Forming A Capsule Patents (Class 53/454)
  • Patent number: 6574945
    Abstract: A number of spaced apart first and second cavities are continuously formed in first and second thin sheets of material, respectively. Each of the first and second cavities has an edge at an opening thereof. The formed first and second cavities travel in paths that are downwardly inclined from the horizontal and approach each other. A number of first bodies are fed into the first cavities, respectively, where each of the first bodies has a liquid tight interior cavity that contains a volume of a first liquid. This liquid is one that when mixed with a second liquid starts a chemiluminescent reaction. The edge of each of the first cavities is sealed progressively with the respective edge of a second cavity, while injecting the second liquid into one or both of the first and second cavities that are being sealed. This forms a liquid tight second body that contains the first body and a second volume of the second liquid.
    Type: Grant
    Filed: March 21, 2001
    Date of Patent: June 10, 2003
    Assignee: Lumitek LLC
    Inventor: Raul Martinez, Jr.
  • Publication number: 20030014946
    Abstract: An injection wedge includes a housing having a first face and a second face. A first tube extends through the housing and is coupled to a first nozzle on the first face of the housing. A second tube extends through the housing and is coupled to a second nozzle on the second face of the housing. The first face of the housing is opposite the second face of the housing. The first nozzle and the second nozzle are angled away from a vertical axis of the injection wedge. The first tube and the second tube are adapted to carry a fill material to the first nozzle and the second nozzle for injection into die pockets formed onto surfaces of a pair of rotary die drums.
    Type: Application
    Filed: July 20, 2001
    Publication date: January 23, 2003
    Inventors: Donald R. Steele, Alfredo Celis
  • Publication number: 20020134055
    Abstract: A number of spaced apart first and second cavities are continuously formed in first and second thin sheets of material, respectively. Each of the first and second cavities has an edge at an opening thereof. The formed first and second cavities travel in paths that are downwardly inclined from the horizontal and approach each other. A number of first bodies are fed into the first cavities, respectively, where each of the first bodies has a liquid tight interior cavity that contains a volume of a first liquid. This liquid is one that when mixed with a second liquid starts a chemiluminescent reaction. The edge of each of the first cavities is sealed progressively with the respective edge of a second cavity, while injecting the second liquid into one or both of the first and second cavities that are being sealed. This forms a liquid tight second body that contains the first body and a second volume of the second liquid.
    Type: Application
    Filed: March 21, 2001
    Publication date: September 26, 2002
    Inventor: Raul Martinez
  • Publication number: 20020026771
    Abstract: A method of encapsulation is characterized by supplying to an encapsulation unit (22) two films (14, 16) of like material capable of deforming elastically at least when partially solvated, and applying solvent to at least one of the films prior to encapsulation to cause partial solvation of the material surface, such that the partially solvated surface can adhere to and seal with the film material. In the encapsulation unit, the substance to be encapsulated e.g. a cosmetic oil or vitamin preparation is supplied between the films, the films are formed, typically by a molding process, into suitably shaped capsule portions which can adhere to each other as a result of the adhesive action of the partially solvated surface(s), and which seal together encapsulating the supplied substance, forming a capsule. The invention enables encapsulation using materials other than gelatin, such as polyvinyl alcohol. Also disclosed is encapsulation apparatus and the resulting capsules.
    Type: Application
    Filed: September 24, 1998
    Publication date: March 7, 2002
    Inventor: MALCOLM DAVID BROWN
  • Publication number: 20020026772
    Abstract: A method and apparatus for producing filled gelatin capsules created from strips (4) of gelatin ribbon. The strips are led to an encapsulation station (6) where they are enclosed around the fill that is delivered thereto. Means are provided for controlling the lateral alignment of the strip in its path to the encapsulation station (6) preferably, such means comprises a pivotal guide bar assembly (52).
