pulled up on the sides. The platform and at least one partial area of the graduated transition area are interrupted by a first number of grooves. In the concave section, a second number of panel-like projections are made, which essentially extend between the graduated transition area and the longitudinal axis and end before the graduated transition area. | 09-17-2015 |
20150251837 | CONTAINER AND METHOD FOR ADDING A MIXTURE COMPONENT - The invention relates to a container and to the use thereof. The container has a chamber with a base for receiving a mixture component and an adapter for fixing the chamber to a second container. The adapter is connected to the chamber via a first connector and has a second connector to connect to the second container. Additionally, the adapter forms a flow channel for the mixture component, extending between the first and the second connector. The adapter also has a blade element in the flow channel, comprising a blade facing the base of the chamber in order to open the base. The first connector allows the chamber to rotate relative to the adapter and to the blade, said blade designed to cut through the base of the chamber along the edge of the base while the chamber rotates. | 09-10-2015 |
20150251794 | EXTRUSION-BLOW-MOLDED PLASTIC CONTAINER WITH UNDERCUT NECK AND METHOD FOR ITS PRODUCTION - An extrusion-blow-molded plastic container has a container body closed with a bottom and a neck with a pour opening. An inside wall of the container neck has at least one calibrated structuring, extending at least in places over a periphery of the inside wall. The calibrated structuring is limited in the direction of the container body by a material accumulation shaped as a collar extending at least partially along the periphery of the inside wall and essentially crosswise to a center axis of the neck. | 09-10-2015 |
20150246468 | DEVICE AND METHOD FOR PRODUCING A TUBE HEAD, AND TUBE HEAD - An injection-molding device for producing at least one tube head having a tube shoulder and a neck formed thereon has a press-out opening comprising a mold that defines a mold cavity and a nozzle that interacts with the mold. The nozzle has a valve needle that can be moved in the nozzle body. The valve needle is surrounded by a first flow channel, through which a first material component can be pressed out. The opening of the nozzle is closed by the valve needle head in a retracted position of the valve needle and released by the valve needle head in an advanced position of the valve needle In the advanced position of the valve needle, an annular outlet opening is formed, which establishes a fluid connection into the mold cavity together with an annular gap of the mold serving as a gate. | 09-03-2015 |
20150217894 | PLASTIC CONTAINER PRODUCED IN AN EXTRUSION BLOW MOLDING METHOD, IN PARTICULAR PLASTIC BOTTLE - An extrusion blow-molded plastic container, for example, a plastic bottle, is described which has a container body having a longitudinal axis, a longitudinal end sealed by a container bottom, another longitudinal end adjoining a container neck provided with a pour opening, and a container shoulder. The container body has at least one deformable section which is made flat and which extends over a large part of an axial length of the container body and in the peripheral direction. The deformable section which has been made flat has two longitudinal sides which run essentially in the axial direction and which border regions of the container body which have a greater stiffness than the deformable section. | 08-06-2015 |
20150202818 | PREFORM AND CONTAINER - An injection-molded preform for manufacturing plastic containers, for example plastic bottles, in a stretch blow molding process is disclosed. The preform can have an essentially elongated preform body, whose one longitudinal end is formed closed. On an opposite longitudinal end, the preform body is connected to a neck section that is provided with a pour opening and whose outer wall has a connector to make an interlocking connection with a closure that is equipped with corresponding engagement. The neck section has at least one bottleneck that extends all the way around and has a wall thickness of between 0.4 mm and 0.8 mm. The injection-molded plastic material exists at least on the at least one bottleneck in a state that is highly oriented and at least partially crystalline, due to an injection-molding process. | 07-23-2015 |
20140321898 | PLASTIC CONTAINER FOR A ROLL-ON DEODORANT - A plastic container for a roll-on deodorant is described, which roll-on deodorant has a receptacle and a roll cage for the captive, rotatable holding of an applicator ball. The roll cage can be made integral with the receptacle. The plastic container can be produced in an extrusion-blow-molding method from a tube that is for example extruded continuously. | 10-30-2014 |
20140077424 | PLASTIC FORMULATION AND METHOD FOR THE PRODUCTION OF PLASTIC BOTTLES IN A TWO-STAGE STRETCH BLOW-MOLDING PROCESS - An exemplary plastic formulation is disclosed for the production of plastic bottles in a two-stage stretch blow-molding process, and includes at least 60% of HDPE (High Density Polyethylene) having a density of 0.941 g/cm | 03-20-2014 |
20140076838 | PLASTIC CONTAINER WITH A CUT NECK PRODUCED IN A STRETCH BLOW-MOLDING METHOD - A plastic container with a cut neck is disclosed, which is produced by stretch blow-molding from a preform manufactured by plastic injection or plastic flow molding, and which immediately following production, or separated in space and/or time, is inserted into a mold cavity of a blow-mold tool of a stretch blow-molding device and with the aid of a blow-molding medium inflated and stretched according to the mold cavity. The preform is then shaped to form the desired plastic container by cutting off an excess section that includes an injection-molded neck part of the preform. | 03-20-2014 |
