Patents Examined by Michael Lusignan
  • Patent number: 5824364
    Abstract: The present invention relates to a novel composite product which is composed of a fibrocrystalline heterogeneous structure consisting of:on the one hand a plurality of fibers of expanded specific surface area and of hydrophilic character, having a substantial quantity of microfibrils on their surface, andon the other hand crystals of precipitated calcium carbonate (PCC), organized essentially in clusters of granules, the majority of which trap the microfibrils and are joined directly thereto by mechanical bonding.Application to the field of construction materials and papermaking.
    Type: Grant
    Filed: January 22, 1997
    Date of Patent: October 20, 1998
    Assignee: International Paper Company
    Inventors: Laurent Cousin, Fernand Mora
  • Patent number: 5820936
    Abstract: The method for the organoleptic and surface modification of ready-made items of clothing consists of: a first step for preparing a mix of coloring material, a second step for applying the coloring mix on the item by spraying or spreading, a third step for drying the item, a fourth step for covering with a material which provides waterproofing and/or fixes the applied coloring mix, a fifth step for pressing, with heat and in successive stages, the portions constituting the item of clothing, the pressing being adapted to make the fabric fibers and the coloring mix interact stably with each other.
    Type: Grant
    Filed: April 1, 1997
    Date of Patent: October 13, 1998
    Inventor: Mariano Giannotti
  • Patent number: 5820934
    Abstract: The present invention relates to a method for the production of a fiber-reinforced cellulose tube by continuous coating of a fibrous non-woven fabric with an alkaline viscose solution which is neutralized by means of an acid-containing precipitating liquid and is converted into regenerated cellulose, wherein on the path between viscose coating and immersion in the precipitating bath, aqueous, acid-containing precipitating agents are caused to act upon the fresh viscose tube within the tube for the purpose of stiffening and regeneration to form regenerated cellulose, the process being begun with the application of the precipitating liquid directly after conclusion of the embedding of fiber in viscose and the precipitating liquid being guided together with the tube with the aid of optionally fixed internal devices which are designed in such a way that they support the tube that has had precipitating bath applied to it and in the process maintain it in rounded shape, that the length of the inner preliminary prec
    Type: Grant
    Filed: May 9, 1997
    Date of Patent: October 13, 1998
    Assignee: Wolff Walsrode AG
    Inventor: Klaus Basfeld
  • Patent number: 5820941
    Abstract: Apparatus for powder spray coating comprises means (4) for electrostatically-charging powder entrained in air, a conduit (6) for transporting the electrostatically charged powder from the charging means (4) to an internal chamber (12) in a spray head (8), the spray head (8) having at least one passage (16) from the internal chamber (12) to at least one nozzle (17) from which the powder is discharged, and a deflector (18) mounted externally of the spray head (8) and adjacent to the or each nozzle (17) to deflect the discharged powder into a flat spray pattern, the spray head (8) and the flat spray pattern being substantially symmetrical about a common longitudinal axis. The apparatus is particularly suitable for coating a large surface area, or a plurality of small objects hung in a planar array. Preferably multiple triboelectric type charging means (4) are used and a single pump is used to supply powder to the multiple charging means through a common distributor.
    Type: Grant
    Filed: May 28, 1996
    Date of Patent: October 13, 1998
    Assignee: Nordson Corporation
    Inventors: Harry-Graham Felton, Jan Ruud
  • Patent number: 5820940
    Abstract: The method of preparing an adhesive layer on a substrate includes introducing a thermally reactive powder comprising aluminum and a second metal into a plasma torch, wherein the thermally reactive powder is substantially free of binder, additive and contaminant and does not contain a significant amount of intermetallic compound into a plasma torch. An exothermic reaction is initiated within the thermally reactive powders in the plasma torch and the exotherming powders impinge onto a substrate, such that the heat generated by the exothermic reaction is generated predominantly on the substrate.
    Type: Grant
    Filed: June 21, 1993
    Date of Patent: October 13, 1998
    Assignee: Technalum Research, Inc.