    Type: Application
    Filed: December 29, 1999
    Publication date: March 7, 2002
    Inventors: NEIL JOHN HOLLAND, GEORGE BERNARD TIDY
  • Patent number: 6295793
    Abstract: An apparatus and method for manufacturing soft capsules wherein a filling material, such as liquid medicine, is encapsulated by two gelatin sheets. The soft capsule manufacturing apparatus includes a pair of die rolls that are close to and confront each other, each die roll having capsule pockets in a plurality of rows, and a nozzle segment having an inverse projection for supplying a filling material. The inverse projection has curved faces that are positioned in opposing relation with each other at right and left sides about the lower end central portion thereof the curved faces have nozzle holes. The inverse projection confronts a curved recess that is surrounded by curved peripheral surfaces of the die rolls at the upper sides thereof. The gelatin sheets are supplied between the die rolls from the upper portion thereof to receive the filling material therein corresponding to the capsule pockets of each die roll to manufacture soft capsules.
    Type: Grant
    Filed: February 8, 1999
    Date of Patent: October 2, 2001
    Assignee: Kabushiki Kaisha Kamata
    Inventor: Tetsuo Takayanagi
  • Patent number: 6260332
    Abstract: An apparatus for and a method of manufacturing soft capsules wherein a filling material such as liquid medicine is encapsulated by two pieces of gelatin sheet are provided.
    Type: Grant
    Filed: February 8, 1999
    Date of Patent: July 17, 2001
    Assignee: Kabushiki Kaisha Kamata
    Inventor: Tetsuo Takayanagi
  • Patent number: 6238616
    Abstract: A manufacturing method for forming gelatin capsules comprising: supplying two gelatin sheets having preformed pockets between die rollers; partially suturing the gelatin sheets together by means of the die rollers to form a pocket; weighing powder or particulate capsule content in a weighing hole aligned with said pocket; utilizing a pusher to push said capsule content through said weighing hole and into the pocket; and completing the suturing of the gelatin sheets by means of the die rollers to envelop said capsule content in said pocket.
    Type: Grant
    Filed: December 14, 1998
    Date of Patent: May 29, 2001
    Assignee: TimeCaps Inc.
    Inventors: Toshimitsu Ishikawa, Nobuyuki Wada, Stephen Richard Lukas
  • Patent number: 6219997
    Abstract: A blister pack comprises a blister assembly (10) including two blister parts (11, 12) which are interconnected and foldable towards each other, each blister part (11, 12) having a set of blisters (16). The blisters (16) of one blister part (11) are so offset relative to the blisters (16) of the other blister part (12) that, after folding, the blisters (16) of the two blister parts (11, 12) engage between each other. The blister pack further comprises a protective unit (20) including two closure panels (21, 22) and preferably one intermediate panel (23), which is defined by two folding lines (24, 25). The blister pack also comprises a supporting unit (30) including at least one base panel (31), which has at least one hole (33). The supporting unit (30) is connected to said blister assembly (10) such that the blisters (16) of at least one blister part (11) are aligned with said at least one hole (33).
    Type: Grant
    Filed: August 25, 1999
    Date of Patent: April 24, 2001
    Assignee: AstraZeneca AB
    Inventors: Claes Friberg, Christian Assargren
  • Patent number: 6217697
    Abstract: A method for producing and coating melt portions includes two sheet strips, which form coating material layers, being continually fed. The melt portions embedded between the sheet strips are cooled and calibrated according to their thickness. The sheet strips are longitudinally and transversely separated in the region of their connection points such that the melt portions become isolated and the sheet strips are connected to each other such that each melt portion is embraced tightly.
    Type: Grant
    Filed: May 11, 1999
    Date of Patent: April 17, 2001
    Assignee: Santrade Ltd.
