Patents Assigned to Thomassen & Drijver-Verblifa
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Patent number: 5899104Abstract: A method for shaping a metal can comprising a substantially cylindrical body and a bottom such that the body acquires a cross-sectional form varying with the axial position comprises the steps of: (1) providing said can; (2) exerting substantially radial forces on the body in the direction of the desired shaping; and (3) exerting a substantially axial force on the body simultaneously with step (2).Type: GrantFiled: October 22, 1997Date of Patent: May 4, 1999Assignee: Thomassen & Drijver-Verblifa B.V.Inventors: Gerrit Willem Brilman, Johan Willem Roeterdink
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Patent number: 5895666Abstract: A device for expandingly remodelling a hollow object consisting of a body with a mouth opening and a bottom, for instance a metal can, a blown plastic, for instance PET, bottle or the like, includes: a mould comprising two mould parts, which mould parts are relatively movable between a closed position, in which they bound a mould cavity having a form which corresponds with the desired final form of an object, and an open position in which an object for remodelling can be placed and a remodelled object can be removed; sealing means for sealing the mouth opening against the wall of the closed mould cavity; compression means for increasing the pressure in the object placed in the closed mould cavity such that the object is thereby expanded against the wall of the mould cavity; decompression means for subsequently decreasing this pressure such that the mould parts can be moved to their open position in which a remodelled object can be removed; and has the feature that the decompression means are adapted to temporType: GrantFiled: August 18, 1997Date of Patent: April 20, 1999Assignee: Thomassen & Drijver-Verblifa B.V.Inventor: Gerrit Willem Brilman
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Patent number: 5680922Abstract: An apparatus for orienting lids each having a plate and a peripheral edge standing away therefrom, the apparatus including a first conveyor belt, moving in a first direction, for supplying a disordered mass of lids and a second conveyor belt connecting thereto at an end thereof being positioned in a partially overlying relation to the first conveyor belt forming an acute angle therebetween and the second conveyor belt moving in a second direction opposite in relation to the first direction.Type: GrantFiled: August 28, 1995Date of Patent: October 28, 1997Assignee: Thomassen & Drijver-Verblifa N.V.Inventor: Nicolaas Bessels
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Patent number: 5372028Abstract: A device for forming a constriction at an open end portion of a metal can having a cylindrical body includes:(1) a support member for supporting the bottom of a can and for pushing displacement thereof in an axial direction;(2) an annular anvil placed coaxially of this support member, on the side of which facing the support member an internal modeling surface is present which in the direction away from the support member has a form adapted to the desired shape of the constriction; and(3) a freely-rotating roller having a form adapted to the shape of the modeling surface, which roller can press the end portion of a positioned can forcefully against the modeling surface, which roller is carried by a support member which is driven in a circular path concentric to the annular modeling surface, wherein the axis of rotation of the freely-rotating roller extends at least approximately in the the axial direction.Type: GrantFiled: November 5, 1993Date of Patent: December 13, 1994Assignee: Thomassen & Drijver-Verblifa N.V.Inventors: Gerrit W. Brilman, Johan W. Roeterdink
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Patent number: 4997125Abstract: The invention relates to a cylindrical container comprising a bottom, a cylindrical body and a lid.The invention has for its object to design a container of the kind set forth so that it satisfies requirements with respect to strength and stackability and can, moreover, be manufactured at economically permissible, additional costs. According to the invention the container comprises a reinforcing layer fixed to the surface of at least the central zone of the body throughout the circumference thereof.It is preferred to use a container whose reinforcing layer is fixed to the entire body surface.Type: GrantFiled: January 2, 1986Date of Patent: March 5, 1991Assignee: Thomassen & Drijver-Verblifa N.V.Inventor: Johannes A. Glerum
