Patents Represented by Attorney Joseph J. Kelly

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  • Heat insulated conduit especially suitable for carrying high temperature fluids
    Patent number: 4130140
    Abstract: A conduit especially suitable for carrying high temperature fluids is disclosed herein and includes an outer casing, a concentric inner core and an intermediate concentric layer of insulation material. The conduit also includes what may be referred to as a pressure relief valve located through the outer casing of the conduit and extending into the concentric layer of insulation material. In the event that the fluid finds its way into this layer of insulation material and in the event it expands, the pressure relief valve provides a readily available passage to the ambient surroundings for the expanding fluid.
    Type: Grant
    Filed: October 8, 1976
    Date of Patent: December 19, 1978
    Assignee: Johns-Manville Corporation
    Inventors: Ronald N. Cerny, Walter B. Peters, Thomas H. Sadler, Peter Rodrigo, George M. Mollick
  • Fibrous mat especially suitable for roofing products and a method of making the mat
    Patent number: 4129674
    Abstract: An economical and uniform fibrous glass mat displaying improved tear strength and a wet forming process of making such a mat is disclosed herein. The mat, which is especially suitable as a carrier material in the manufacture of asphalt shingles or other such roofing products, includes a web of base fibers comprising individual monofilament glass fibers and reinforcement fibers in the form of glass fiber bundles interspersed throughout the web in a randomly oriented pattern. The mat also includes a binder substance to assist in holding the base fibers and reinforcement fiber bundles together.
    Type: Grant
    Filed: August 9, 1976
    Date of Patent: December 12, 1978
    Assignee: Johns-Manville Corporation
    Inventors: George J. Hannes, Theodore R. Rohweder, Hans W. Dreikorn, Philip B. Shepherd
  • High density asbestos-free tobermorite thermal insulation containing wollastonite
    Patent number: 4128434
    Abstract: A high density thermal insulation material is described, consisting essentially of 15 to 40 parts lime, 20 to 40 parts silica or other silicious material, 15 to 40 parts wollastonite, all slurried in water, then compressed to a shape retaining body of at least 20 pcf density and indurated to form an asbestos-free, wollastonite-reinforced, tobermorite calcium silicate hydrate matrix thermal insulation.
    Type: Grant
    Filed: June 23, 1977
    Date of Patent: December 5, 1978
    Assignee: Johns-Manville Corporation
    Inventor: Walter G. Pusch
  • Perlitic insulating board
    Patent number: 4126512
    Abstract: A thermal insulating board product, comprising expanded perlite, fibers, and bituminous material, also includes a relatively small amount of starch binder.
    Type: Grant
    Filed: November 26, 1973
    Date of Patent: November 21, 1978
    Assignee: Johns-Manville Corporation
    Inventor: John A. Hill
  • Refractory fiber blanket module with increased insulation
    Patent number: 4123886
    Abstract: Existing refractory fiber blanket furnace lining systems receive a layer of high temperature ceramic fiber blanket or felt on an inner surface portion, or hot face, thereof exposed to interior conditions of the furnace. The layer is attached to the module by being sewn thereto with continuous filament ceramic fiber thread. The layer can be added to increase insulation capacity on lower temperature furnace insulation or to repair damaged insulation in a furnace.
    Type: Grant
    Filed: January 7, 1977
    Date of Patent: November 7, 1978
    Assignee: Johns-Manville Corporation
    Inventor: Carlisle O. Byrd, Jr.
  • Method and apparatus for producing blankets of mineral fibers
    Patent number: 4120676
    Abstract: A machine for forming mineral fibers into mats or blankets comprising a plurality of modules each including primary fiber formers, fiber attenuation means, binder applicators, and fiber collectors to produce continuous lengths of mat. A common conveyor is adapted to receive the mats of each module at spaced mat receiving stations along its length. The common conveyor receives the uncured mats in juxtaposition to each other and conveys them to stations for further processing. Each module is adapted to operate and be taken off or put on line without disruption of the operation of the other modules. Each includes a scrap conveyor for primary fibers, a fiber collection conveyor cleaning means for the conveyor and a suction box all of which are shielded from the common conveyor to avoid contamination of the mat on the common conveyor.
    Type: Grant
    Filed: March 20, 1972
    Date of Patent: October 17, 1978
    Assignee: Johns-Manville Corporation
    Inventors: William Peter Hahn, Edward Lee Hite, Donald Eugene Shisler, Charles Donald Simmers
  • Insulation system for building structures
    Patent number: 4117641
    Abstract: Building structures, such as pre-engineered metal buildings, concrete buildings, and combination concrete and metal buildings in most areas require insulation due to the relatively high thermal conductance of the metal and concrete components in the builing structure, wall, and roof. Because of energy conservation measures brought on by fuel shortages and rapidly rising fuel costs, insulation systems used in the past are generally not adequate to meet more stringent standards either recently established or planned for the near future. The present invention provides an improved insulation system for use in either new constuction or in reinsulating existing building structures.