    Inventors: Jürgen Winter, Matthias Kleinhans, Warnfried Baumann
  • Patent number: 6018935
    Abstract: An apparatus for enrobing tablets in a gelatin layer includes a pair of die assemblies with each assembly including a rotatable, cylindrical die support and a series of die blocks mounted on this support for movement along a circular path. Each block has recesses formed in a top surface thereof and each recess of one assembly cooperates with a similar recess in the other assembly to form a cavity at a nip formed by the two assemblies. Each cavity is dimensioned to receive loosely therein one of the tablets. Two casting drums deliver gelatin strips to the die assemblies and each strip is pulled by one assembly into the nip. A time tablet dispensing mechanism is used to dispense tablets onto one of the strips at a feeding location. The preferred die blocks are made of hard plastics material. The tablet dispensing mechanism employs vacuum applying members operatively connected to a vacuum source and air cylinder transfer mechanisms for moving these members from a tablet pick-up position to the feeding location.
    Type: Grant
    Filed: April 13, 1998
    Date of Patent: February 1, 2000
    Inventor: Aldo Perrone
  • Patent number: 6009690
    Abstract: A process for the production of divisible tablets by melt calendering in which two molding rolls are combined together, at least one of which has depressions with at least one bar which extends up to the surface line of the molding roll and forms a score.
    Type: Grant
    Filed: June 18, 1997
    Date of Patent: January 4, 2000
    Assignee: BASF Aktiengesellschaft
    Inventors: Joerg Rosenberg, Werner Maier, Helmut Fricke, Jorg Breitenbach
  • Patent number: 5865012
    Abstract: The invention relates to a device for filling with high accuracy a finely divided powdered medicament having a particle size smaller than 10 .mu.m into cavities having a size corresponding to the volume of powder to be filled, wherein said device comprises oscillating and rotating means for breaking down aggregates formed in the finely divided powdered medicament and filling and for compacting it in said cavities. The invention also includes a method of filling with high accuracy of a finely divided powdered medicament having a particle size smaller than 10 .mu.m and to fill said finely divided powdered medicament into cavities, wherein the finely divided powdered medicament is transported and compacted in said cavities by oscillating and rotating means.
    Type: Grant
    Filed: June 20, 1995
    Date of Patent: February 2, 1999
    Assignee: Astra Aktiebolag
    Inventors: Henri Hansson, Jan Petersson, Peter Claussnitzer
  • Patent number: 5761886
    Abstract: Methods and apparatus for forming capsules provides novel processing flexibility including dies which are independently movable, even during capsule formation, the ability to vary the speed of the dies even during the formation of a single capsule, independently controlled drums and dies. Advantageously, at least one and most preferably a plurality of independently actuatable pumps are provided for greater control over the dispensing of fill material. For example, the fill rate can be varied during the filling of a single capsule. Preferred embodiments provide electric/electronic signals to actuate the f fill material dispensers, provide for the independent control of rotatable drums, rotatable dies and the dispensers.
    Type: Grant
    Filed: February 9, 1996
    Date of Patent: June 9, 1998
    Inventor: Shahrooz Parkhideh
  • Patent number: 5740660
    Abstract: Rotary die apparatus for producing filled gelatin capsules comprises two cylindrical rollers mounted with their longitudinal axes substantially parallel and defining a nip therebetween, with at least one roller having a plurality of recesses on its outer surface; and means for feeding gelatin ribbon to each roller surface and thereby to the nip. The apparatus includes a metering system for delivering particulate material between gelatin ribbons at the nip; and means for rotating the rollers in synchronism with the metering system such that particulate material is supplied over a recess in said at least one roller, and the juxtaposed ribbon sections close over the particulate material to form a capsule. Air mechanisms may be used to shape the gelatin ribbon into the roller recesses, and such mechanisms can also be used to facilitate the flow of particulate material in the metering system.
    Type: Grant
    Filed: May 20, 1996
    Date of Patent: April 21, 1998
    Assignee: R.P. Scherer Corporation
    Inventor: Dennis Rowe
  • Patent number: 5735105
    Abstract: A continuous solvent free gelatin encapsulation apparatus and process includes an oil roll back assembly (20) for applying a controlled amount of a food-approved lubricant to a first side of the gelatin ribbon and an applicator guide bar assembly (40) for applying a controlled amount of food-approved lubricant to a second side of the gelatin ribbon. Two opposing food-approved lubricant coated gelatin ribbons are then united in a die assembly (50) to form gelatin capsules which are then dried and recovered.