    Inventors: Igor Vasilievich Gorynin, Boris Vladimirovich Farmakovsky, Alexander Pavlovich Khinsky, Karina Vasilievna Kalogina, Alfredo Riviere V., Julian Szekely, Navtej Singh Saluja
  • Patent number: 5820938
    Abstract: A method of fluxing a cast light-weight metal substrate for thermally adhering sprayed metallic coatings thereto, comprising: (a) preparing the substrate to be clean of grease and oil and to have a uniform and homogeneous surface energy; (b) electrostatically depositing a dry flux powder coating onto such prepared surface; and (c) thermally depositing melted metal onto and across the flux coated surface to further thermally activate the flux if not already activated, for stripping away any substrate oxides and to thermally metallurgically bond the deposited molten metal to the substrate.
    Type: Grant
    Filed: March 31, 1997
    Date of Patent: October 13, 1998
    Assignee: Ford Global Technologies, INc.
    Inventors: Deborah Rose Pank, Matthew John Zaluzec, Oludele Olusegun Popoola, Robert Edward DeJack, James R. Baughman, David James Cook
  • Patent number: 5817377
    Abstract: The invention comprises a method for applying a curable resin, such as a photosensitive resin, to a substrate such as a papermaker's dewatering felt. The method comprises the steps of providing a substrate; providing a curable liquid resin; providing a second material different from the curable liquid resin; applying the second material to the substrate to occupy at least some of the voids in the substrate intermediate the first and second surfaces of the substrate; applying the curable resin to the substrate; curing at least some of the resin to provide a resin layer on the substrate; and removing at least some of the second material from the substrate, wherein at least some of the second material is removed from the substrate after applying the curable resin to the substrate.
    Type: Grant
    Filed: May 12, 1997
    Date of Patent: October 6, 1998
    Assignee: The Procter & Gamble Company
    Inventors: Paul Dennis Trokhan, John Robert Powers, James Daniel Miller, II, Glenn David Boutilier
  • Patent number: 5811153
    Abstract: Alkoxymetals, .beta.-diketones or metal acetates which are metal compounds corresponding independently to Bi, metallic element A (which is at least one member of the group consisting of Ca, Ba, Sr, Pb and Bi) and metallic element B (which is at least one member of the group consisting of Ti, Nb and Ta) are reacted with alcohols, carboxylic anhydrides, glycols, .beta.-diketones or dicarboxylic acid monoesters to prepare compounds for inclusion in coating solutions for use in forming Bi-based dielectric thin films. The coating solutions are used to produce dielectric thin films or memories.
    Type: Grant
    Filed: April 18, 1997
    Date of Patent: September 22, 1998
    Assignee: Tokyo Ohka Kogyo Co., Ltd.
    Inventors: Akira Hashimoto, Yoshihiro Sawada, Tetsuya Osaka, Ichiro Koiwa, Juro Mita, Takao Kanehara
  • Patent number: 5807604
    Abstract: A method for manufacturing long-lasting decorative items from foliage and other natural plant materials by infusion with an aqueous ethylene glycol solution of tartrazine yellow dye, either singly or with co-dye colorants, about 0.1 to 1.6 g/L dissolved CO.sub.2 and optional low concentrations of a soluble potassium salt, followed by removal of excess solution and application of a topical water-based organic sealant.
    Type: Grant
    Filed: August 27, 1997
    Date of Patent: September 15, 1998
    Assignee: Preserved Botanicals, Inc.
    Inventors: Jeffrey L. Dokkestul, David L. Hauge, Leo A. Ochrymowycz
  • Patent number: 5800907
    Abstract: A lens body or article with lens is produced by forming lens-forming defining lines on the surface of a substrate, coating a lens-forming resin on the surface to thereby allow the lens-forming resin to swell in a convex form between the lens-forming defining lines by means of the repellency of the lens-forming resin with the lens-forming defining lines, and then curing the lens-forming resin. To this method is added a step of providing an image on the substrate to obtain an article with lens having the image. The image can stereoscopically be seen through the article with lens obtained by this method.
    Type: Grant
    Filed: May 23, 1996
    Date of Patent: September 1, 1998
    Assignee: Grapac Japan Co., Inc.