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Patent number: 4988536Abstract: The invention has for its object to offer a method using which a metal surface displays improved properties. These improved properties are in particular an improved flow of lacquer of the like over the surface, the adhesion of this lacquer to that surface and a general improvement in the lacquering and printing qualities of a metal surface.The invention provides a method for activating a metal surface, for example for improving the flow of lacquer over and/or the adhesion of lacquer to a tin surface, comprising the steps of:(1) providing a lightly greased or oiled metal surface, for example the surface of a tin plate of strip;(2) subjecting that metal surface to a corona discharge through application of an alternating voltage between that metal surface and a conductor situated thereabove.Type: GrantFiled: December 1, 1989Date of Patent: January 29, 1991Assignee: Thomassen & Drijver-Verblifa N.V.Inventors: Cornelis J. Van Dongen, Gerrit H. F. Ter Horst
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Patent number: 4977998Abstract: The invention provides a device for removing individual covers from a continuous flow of covers, each consisting of a middle portion and a peripheral edge extending around it asymmetrically in relation to the main plane, the main planes of which covers extend perpendicularly to the conveying direction, while the nominal orientations of the covers in the conveying direction are all the same and the said individual covers are oppositely oriented in relation to the nominal orientation, the device includes a conveyor for transporting the covers in a continuous flow, a detector placed adjacent to the conveyor for distinguishing an oppositely oriented cover and an ejector for removing from the flow a detected oppositely oriented cover.Type: GrantFiled: October 18, 1989Date of Patent: December 18, 1990Assignee: Thomassen & Drijver-Verblifa N.V.Inventor: Derk J. Middeldorp
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Patent number: 4938649Abstract: Apparatus and method in which stacks of tin ends are formed and fed longitudinally to a three-endless belt conveyor in spaced relation of stacks with turns in the feed paths after the first conveyor being defined by overlapping separate three-endless belt conveyor assemblies. The stacks of tin ends may be unwrapped or they may be wrapped, in which latter case, an unwrapping station is provided at which the wrapping is both cut and the wrapping peeled away in response to rotation of the stack. The unwrapped stacks in any case are fed into a continuous stream to a closing station where the individual tin ends are applied to can bodies. In one unwrapping embodiment, the stacks are fed to a first conveyor through the intermediary of a pestle and gripper which are fed in unison to travel a stack to the first conveyor and provision is also made to relax the grip of the pestle and gripper while the wrapper is peeled away.Type: GrantFiled: September 26, 1985Date of Patent: July 3, 1990Assignee: Thomassen & Drijver-Verblifa N.V.Inventors: Gerrit H. ter Horst, Hendrik C. Vrind, Johannus C. Kempers
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Patent number: 4934510Abstract: A supply conveyor has a support surface for conveying glass bottles supported at their bottoms in upright condition and feed them sequentially to a gap between the supply conveyor and a delivery conveyor, also having a support surface for conveying the bottles supported at their bottoms in upright condition and feeding them away from the gap. An intermediate conveyor accelerates the bottles across the gap from the slower speed of the supply conveyor to the high speed of the delivery conveyor and deposits them on the delivery conveyor at the requisite high speed an in upright condition and, as well, cause the bottles to be deposited on the delivery conveyor in properly spaced relation to allow the requisite inspection of the bottles to be made.Type: GrantFiled: April 22, 1985Date of Patent: June 19, 1990Assignee: Thomassen & Drijver-Verblifa N.V.Inventor: Pieter H. Lutgendorf
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Patent number: 4921088Abstract: A device for forming from a batch consisting of an undetermined number of more or less disc-like objects, such as metal covers, of a part batch consisting of a pre-selected number of objects, which device comprises a conveyor chute for supplying the batch of objects and for carrying them past a counting device for counting the passing objects and a separating device for separating off the batch when a pre-selected number of objects has been counted.Type: GrantFiled: August 31, 1987Date of Patent: May 1, 1990Assignee: Thomassen & Drijver-Verblifa N.V.Inventor: Gerrit H. F. Ter Horst