    Type: Grant
    Filed: October 2, 1995
    Date of Patent: April 7, 1998
    Assignee: R. P. Scherer Corporation
    Inventors: Norman S. Stroud, David J. Walker, Kelvin R. Garnett, Arthur J. Burnett, Anthony J. Wood
  • Patent number: 5660662
    Abstract: Apparatus for joining cohesive coated plastic sheets in a closed peripheral pattern with bulging of at least one sheet within the closed peripheral pattern to provide a sealed compartment containing only a gas such as air, or foam, under superatmospheric pressure. A method for forming a sealed bulging compartment containing substantially only a gas at superatmospheric pressure comprises joining two cohesive material coated sheets by engagement of said portions of said cohesive material coating at a closed periphery while causing at least one of the sheets to be bulged by gas at superatmospheric pressure. A bulging sealed cushion formed of two sheets each coated on one side with cohesive, air impervious material, at least one of the sheets being bulged outward, and containing substantially only a gas at superatmospheric pressure.
    Type: Grant
    Filed: April 25, 1995
    Date of Patent: August 26, 1997
    Assignee: Testone Enterprises, Inc.
    Inventor: Anthony O. Testone
  • Patent number: 5628165
    Abstract: A method of packaging an article includes tensioning first and second webs enveloping an article seated in one of a plurality of through openings. The webs are sequentially supplied to at least one through opening and the article to be packaged is, in sequence, inserted between the first and second webs. Once the article is generally overwrapped by the first and second webs, overhanging portions of webs about the article are sealed thereby forming a packaged article. The packaged article is then relieved from the through opening by preferably cutting or punching it through the opening.
    Type: Grant
    Filed: March 28, 1996
    Date of Patent: May 13, 1997
    Assignee: Eastman Kodak Company
    Inventors: Michael Long, James A. White
  • Patent number: 5609010
    Abstract: Method and apparatus for encapsulating small articles such as medicines in caplet or cylindrical form are disclosed. Gelatin half capsules are formed on the pins of pin blocks and are delivered to a station at which they are trimmed and fitted over the opposite ends of the product to be encapsulated. The capsule halves are first dried to a condition in which they have about 20 wt. % moisture and are thereafter press fitted over the ends of the caplets and allowed to dry to shrink fit tightly onto the caplets making it virtually impossible to remove them from their gelatin coverings without leaving visible evidence of tampering. The finished product has a smoother outer surface which lends itself to overprinting.
    Type: Grant
    Filed: December 7, 1995
    Date of Patent: March 11, 1997
    Assignee: Warner-Lambert Company
    Inventor: Erich W. Sauter
  • Patent number: 5542235
    Abstract: In a method and an appliance for manufacturing a blister pack having a carboard inlay (blister cardboard pack) a blister pack is provided as an endless tape having the products sealed in blisters. At a unification station a cardboard inlay having recesses for the blisters of the blister pack and having in the direction of conveyance of the blister pack substantially the length of a blister cardboard pack, is placed true-to-size on the blister pack tape, the recesses of the cardboard inlay surrounding the blisters of the blister pack. By a feed pawl, a holding collet and outfeed rollers the blister pack tape is fed to the unification station incrementally and further conveyed incrementally after placement of the cardboard inlay. In a sealing station the cardboard inlay is sealed to the blister pack tape. Subsequently the individual blister cardboard packs are separated from the blister cardboard pack tape in a cutting station.