20130327795 | PLASTIC CONTAINER WITH A POUR SPOUT - A plastic container is disclosed which can include a pour spout for mounting on a container neck and having one or more closable pour openings. At least one blow molded cam can project over a neck wall of the container neck, the pour spout having a body configured for connection to the container neck, and made to correspond with a peripheral contour of the container neck and to have a corresponding number of receptacles for cam(s) in a wall facing the neck wall. For example, at least one cam is formed in an inside wall of the container neck. | 12-12-2013 |
20130239675 | METHOD AND APPARATUS FOR FUNCTION TESTING OF PLASTIC CONTAINERS PRODUCED IN AN EXTRUSION BLOW MOLDING METHOD WITH AN ASCENDING TUBE - An exemplary method and apparatus for function testing of plastic containers which have been produced in an extrusion blow molding method and include an ascending tube. The apparatus being configured to determine the flow rate of a fluid medium through the ascending tube. The determined flow rate is compared to a set flow rate range, and when upper and lower boundaries for the flow rate are not reached or are exceeded, the container is excluded from further processing and removed from the process. | 09-19-2013 |
20130216748 | PREFORM FOR PRODUCING PLASTIC CONTAINERS IN A STRETCH BLOW MOULDING PROCESS AND METHOD FOR PRODUCING THE PREFORM - A method for producing a preform and a preform produced by extrusion blow moulding for producing plastic containers in a stretch blow moulding process and having a neck portion and a body portion closed by a preform base, which portions are separated from each other by a supporting ring protruding from the outer wall. The preform has a body portion of which the outside diameter narrows from the supporting ring in the direction of the preform base. | 08-22-2013 |
20120231191 | PREFORM FOR PRODUCING PLASTIC CONTAINERS IN A TWO-STAGE STRETCH BLOW-MOULDING PROCESS - A preform is disclosed for producing plastic flasks in a two-stage stretch blow-molding process, including a preform base, an elongated preform body, including one longitudinal end sealed to the preform base and another longitudinal end sealed to the neck portion a neck portion with threaded sections or positive protrusions, wherein the preform is manufactured from a plastic that is suitable for the stretch blow-molding process, which has a refractive index of 1.3 to 1.6 at a temperature of 10° C. to 120° C., and in that an outside wall and an inside wall of the preform base bound a flat divergent lens, and in each case have radii of curvature (c, b) that are larger by at least a factor 1.4 than a related radius of curvature (s) of an outside wall or a radius of curvature (R) of an inside wall of the preform in the area of the preform body. | 09-13-2012 |
20110115135 | PLASTIC FORMULATION AND METHOD FOR THE PRODUCTION OF PLASTIC BOTTLES IN A TWO-STAGE STRETCH BLOW-MOLDING PROCESS - An exemplary plastic formulation is disclosed for the production of plastic bottles in a two-stage stretch blow-molding process, and includes at least 60% of HDPE (High Density Polyethylene) having a density of 0.941 g/cm | 05-19-2011 |
20110062610 | EXTRUSION BLOW MOLDING METHOD FOR PLASTIC CONTAINERS, ESPECIALLY PLASTIC BOTTLES - An extrusion blow-molding method for plastic containers, for example, plastic bottles, is disclosed, wherein a one- or multi-layer plastic tube is extruded with a predetermined extrusion pressure through an annular gap, which is delimited by an extrusion die provided on an extrusion head and a axially adjustable mandrel and which can be adjusted with regard to the width thereof. The extruded plastic tube is introduced into a mold cavity of a blow-molding tool arrangement, blow-molded into a plastic container in accordance with the mold cavity by overpressure and then demolded. Additional plastic material is added in metered quantity to the extruded plastic tube at least in some regions in the direct vicinity of the mouth of the extrusion die. The additional plastic material is introduced through one or more discharge nozzles distributed across the circumference with a pressure that is higher than the extrusion pressure such that the plastic material is locally compressed and that, after passing the extrusion die, the plastic tube in the regions provided with the additional plastic material has a greater wall thickness than the remaining plastic tube. | 03-17-2011 |
20100304169 | PREFORM FOR PLASTICS MATERIAL BOTTLES OR WIDE-NECKED VESSELS - A preform for manufacturing plastics material bottles or wide-necked vessels is described, having a rigid, substantially elongate, frustoconical body portion that is closed at one of its longitudinal ends by a dome-shaped end portion and at its opposite longitudinal end adjoins via a preform collar a neck portion provided with a pouring opening. The preform possesses in the body portion an external diameter that is reduced from the preform collar to the end portion. The body portion has a wall thickness which changes over its longitudinal extension substantially constantly by up to +2 mm. For this purpose, it possesses an internal diameter which decreases substantially constantly from a transition to the preform collar up to a transition to the dome-shaped end portion. | 12-02-2010 |
20100304168 | PREFORM FOR PLASTICS MATERIAL BOTTLES OR WIDE-NECKED VESSELS - A preform for manufacturing plastics material bottles or wide-necked vessels is described, having a rigid, substantially elongate, frustoconical body portion that is closed at one of its longitudinal ends by a dome-shaped end portion and at its opposite longitudinal end adjoins via a preform collar a neck portion provided with a pouring opening. The preform possesses in the body portion an external diameter that is reduced from the preform collar to the end portion. The body portion has a wall thickness which changes over its longitudinal extension substantially constantly by up to +2 mm. For this purpose, it possesses an internal diameter which decreases substantially constantly from a transition to the preform collar up to a transition to the dome-shaped end portion. | 12-02-2010 |
20100084360 | Plastic Bottle and Similar Containers Made Of Plastic - A plastic bottle ( | 04-08-2010 |
20090101672 | SEMIFINISHED PRODUCT FOR PRODUCING A PLASTIC TUBE AND TUBE OF PLASTIC PRODUCED FROM IT - A description is given of a semifinished product ( | 04-23-2009 |