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Patent number: 4918905Abstract: The invention relates to a method and apparatus for packing an elongated body, for example a stack of covers or lids, by wrapping the body and folding the protruding portion of the wrapper from two opposing sides relative to each of the end faces such that two tapering flaps are formed and then applying a sealing tape to only the two tapering flaps.Type: GrantFiled: June 28, 1988Date of Patent: April 24, 1990Assignee: Thomassen & Drijver-Verblifa N.V.Inventor: Frans Hoekstra
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Patent number: 4856262Abstract: In a conveying system for transporting a sequence of articles to a suspending point in captured relation and then transporting them by vacuum suspension to a plurality of separate discharge stations, comprising the combination of:at least a pair of conveyor belts disposed in vertically spaced, overlapping relation to define an elongate nip therebetween extending from a capturing point to a suspending point, the upper of said belts extending beyond the suspending point and being provided with a series of openings extending longitudinally thereof;feed apparatus for feeding articles to the capturing point in sequentially spaced relation so as to be captured between the belts and transported therebetween to the suspending point;suction apparatus overlying the upper belt beyond the suspending point and defining a first chamber for subjecting the articles to vacuum through the openings to suspend them after they pass beyond the suspending point, the suction apparatus defining a plurality of further and separate chaType: GrantFiled: February 24, 1984Date of Patent: August 15, 1989Assignee: Thomassen & Drijver-Verblifa N.V.Inventor: Pieter G. Uithoven
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Patent number: 4821638Abstract: An apparatus for successive printing of cylindrical objects includes a driven carrying wheel; a number of spindles on the wheel freely rotatable about their longitudinal axes parallel to the axis of rotation of the carrying wheel; a printing station radially adjacent the path of the spindles for successively printing the objects; and structure for detecting possible absence of an object and connected to control and deflection structure for temporary deflection of the spindle path out of printing contact. Each spindle is carried by a carriage which can move radially of the carrying wheel and which is guided by a first guide member and a second guide member which cooperates with a guide groove for determining the path of the spindle carried by the carriage. Each spindle is carried such that the pressure force applied thereto during printing of an object can substantially be absorbed without moment by both guide members.Type: GrantFiled: July 6, 1987Date of Patent: April 18, 1989Assignee: Thomassen & Drijver-Verblifa NVInventor: Pieter G. Uithoven
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Patent number: 4776149Abstract: The invention relates to a device for packaging a row of covers placed coaxially of one another in a sheet of packaging material, comprising successively in the packaging direction: a feed station for the row of covers; a wrapping station for wrapping said row of covers in said sheet; a folding station for folding end wall and longitudinal fold edges of the sheet wrapped around the row of covers; and adhesive station for adhering fold edges to the packaging; and transport means for transporting the row of covers, which is characterized in that the folding station comprises gripping means gripping onto the wrapped packaging material from outside, which means hold the packaging material away from the row of covers during forming of the longitudinal fold.Type: GrantFiled: May 4, 1987Date of Patent: October 11, 1988Assignee: Thomassen & Drijver-Verblifa NVInventor: Gerrit H. F. Ter Horst
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Patent number: 4757912Abstract: A tubular body provided with a first end wall is filled through the open end thereof and sealed by a second end wall. One of these walls has a hole therethrough closed by a closing means, this wall being initially of generally concave configuration with the closing means disposed entirely inwardly of a plane passing through the rim of the wall. The concave wall is subsequently changed to a generally convex configuration with the closing means disposed at least partially outwardly of the plane.Type: GrantFiled: May 29, 1985Date of Patent: July 19, 1988Assignee: Thomassen & Drijver - VerblifaInventor: Hendrik G. Heyting