    Type: Grant
    Filed: March 2, 1994
    Date of Patent: August 6, 1996
    Assignee: PVT Piepenbrock Verpackungstechnik GmbH
    Inventor: Horst Konstandin
  • Patent number: 5511361
    Abstract: Method for encapsulating small articles such as medicines in caplet or cylindrical form are disclosed. Gelatin half capsules are formed on the pins of pin blocks and are delivered to a station at which they are trimmed and fitted over the opposite ends of the product to be encapsulated. The capsule halves are first dried to a condition in which they have about 20 wt. % moisture and are thereafter press fitted over the ends of the caplets and allowed to dry to shrink fit tightly onto the caplets making it virtually impossible to remove them from their gelatin coverings without leaving visible evidence of tampering. The finished product has a smoother outer surface which lends itself to overprinting.
    Type: Grant
    Filed: January 12, 1994
    Date of Patent: April 30, 1996
    Assignee: Warner-Lambert Company
    Inventor: Erich W. Sauter
  • Patent number: 5500067
    Abstract: A multi-station apparatus and method of manufacture allows the manufacture of an article having a fluid filled cavity fabricated from simultaneously fed twin thermoplastic webs. A web transport means simultaneously feeds twin thermoplastic webs into an apparatus, where a oven raises the temperature of the material of the webs for thermoforming and molding. The cavity then is partially fusing to provide an injection and outlet port and a fluid is injected into the cavity, which is then sealed to provide a finished article. The fluid can be formed from a super absorbent material as a thick, viscous gel-like colloidal substance.
    Type: Grant
    Filed: August 31, 1993
    Date of Patent: March 19, 1996
    Inventor: Brian D. Jenkner
  • Patent number: 5460824
    Abstract: A tamper-resistant, caplet like medicament that masks the taste of poor tasting drugs and possesses an improved lubricity for easier swallowing is produced by shrinking a gelatin-based capsule about a caplet-shaped tablet of the medicament at specific temperatures, pressure and relative humidity.
    Type: Grant
    Filed: June 27, 1990
    Date of Patent: October 24, 1995
    Assignee: Warner-Lambert Company
    Inventors: Jean C. LeBrun, Jackie L. Massey
  • Patent number: 5415868
    Abstract: Disclosed is a novel simulated capsule medicament consisting of a solid core covered with two shrink-wrapped, hard-shell gelatin capsule halves. The solid cores are covered with the hard-shell gelatin capsule halves by individually shrink-wrapping onto first one end of the core a first hard-shell gelatin capsule half and then individually shrink-wrapping onto a second end of the core a second hard-shell gelatin capsule half.
    Type: Grant
    Filed: June 9, 1993
    Date of Patent: May 16, 1995
    Assignee: L. Perrigo Company
    Inventors: Floyd S. Smith, Mark E. Crim
  • Patent number: 5342626
    Abstract: The present invention relates to a polymer composition comprised of gellan, carrageenan and mannan gums and a process for producing flexible films for encapsulation comprising the gellan, carrageenan and mannan gum composition. The mannan gums include the galactomannans and the glucomannans. Advantageously, soft capsules of the above composition are produced using the novel process. The composition comprises a blend of a gellan gum: (carrageenan/mannan gum) wherein the gellan gum concentration ranges from about 0.1 to 50 weight percent and the ratio of carrageenan/locust bean gum ranges from 3:1 to 1:3. Additional reagents are added to this gum blend to form a film-forming polymer composition useful in the production of gelatin-free capsules or microcapsules.
    Type: Grant
    Filed: April 27, 1993
    Date of Patent: August 30, 1994
    Assignee: Merck & Co., Inc.
    Inventors: Philip E. Winston, Jr., Frank J. Miskiel, Raymond C. Valli
  • Patent number: 5228573
    Abstract: A method of packaging, comprising the steps of disposing an article in a package and airtightly sealing an air sensitive reagent, which changes color upon contact with air, as at least part of the package for the article such that the seal must be broken to access the article and thereby cause the reagent to contact the air or another agent and change color. A semi-permeable membrane will allow the same reagent to function as a shelf-life indicator.