    Type: Grant
    Filed: March 11, 1977
    Date of Patent: October 3, 1978
    Assignee: Johns-Manville Corporation
    Inventor: David Lee Wells
  • Manufacture of perlite insulating board on a cylinder machine
    Patent number: 4118273
    Abstract: Perlite insulation board is produced on a rotary vacuum forming machine utilizing an aqueous slurry containing ultrafine perlite particles. The fine perlite particles slow down the rate of stock deposition on the facing wire of the rotary vacuum former, and permit the rotary vacuum former to operate at a desirable forming speed.
    Type: Grant
    Filed: September 20, 1974
    Date of Patent: October 3, 1978
    Assignee: Johns-Manville Corporation
    Inventors: Gilbert Godin, Fred C. Norgard
  • Alkali-resistant glass fiber composition
    Patent number: 4118239
    Abstract: An alkali-resistant fiberizable glass composition is disclosed, comprising, in parts by weight, SiO.sub.2, 50-60 parts; Al.sub.2 O.sub.3, 1-11 parts; ZrO.sub.2, 4-10 parts; ZnO, 0.5-7 parts; at least one Group IA oxide, 10-19 parts; and at least one Group IIA oxide, 3-15 parts. Glass fiber of this composition is also disclosed, as is a Portland cement matrix reinforced with a plurality of such fibers.
    Type: Grant
    Filed: September 6, 1977
    Date of Patent: October 3, 1978
    Assignee: Johns-Manville Corporation
    Inventor: Lawrence Vincent Gagin
  • Luminaire arrangement
    Patent number: 4117534
    Abstract: A luminaire arrangement including a guard for protecting a linear light source is disclosed. The guard includes a plurality of wire-like elements. These elements are positioned relative to the linear light source of the luminaire arrangement in such a manner that none of the elements, as defined herein, is coplanar with the light source.
    Type: Grant
    Filed: January 17, 1977
    Date of Patent: September 26, 1978
    Assignee: Johns-Manville Corporation
    Inventor: Herbert Arnold Odle
  • High density asbestos-free tobermorite thermal insulation containing wollastonite
    Patent number: 4111712
    Abstract: A high density thermal insulation material is described, consisting essentially of, in parts by weight, 15 to 35 parts of lime, 15 to 35 parts of silica or other siliceous material, 40 to 70 parts of wollastonite, and 1 to 10 parts of organic fiber, and where the wollastonite content is at least 40 percent by weight of the total weight of solids, all slurried in water, then compressed to a shape-retaining body of at least 20 pcf density and indurated to form an asbestos-free, wollastonite-reinforced, crack-resistant tobermorite calcium silicate hydrate matrix thermal insulation.
    Type: Grant
    Filed: January 30, 1978
    Date of Patent: September 5, 1978
    Assignee: Johns-Manville Corporation
    Inventor: Walter George Pusch
  • Friction material for railroad disc brakes
    Patent number: 4111891
    Abstract: A railroad disc brake shoe composition is disclosed comprising, in parts by weight:Phenolic resin binder: 25-35 partsCarbonaceous component: 2-12 partsAsbestos fiber: 35-50 partsSilicon carbide: 0.
    Type: Grant
    Filed: November 12, 1976
    Date of Patent: September 5, 1978
    Assignee: Johns-Manville Corporation
    Inventor: Harold John Reynolds, Jr.
  • Packaging asbestos fibers
    Patent number: 4111113
    Abstract: Disclosed is a method of packaging asbestos fibers wherein damp asbestos fibers are consolidated into blocks having a density of at least about 100 lbs./cu. ft. (PCF). These blocks can then be stacked on pallets, pulpable pallets if desired, and secured to said pallet with various means, for example with a shrink film, to produce a clean, compact package. At the point of use, the blocks are disintegrated using a block-breaker and the resultant pieces are then opened into a loose mass of asbestos fibers in a conventional opening apparatus.
    Type: Grant
    Filed: September 17, 1976
    Date of Patent: September 5, 1978
    Assignee: Johns-Manville Corporation
    Inventor: Gerard Lucien Lambert
  • Cooking oil treating system and composition therefor
    Patent number: 4112129
    Abstract: A composition is disclosed which is useful for reduction (by as much as 50% or more) of the rate of free fatty acid buildup and color degradation in cooking oils in fast food outlets and other eating establishments. The composition consists essentially of three specifically defined components: 47 to 59 parts by weight diatomite, 28 to 36 parts by weight synthetic calcium silicate hydrate, and 12 to 24 parts by weight synthetic magnesium silicate hydrate. Also disclosed is a process for achieving such reduction by treating the oil (as by filtering) with the composition.