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Patent number: 4742949Abstract: The invention relates to a method of manufacturing a body for a container, in which a body having a weldseam along its longitudinal direction is formed by bending material in sheet form and welding the overlapping edges of the bended material together, and the wall of the body having the longitudinal weldseam is thinned.Preferably thinning is obtained by wall-ironing. It is advantageous that the wall thickness of a wall part close to wall end of the body is larger than that of a remaining part of the body and eventually prior to thinning has been reduced and that prior to being reduced the body is provided with a gripping rim and/or cover.Type: GrantFiled: May 29, 1985Date of Patent: May 10, 1988Assignee: Thomassen & Drijver-Verblifa NVInventors: Johannes A. Glerum, Hendrik G. Heyting
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Patent number: 4723681Abstract: The invention relates to a metallic container particularly for foodstuff or beverages comprising a circumferential wall, a bottom and a lid, in which container is prevailing a lower pressure than the atmospheric pressure in the filled and closed state.The invention has for its object to construct a metallic container in a manner such that the desired mechanical strength can be obtained even with a very small wall thickness and hence at very low costs of material.The invention has furthermore for its object to design a metallic container in a manner such that the probability of undersirable deformation is substantially excluded.For the above-mentioned purposes the invention provides a metallic container the circumferential wall of which has at least one zone that can be pressed inwards by the effect of the difference between the atmospheric pressure and the pressure inside the container.Type: GrantFiled: June 8, 1983Date of Patent: February 9, 1988Assignee: Thomassen & Drijver-VerblifaInventor: Johannes A. Glerum
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Patent number: 4693658Abstract: The disclosure relates to a method of manufacturing a body formed of a shaped sheet metal blank having an opening tear strip terminating in a tongue. Overlapping edges of the blank are welded together and at the tear strip melting of a tin coating of the blank occurs so that at the tear strip the edges of the blank are linked by melted tin, or welding is completely interrupted to form a slot at the tear strip between the overlapping edges of the blank and the slot using a sealing material. Further, the disclosure relates to a metal blank for a can body having a tear strip formed there across by two weakening scores extending transversely to the edges of the blank and terminating in a tongue. The tear strip at one of the edges of the blank is provided with a covering and/or oxide layer which has a relatively low electrical conductivity.Type: GrantFiled: June 18, 1985Date of Patent: September 15, 1987Assignee: Thomassen & Drijver-Verblifa NVInventors: Johannes A. Glerum, Robert C. Klunder
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Patent number: 4669248Abstract: An apparatus is disclosed for packaging a row of mutually coaxially placed disc-shaped lids, in a sheet of packing material, comprising successively in the direction of progress of packaging: a feeding station for the row of members; a wrapping station for wrapping the row of members in the sheet; a folding station for the folding of the wrapped sheet; a sticking station for the sticking of the folded flaps to the package; further transportation members for transportation of the row of members; and a unit for supplying the packing material, situated between the feeding station and the wrapping station, characterized in that the feeding station is provided with at least two feeding units for the lids, and with a feeding table which is slidable between each of the two feeding units and the wrapping station.Type: GrantFiled: May 28, 1986Date of Patent: June 2, 1987Assignee: Thomassen & Drijver-Verblifa N.V.Inventors: Hendrik C. Vrind, Gerrit H. F. Ter Horst, Henrik J. Hamer
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Patent number: 4651892Abstract: The invention relates to a container, comprising: a tubular body with at least one open end, wherein a part of the body adjacent to the end is provided with a bent body rim; a cover closing the open end having a cover rim which grips over the bent body rim; and a locking ring encircling the cover rim and the bent body rim which assures against a relative displacement of the cover in relation to the body. In order to lessen the danger of the occurrence of open contact at the end wall portions, for example be dropping, the curled body rim is additionally curled and/or the body is provided with a groove extending over at least parts of the body circumference, on which a part of the locking ring turned away form the open end of the body can support, and/or the locking ring is provided with a release element arranged in and across it.Type: GrantFiled: June 24, 1985Date of Patent: March 24, 1987Assignee: Thomassen & Drijver-Verblifa N.V.Inventor: Martinus Boersma