    Type: Grant
    Filed: April 23, 1991
    Date of Patent: July 20, 1993
    Inventors: Richard Pavelle, Paul Burstein, Ronald M. Latanision
  • Patent number: 5146730
    Abstract: A medicine tablet is described as a new article of manufacture. The table is enrobed in a gelatin coating formed by application of respective layers of elastic gelatin film to opposite sides of the tablet. The applied gelatin layers conform tightly to the tablet surface, bond securely to the tablet, and are sealed together in essentially edge-to-edge manner at a seal line which extends around the tablet at a desired place on the tablet. The gelatin layers can be colored differently from the tablet and differently from each other. A range of formulations are described for film which can be peelable from a tablet or other product core, and for films which bond to the core. A presently preferred formulation for producing tablets having a bonded tamper-evident coating comprises a water-based gelatin preparation having about 45% gelatin and about 9% plasticizer (glycerin and/or sorbitol) by weight.Method and apparatus for producing such new products are also described.
    Type: Grant
    Filed: September 20, 1989
    Date of Patent: September 15, 1992
    Assignee: Banner Gelatin Products Corp.
    Inventors: Hani Sadek, Gregory L. Dietel
  • Patent number: 5074102
    Abstract: This invention relates to a method and apparatus for filling a powder, lipid or granule into a soft shell capsule employing a flat linked track of cavity blocks to prevent spillage.
    Type: Grant
    Filed: October 1, 1990
    Date of Patent: December 24, 1991
    Assignee: American Cyanamid Company
    Inventors: Wallington M. Simpson, Joseph F. Xavier
  • Patent number: 4899519
    Abstract: A cassette containing a group of sealed cells is used as a means for delivering doses of fluid to be injected into a sterilizing chamber. After the cassette is automatically positioned over a piercing mechanism, the cassette is moved downwardly so that a cell is pierced. Fluid is then forced out of the cell by pneumatic pressure into an injector valve, which opens in a manner which does not adversely affect a vacuum within the chamber.
    Type: Grant
    Filed: December 8, 1988
    Date of Patent: February 13, 1990
    Assignee: Surgikos, Inc.
    Inventors: Harold R. Williams, Robert M. Spencer
  • Patent number: 4817367
    Abstract: Apparatus for manufacturing gelatin capsules and method therefor are provided. The apparatus comprises a gelatin sheet forming mechanism which includes a rotatable cooling drum, a gelatin capsule forming mechanism which includes a pair of die rolls and a gelatin capsule recovery mechanism. The inner space of the cooling drum is provided with a coolant. The thickness of the gelatin sheet and the gap between the die rolls are numerically indicated respectively. The driving mechanism for the gelatin capsule recovery mechanism is independent from the other driving mechanism provided in the apparatus.
    Type: Grant
    Filed: August 10, 1987
    Date of Patent: April 4, 1989
    Assignee: Sankyo Co., Ltd.
    Inventors: Toshimitsu Ishikawa, Katsuhide Tamura
  • Patent number: 4782647
    Abstract: Methods are provided for producing flexible packages and particularly transdermal medication patches. The method includes the continuous and rapid production of a plurality of such packages while continuously treating one portion of the laminate forming the package by corona discharge in order to modify the surface adhesion properties thereof to provide, simultaneously, a proper seal of a transdermal membrane in the laminate forming the package, while maintaining the desired medication dispensing properties thereof.
    Type: Grant
    Filed: October 8, 1987
    Date of Patent: November 8, 1988
    Assignee: Becton, Dickinson and Company
    Inventors: Joel L. Williams, Walter P. Miller, III
  • Patent number: 4614076
    Abstract: Methods and apparatus are provided for the continuous and rapid production of a plurality of flexible packages containing a non-solid substance such as an ointment, by continuously forming and vacuum sealing the packages from two webs of material in the nip of cooperating roller surfaces. The packages each contain a precise quantity of medication which may be, for example, the kind of medication which is self-administered by the user by transdermal application. The method and apparatus herein joins together two specially prepared webs of material continuously drawn from supply rolls while at the same time incorporating and vacuum sealing a desired quantity of the medication therebetween.