    Inventor: Yoshihide Yumoto
  • Patent number: 5800684
    Abstract: A process for improving the durability of a thin transparent coating deposited on a transparent substrate such as glass for controlling the spectrophotometric properties of said substrate, which consists of the deposition of one thin transparent layer of ZrO.sub.2-x or Zr transparent alloy oxides or a combination of transparent alloys containing ZrO.sub.2-x, according to a physical vapor deposition method that could be the same as the one utilized for the deposition of the base coating, without considerably altering its spectrophotometric features.
    Type: Grant
    Filed: April 16, 1996
    Date of Patent: September 1, 1998
    Assignee: Societa Italiana Vetro - SIV - S.p.A.
    Inventors: Giovanni Gagliardi, Litterio Bolognese
  • Patent number: 5800859
    Abstract: A process for copper coating printed circuit boards is disclosed. The process includes a treating step in which a metal surface is contacted with an adhesion promotion composition material. The adhesion promotion material includes 0.1 to 20% by weight hydrogen peroxide, an inorganic acid, an organic corrosion inhibitor and a surfactant.
    Type: Grant
    Filed: December 11, 1995
    Date of Patent: September 1, 1998
    Inventors: Andrew David Price, Peter Thomas McGrath
  • Patent number: 5800857
    Abstract: A dry preunit (10), includes a plurality of cells (110, 112, 114) in a true bipolar configuration, which are stacked and bonded together, to impart to the device an integral and unitary construction. Each cell (114) includes two electrically conductive electrodes (111A, 111B) that are spaced apart by a predetermined distance. The cell (114) also includes two identical dielectric gaskets (121, 123) that are interposed, in registration with each other, between the electrodes (111A, 111B), for separating and electrically insulating these electrodes. When the electrodes (111A, 111B), and the gaskets (121, 123) are bonded together, at least one fill gap (130) is formed for each cell. Each cell (114) also includes a porous and conductive coating layer (119, 120) that is formed on one surface of each electrode. The coating layer (119) includes a set of closely spaced-apart peripheral microprotrusions (125), and a set of distally spaced-apart central microprotrusions (127).
    Type: Grant
    Filed: September 30, 1996
    Date of Patent: September 1, 1998
    Assignee: Pinnacle Research Institute, Inc.
    Inventors: Nazir Ahmad, Keh-Chi Tsai
  • Patent number: 5798324
    Abstract: An aqueous glass cleaning composition with optimal vertical cling and ease of use properties contains at least one compound selected from the group consisting of nonionic surfactants, linear alcohols, an organic ether having the formula:R.sub.1 --O--R.sub.2wherein R.sub.1 is a C.sub.1 -C.sub.8 linear, branched or cyclic alkyl or alkenyl optionally substituted with --OH, and R.sub.2 is a C.sub.1 -C.sub.6 linear, branched or cyclic alkyl or alkenyl substituted with --OH; a synthetic polymeric agent having a high thickening efficiency; and an anti-streaking alcohol.
    Type: Grant
    Filed: April 5, 1996
    Date of Patent: August 25, 1998
    Assignee: S.C. Johnson & Son, Inc.
    Inventor: George J. Svoboda
  • Patent number: 5798139
    Abstract: An apparatus for manufacturing a plastic container coated with carbon film, which comprises: an external electrode having a hollow space approximately similar to an external shape of the container which is accommodated in the hollow space; an insulating member for insulating the external electrode, a mouth of the container abutting against the insulating member when the container is accommodated in the hollow space of the external electrode; an internal electrode inserted through the mouth of the container into the container accommodated in the hollow space of the external electrode, the internal electrode being earthed; discharging means communicated with the hollow space of the external electrode to discharge air in the hollow space; feeding means for feeding raw gas into the container accommodated in the hollow space of the external electrode; and a high frequency electric source connected to the external electrode.
    Type: Grant
    Filed: April 25, 1997
    Date of Patent: August 25, 1998
    Assignees: Kirin Beer Kabushiki Kaisha, Kabushiki Kaisha Samco International Kenkyusho
    Inventors: Kazufumi Nagashima, Hideaki Shima
  • Patent number: 5794804
    Abstract: A method is provided for reducing particle formation during manufacture of shell caps for containers such as pharmaceutical containers. The method entails providing a solid polymeric coating on substantially all surfaces of the shell caps to form coated shell caps before permitting the coated shell caps to contact each other or other objects. A pharmaceutical container which employs the shell caps also is provided. The container comprises a vial for storing medicinal compositions therein and a shell cap for sealing the vial. The shell cap includes a hollow metallic preform and a solid polymeric coating which substantially completely encapsulates the preform.