    Type: Grant
    Filed: September 14, 1977
    Date of Patent: September 5, 1978
    Assignee: Johns-Manville Corporation
    Inventors: Willard John Duensing, Christian John Miga
  • Fibrous mat especially suitable for roofing products
    Patent number: 4112174
    Abstract: An economical and uniform fibrous glass mat displaying improved tear strength and a wet forming process of making such a mat is disclosed herein. The mat, which is especially suitable as a carrier material in the manufacture of asphalt shingles or other such roofing products, includes a web of base fibers comprising individual monofilament glass fibers and reinforcement fibers in the form of glass fiber bundles interspersed throughout the web in a randomly oriented pattern. The mat also includes a binder substance to assist in holding the base fibers and reinforcement fiber bundles together.
    Type: Grant
    Filed: July 21, 1976
    Date of Patent: September 5, 1978
    Assignee: Johns-Manville Corporation
    Inventors: George John Hannes, Theodore Richard Rohweder, Hans Wendell Dreikorn, Philip Bickford Shepherd
  • Fire resistant plywood
    Patent number: 4110513
    Abstract: A plywood body is disclosed which comprises at least two plies of wood bonded together with a phenolic resin adhesive having platey talc incorporated therethrough in amounts of about 5 to 200 parts by weight per 100 parts by weight of resin. Such plywood bodies (particularly boards) have significantly greater fire resistance than do plywood bodies containing conventional phenolic adhesives.
    Type: Grant
    Filed: October 4, 1976
    Date of Patent: August 29, 1978
    Assignee: Johns-Manville Corporation
    Inventors: Glenn A. Heitmann, Milton F. Trosper, Jr.
  • Process for recovering platinum group metals from ores also containing nickel, copper and iron
    Patent number: 4108639
    Abstract: A process is described for the separation of platinum group metals (PGM) from ores also containing iron, nickel and copper as sulfides. The minerals in the ore are first concentrated by flotation and the ore concentrate is melted in an electric furnace to form a matte containing at least 95% of the precious metals. The matte is granulated while molten to granules of a mean size not greater than about 210 micrometers (.mu.m) and then pressure leached with sulfuric acid and oxygen to separate the nickel, iron and copper as their respective sulfates, while recovering the PGM as a residue. Concentration of the leach residue by roasting and subsequent acid leaching yields a final PGM product containing the major portion of the precious metals in the ore and substantially all (i.e., at least about 95%) of the precious metals in the ore concentrate and which contains less than 1% total nickel, iron and copper.
    Type: Grant
    Filed: May 4, 1977
    Date of Patent: August 22, 1978
    Assignee: Johns-Manville Corporation
    Inventors: Malcolm John Lake, William Richard Noble Snelgrove
  • Method of coating strand material
    Patent number: 4101695
    Abstract: A method of applying liquid material, for example, liquid resin, to elongated material, for example glass fiber strands, includes maintaining a supply of the liquid resin in a container and using a partially immersed roller for transferring some of it from the container to a stationary, preferably flat, surface which is positioned out of direct contact with the resin supply. The glass fiber strands are moved over the stationary surface and through the liquid resin thereon. An assembly for accomplishing this is also disclosed herein.
    Type: Grant
    Filed: February 28, 1977
    Date of Patent: July 18, 1978
    Assignee: Johns-Manville Corporation
    Inventor: Robert Lee Batts
  • Radially expansible collet for a tubular sleeve
    Patent number: 4101085
    Abstract: A radially expansible supporting collet for a tubular light-weight sleeve upon which a continuous filament, yarn, or roving may be wound. The collet comprises a plurality of axially extending, sleeve contacting bars carried on a generally cylindrical body which is rotated on its normal axis. At least one generally annular, closed, pneumatically expansible bladder is carried by and rotates with the body. The bladder is located inwardly of the bars and may be connected to a source of air under pressure. When the bladder is expanded by the air, it presses outwardly against the bars to move them radially outwardly against the interior of the sleeve in order to hold the sleeve concentric with the axis of the body, to prevent its axial movement and to transmit torque to the sleeve.
    Type: Grant
    Filed: June 28, 1976
    Date of Patent: July 18, 1978
    Assignee: Johns-Manville Corporation
    Inventor: David Michael Arno
  • Thermally insulating duct liner
    Patent number: 4101700
    Abstract: Disclosed herein is a flexible thermally insulating duct liner comprising a fibrous thermal insulation layer having an organic fibrous layer having an open structure bonded to its working face, the working face being thereafter coated with a flame retardant vinyl polymer containing coating. The duct liner of the present invention has an extremely smooth surface which reduces air friction to a minimum. Still the product is very flexible, easy to work with, and resistant to delamination or working surface failure.
    Type: Grant
    Filed: March 12, 1976
    Date of Patent: July 18, 1978
    Assignee: Johns-Manville Corporation
    Inventors: Richard James Ray, Jr., Daniel Paul Kopy, Theodore Richard Rohweder