    Type: Grant
    Filed: May 23, 1985
    Date of Patent: September 30, 1986
    Assignee: Becton, Dickinson and Company
    Inventor: John W. Rathemacher
  • Patent number: 4609417
    Abstract: The two halves of medicine-filled, gelatin capsules are fitted together and passed through a field of microwave energy to selectively melt the overlapping portions of the two halves whereby they become sealed together when the capsules are removed from the microwave energy field and permitted to cool.
    Type: Grant
    Filed: March 26, 1984
    Date of Patent: September 2, 1986
    Assignee: Microdry Corporation
    Inventor: Franklin J. Smith
  • Patent number: 4571924
    Abstract: A method and apparatus for making a porous laminated sheet product having upper and lower web members connected about their periphery and having at least one compartment formed therein, and containing a predetermined quantity of inner product within such compartment. In a preferred embodiment, the apparatus includes a pouch-forming surface having at least one inner product loading area formed therein which further includes a cavity surrounded by peripheral land areas, a passageway adapted to place the product loading area cavity in fluid communication with a vacuum source such that suction can be selectively applied to the cavity, and one or more apertures formed through the peripheral land areas and adapted to be selectively placed in fluid communication with a source of pressurized air whereby outward air flow can emanate from the peripheral land areas.
    Type: Grant
    Filed: April 29, 1985
    Date of Patent: February 25, 1986
    Assignee: The Procter & Gamble Company
    Inventor: Abdul S. Bahrani
  • Patent number: 4567714
    Abstract: Apparatus and method for forming sealed pharmaceutical capsules containing precisely compacted charges of a powdered material. A pair of substantially cylindrical sealing rolls are arranged in nipping relationship for directing a pair of webs of gelatin material along predetermined paths between the nip of the sealing rolls. For each sealing roll there is provided a powder supply hopper which contains a supply of powdered material and a cylindrical roll rotatably mounted adjacent the supply hopper. The cylindrical roll has chambers extending radially inwardly from the surface thereof for receiving therewith powdered material as the cylindrical roll rotates past the supply hopper. A compaction mechanism is associated with each cylindrical roll for compacting the predetermined charge of powdered material in the chambers so as to form a compacted slug.
    Type: Grant
    Filed: October 6, 1983
    Date of Patent: February 4, 1986
    Inventor: Sydney A. Chasman
  • Patent number: 4375146
    Abstract: A method of packaging and machine capable of continuously forming an array of packages from a double web film. A first web is fed over a rotating thermoforming drum which vacuum forms a plurality of pouches for receiving a product to be packaged, and a second web, maintained under constant pressure, is progressively disposed in sealing relation to the peripheral edges of the formed pouches in the first web as the pouches approach a vertical position while the product is simultaneously introduced into the progressively formed package at a rate not exceeding the volume of the package as it is formed.
    Type: Grant
    Filed: March 27, 1981
    Date of Patent: March 1, 1983
    Assignee: International Automated Machinery, Inc.
    Inventor: Yun H. Chung
  • Patent number: 4364220
    Abstract: The invention relates to a sheet metal container adapted so that it can withstand an internal pressure. The container comprises two combined shell-shaped cavities, compression-moulded from the same web which cavities are brought together as the web is doubled along pre-impressed folding lines in two steps, namely a first step wherein the longitudinal edges of the web are joined together to form a tube of an elongated, substantially triangular cross-section, and a second step when the tube formed, after the contents have been introduced, is pressed flat and is sealed around the shell-shaped cavities. Finally the web is cut or punched around the hollow bodies formed by the shell-shaped portions to form a flange, closed in itself, which flange is folded down or beaded.
    Type: Grant
    Filed: September 8, 1980
    Date of Patent: December 21, 1982
    Assignee: Tetra Pak International AB
    Inventor: Hans A. Rausing