Assignee: Metal Box p.l.c.

Location: Reading, GB2
No. of patents: 31

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Number	Title	Issue Date
4892231	Pump chamber dispenser A pump chamber dispenser for toothpaste or other viscous or pasty product comprises a pump member (54) moulded form elastomeric material and having a domed central portion (56) and a bifurcated peripheral portion providing inner and outer skirts arranged ...	01/09/1990
4885924	Method of forming containers In a method of reshaping a container (1) having side wall (2) and a bottom wall (3), the container is rotated by support means (11, 12) while a roll (13) is applied thereto and moved towards the container axis. The bottom wall (3) comprises a central pane...	12/12/1989
4883578	Electro-coating apparatus and method In an high speed electro-coating apparatus having a plurality of electro-coating cells (96) arranged around the periphery of a rotatable turnable (14), each can (128) is placed upright on a cell lid (100) below a hollow cell body (94) and is introduced in...	11/28/1989
4854485	Pistons for pressure-dispensing containers A piston for a pressure-dispensing container such as a cartridge for an extrusion gun has its closure panel formed of a central portion (34) arranged to receive the applied extrusion forces, and an annular and frustoconical outer portion (40) arranged to ...	08/08/1989
4854149	Reducing the diameter of tubular bodies A method and apparatus for reducing the cross-section of a terminal portion of a tubular body said apparatus comprising an external die which defines a convergent work surface therein of like shape to the exterior of the reduced cross-section to be produc...	08/08/1989
4838008	Closing plastics containers Thermally processable plastics tubs (10) filled with a liquid or semi-liquid product so as to leave a headspace are closed by preformed lids (12) which are heat-sealed to their peripheral flanges when the headspace is filled with steam. In order to preven...	06/13/1989
4830229	Pump chamber dispenser A pump chamber dispenser for toothpaste or other viscous or pasty product comprises a pump member (54) moulded from elastomeric material and having a domed central portion (56) and a bifurcated peripheral portion providing inner and outer skirts arranged ...	05/16/1989
4815348	Apparatus for trimming a flanged end of a tubular article A punch and die assembly for trimming the flared end of a can body comprises a reciprocable punch (10), and a split die (15) consisting of two semi-circular segments (14, 16) movable between an open position allowing infeed of article (A), and a closed po...	03/28/1989
4810531	Vapor deposition of tin In the vapor deposition of tin on to a surface such as a polymeric film (3) to be used for packaging, a dispersion of titanium hydride (17) in a dispersant is applied to the interior surface of an evaporation boat (9) and the dispersant is evaporated befo...	03/07/1989
4804115	Pump chamber dispenser A pump chamber dispenser is arranged for producing a striped or otherwise striated product from two or more differently-colored product components held in its variable-volume reservoir (22). For each component the dispenser has at least one inlet port (20...	02/14/1989
4741788	Method of and apparatus for spin-welding During spin-welding of an end ring to a container body, the weld area is subjected to a radial pressure by means of a wire cable tourniquet under the action of a pneumatic cylinder. The interference fit between the ring and body is measured by reference t...	05/03/1988
4735538	Process of forming a biaxially oriented thermoplastic tube including the formation and severance of a bubble forming a radially outwardly flared leading tube end A process of forming biaxially oriented tubular articles by repeatedly performing a cycle of operations which includes engaging a thermoplastic tube by a first clamping member over a first region at a trailing end of the tube and engaging the tube by a se...	04/05/1988
4721546	Spin-welding apparatus Apparatus for spin-welding comprises a spin welding machine having a spin welding head, a ram assembly, and a feed mechanism; the ram assembly is driven from a shaft and the feed mechanism comprises a rotating turret mounted on a shaft which is driven fro...	01/26/1988
4721199	Method and apparatus for orientating can ends Apparatus for orientating circular can ends having an eccentric aperture encompassing the geometric center of the can end comprises a supply stack for delivering can ends to a table and a first conveyor for moving can ends one by one to a first station at...	01/26/1988
4715913	Decorating substrate materials A method for decorating substrate materials such as flat metal sheet or cylindrical metal containers in which a linear polyester/adhesive laminate film is applied to the substrate either prior to or simultaneously with a flexible dye transfer carrier. Thu...	12/29/1987
4712707	Closure for a container A closure for a container such as a can for carbonated beverages comprises a collar which is an easy fit in the opening in the container and a plug which is hingedly connected to the collar and when fitted into the collar causes the collar to be elastical...	12/15/1987