    Type: Grant
    Filed: March 31, 1997
    Date of Patent: August 18, 1998
    Assignee: The West Company, Incorporated
    Inventors: James W. Sloan, Charles Papciak, William A. Conard
  • Patent number: 5795623
    Abstract: A cover assembly and methods for covering undersink piping includes insulative cover pieces placed over respective pipe sections such that their ends are adjacent at pipe junctures. Collars are slidable over or inside the cover pieces to be moved to cover the junctures. An alternative cover structure may be wrapped around the pipe juncture to form a generally continuous insulative cover, or alternatively, the fastening structures are insulated such that when the pipe sections are assembled together, the cover pieces and insulating fastening structures form a continuous insulative cover. In an alternative embodiment, one of the cover pieces is dimensioned to slide upwardly and downwardly on a pipe section and a collar structure is placed over the exposed pipe section to provide a continuous cover piece.
    Type: Grant
    Filed: November 3, 1997
    Date of Patent: August 18, 1998
    Assignee: McGuire Manufacturing Co., Inc.
    Inventor: John A. Helmsderfer
  • Patent number: 5795621
    Abstract: An apparatus for simultaneously supplying at least two kinds of particles onto a given surface, includes a movable supply head having at least one partition member for partitioning the at least two kinds of particles and defining at least two supply ports in conjunction with the supply head; and a device for introducing the at least two kinds of particles into the supply head. A patterned shaped article is produced by a method using the apparatus. The method includes simultaneously supplying the two supply ports of the supply head, with the one partition member abutting on the given surface, thereby forming a pattern course on the given surface, and allowing the pattern course to set into an integral mass.
    Type: Grant
    Filed: February 21, 1997
    Date of Patent: August 18, 1998
    Assignee: CCA Inc.
    Inventors: Hiroshi Uchida, Mituhiro Onuki, Hideo Watanabe
  • Patent number: 5792511
    Abstract: A grid for producing a pattern on a surface. The grid includes elongated members connected together at intersections and extending about a plurality of open areas to form a mesh-like structure. Connecting members are connected to the elongated members at the intersections. The connecting members extend outwardly from at least one said elongated member. The connecting members have a thickness less than the thickness of the elongated members. The bottoms of the connecting members and bottoms of the elongated members are flush. The grid is placed on a surface and a liquid coating is spread over the surface in the open areas between the elongated members. The liquid coating is allowed to set. Preferably there is a removable coating on the grid which is removed after the liquid coating is set.
    Type: Grant
    Filed: February 26, 1996
    Date of Patent: August 11, 1998
    Assignee: IPC Techniques Inc.
    Inventors: Gerry Bill Oliver, Bruce Lorning Burton
  • Patent number: 5789359
    Abstract: The detergent of this invention, directed to the cleaning of an object having a gap portion at least in part thereof, contains at least one of components of the detergent having a solubility parameter difference of not more than 3 from and a contact angle within 15.degree. with at least one of components of a smear on the object. The detergent provides an ideal cleaning for the object because it easily permeates into and dissolves the machining oil filling the gaps between closely cohering thin metallic strips. The method of cleaning according to the invention has first cleaning the object with a polar detergent and then rinsing and drying the cleaned object with a detergent having low polarity or no polarity. In the precision cleaning of such objects as electronic parts, therefore, it manifests satisfactory cleaning and drying properties.
    Type: Grant
    Filed: April 2, 1996
    Date of Patent: August 4, 1998
    Assignees: Kabushiki Kaisha Toshiba, Toshiba Silicone Co., Ltd.
    Inventors: Hiroshi Shimozawa, Masaru Kumagai, Fumihiko Tsuchitani, Mayumi Koga, Tadayuki Nakamura, Nobuhiro Saitoh, Shigeo Yamafuji