4711624	Apparatus for heat-setting a tubular article of crystallizable polymer For making open-ended thermoplastic tubular articles, which are dimensionally stable up to elevated temperatures, an open-ended polymer tube is placed between a fixed, heated external mould and a cooled mandrel, which is vertically displaceable relative t...	12/08/1987
4702399	Dispenser A dispenser for semi-solid material such as deodorant comprises a tubular barrel, a radial flange of which holds captive a knurled drive wheel for rotation abotu the axis of the barrel. An elevator is mounted on a spindle connected to the drive wheel and ...	10/27/1987
4674649	Metal can end with plastics closure A metal can end with a tear-open plastics closure in which the closure has a plug part fitting into an aperture in the can end, a rim surrounding the plug part, and a pull tab, wherein a groove extends across the plug part and aligned grooves or interrupt...	06/23/1987
4667499	Apparatus for forming a container curl with a generally V-shaped crushed portion An apparatus for deforming an existing external curl on a tubular side wall of a container to form a crushed curl through the use of a first die having an annular groove of generally semi-circular cross section which engages a peripheral inside and outsid...	05/26/1987
4653337	Containers for use in detecting micro-organisms For use in detecting micro-organisms in a sample of a substance, a container for holding the sample consists of a glass bottle and closure in the form of an elastomeric bung, the bung being provided with a pair of chambers each housing a respective electr...	03/31/1987
4636187	Methods and apparatus for erecting tray-type cartons In the erection of rectangular tray-type cartons from blanks of foldable sheet material, corner tabs which are to be uppermost in the erected carton are first folded up from the plane of the blank, which is then passed through a die by a punch to form the...	01/13/1987
4632799	Methods for forming tubular closed-ended articles of thermoformable polymer material A tubular article with a closed end is formed from a thermoformable polymer material, e.g. a high molecular weight saturated linear polyester such as polyethylene terephthalate, by forcing a punch (21) through the plane of a pre-heated and clamped sheet (...	12/30/1986
4587075	Method and apparatus for making dimensionally stable thermoplastic tubular articles For heat-setting tubular articles (such as can bodies) of an at least partly biaxially oriented crystallizable polymer, preferably a saturated linear polyester such as polyethylene terephthalate, e.g. for thermally processable food containers, a tube of t...	05/06/1986
4573597	Containers A bottle for carbonated beverage is moulded from polyethylene terephthalate (PET) thermoplastics resin and has a recessed base (14) formed by a standing ring (15) and an outwardly domed central panel (21). A ring member attached to the base by spin-weldin...	03/04/1986
4572398	Closures for containers A tear open plastics closure for a can end having a pouring aperture and a venting aperture comprises respective annular collar portions fitting in an airtight manner in the apertures and plugs rupturably sealed over the mouths of the collars and capable ...	02/25/1986
4567986	Unit portion pack A unit portion pack is made from two webs, at least one of which is a laminate (2) having layer (4) of tear resistant material, such as polyester film, and a layer (6) of rupturable material, such as aluminum foil. The two webs (2, 26) are bonded together...	02/04/1986
4553971	Pouch-like bags for containing liquids A pouch-like bag for containing a liquid for medical or surgical use has two walls (10, 11) formed by respective plies of flexible plastics material sealed together (at 12) around at least their top and side edges and one or more, folded plies (14) of fle...	11/19/1985
4512172	Method of forming flanged containers A method of forming a smooth shoulder (16, 14b, 19b), neck (17, 37) and flange (18, 38) at the open end of the cylindrical side wall (12) of a can body (10) comprises the steps of forcing a marginal edge portion (13) of the side wall into at least a first...	04/23/1985
4503999	Dispensing valve assembly for a pressurized container A valve assembly for a container for pressurized fluid in which a cup (10) mounts the assembly to a container body, and a valve (14) including a valve housing (12) fitted in the cup, the valve housing is located within the cup by the engagement of interna...	03/12/1985
4494898	Mounting plastics members in openings in sheet metal members A plastics member (16) is sealingly secured to a sheet metal member (10) by creating in the sheet metal member (10) an opening which is defined by a free edge (14) of the sheet metal, forming-up a marginal region (12) of the sheet metal member (10) around...	01/22/1985

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Assignee: Metal Box p.l.c.