US3776382A - Adjustable tensioning device for circular screens - Google Patents

Adjustable tensioning device for circular screens Download PDF

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Publication number
US3776382A
US3776382A US00355916A US3776382DA US3776382A US 3776382 A US3776382 A US 3776382A US 00355916 A US00355916 A US 00355916A US 3776382D A US3776382D A US 3776382DA US 3776382 A US3776382 A US 3776382A
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US
United States
Prior art keywords
assembly
tensioning
ring
screen
support ring
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
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US00355916A
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English (en)
Inventor
E Wright
J Angstadt
O Krolopp
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Blaw Knox Co
Blaw Knox Corp
Original Assignee
Blaw Knox Food and Chemical Equipment Co
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Blaw Knox Food and Chemical Equipment Co filed Critical Blaw Knox Food and Chemical Equipment Co
Application granted granted Critical
Publication of US3776382A publication Critical patent/US3776382A/en
Assigned to BLAW-KNOX COMPANY reassignment BLAW-KNOX COMPANY MERGER (SEE DOCUMENT FOR DETAILS). EFFECTIVE DEC. 26, 1978. DELAWARE Assignors: AETNA-STANDARD ENGINEERING COMPANY, BLAW-KNOX CONSTRUCTION EQUIPMENT, INC.,, BLAW-KNOX EQUIPMENT, INC., BLAW-KNOX FOOD & CHEMICAL EQUIPMENT, INC., BLAW-KNOX FOUNDRY & MILL MACHINERY, INC., COPES-VULCAN, INC.
Assigned to WHITE CONSOLIDATED INDUSTRIES, INC. reassignment WHITE CONSOLIDATED INDUSTRIES, INC. MERGER (SEE DOCUMENT FOR DETAILS). EFFECTIVE DEC. 26, 1978 DISTRICT OF COLUMBIA Assignors: ATHENS STOVE WORKS, INC., BLAW-KNOX COMPANY, BULLARD COMPANY THE, DURALOY BLAW-KNOX, INC., FAYSCOTT, INC., GIBSON PRODUCTS CORPORATION, HUPP, INC., JERGUSON GAGE & VALVE COMPANY, KELIVINATOR INTERNATIONAL CORPORATION, KELVINATOR COMMERCIAL PRODUCTS, INC., KELVINATOR, INC., R-P & C VALVE, INC., WHITE SEWING MACHINE COMPANY, WHITE-SUNDSTRAND MACHINE TOOL, INC., WHITE-WESTINGHOUSE CORPORATION
Assigned to BLAW KNOX CORPORATION, A CORP OF DELAWARE reassignment BLAW KNOX CORPORATION, A CORP OF DELAWARE ASSIGNMENT OF ASSIGNORS INTEREST. Assignors: WHITE CONSOLIDATED INDUSTRIES, INC., A CORP OF DE.
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
    • B07B—SEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
    • B07B1/00—Sieving, screening, sifting, or sorting solid materials using networks, gratings, grids, or the like
    • B07B1/46—Constructional details of screens in general; Cleaning or heating of screens
    • B07B1/48—Stretching devices for screens
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
    • B07B—SEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
    • B07B1/00—Sieving, screening, sifting, or sorting solid materials using networks, gratings, grids, or the like
    • B07B1/46—Constructional details of screens in general; Cleaning or heating of screens
    • B07B1/48—Stretching devices for screens
    • B07B1/49—Stretching devices for screens stretching more than one screen or screen section by the same or different stretching means

Definitions

  • the annular clamping and tensioning assembly is comprised of a clamping ring and a tensioning ring.
  • the support ring is adapted to be positioned and held within the housing of the sifter assembly.
  • the clamping ring circumferentially secures the screen to the tensioning ring with the resulting annular clamping and tensioning assembly being positioned about the support ring with adjustable fixing means.
  • Tensioning of the circular screen is effected either by the horizontal or vertical displacement of the annular clamping and assembly with reference to the support ring about a plurality of points about the rings.
  • Screening machines or apparatus are provided with drive means to move the screening surface and may beclassified or divided into classes. generally according to the motion-thereof, i.e'.,'revolving screens, shaking'screens, vibrating screens, and oscillating screens.
  • the present invention relates to screen ing assemblies having as a screening surface a woven material, such as wire, silk, cloth and the like.
  • a circular screening machine or apparatus is generally comprised of at least one circular screen frame or a plurality of circular screen frames having a permanently affixed screening surface of a desired mesh and face of a circular screen frame assembly of a circular screening apparatus.
  • a novel circular screen frame assembly I comprised of a screen, a support ring and an annular clamping and tensioning assembly.
  • the annular clamping and tensioning assembly is comprised of a clamping ring and 'a tensioning ring.
  • the support ring is adapted to be positioned and held within the housing of the sifter assembly.
  • the clamping ring circumferentially secures the screen to the tensioning ring with the resulting annular clamping and tensioning assembly being positioned aboutthe support ring withadjustable fixing means.
  • Tensioning of the circular screen is effected either by horizontal or vertical displacement of the. annular clamping and assembly with reference to the support ring about a plurality of points about the rings, as more fully hereinafterdiscussed.
  • the particulate material to be classified is introduced into the housing of the vessel moving about a generally horizontal plane to cause the material to pass over the screen to effect size separation.
  • the screen is tensioned during'construction and prior to positioning the screen frame within the housing of the vessel, and after a predetermined period of time the screen frame is withdrawn and returned to the manufacturer for re-screening or re-adjustment', if possible, of the screen tension, pro vided the screening surface is in satisfactory condition.
  • An object of the present invention is to provide a novel circular screen frame assembly 'for a circular screening machine or apparatus.
  • Another object of the present invention is to provide horizontal and vertical axis of the mesh maybe effected a novel circular screen' frame assembly including a screen capable of being readily tensioned in situ or proximate to the screening apparatus.
  • FIG. 1 is a plane view of a rotary screening apparatus, such as a sifter;
  • FIG. 2 is an enlarged partial cross-sectional view of a circular screen frameassembly illustrating one embodiment of the present invention
  • FIG. 3 is a partial top view of the circular screenframe assembly of FIG. 2;
  • I FIG. 4 is an enlarged partial cross-sectional view of a circular screen frame assembly illustrating another embodiment of the present invention;
  • FIG. 5 is an enlarged cross-sectional view of a circular screen frame assembly illustrating still another embodiment of the present invention.
  • FIG. 6 is an enlarged cross-sectional view of a circular screen frame assembly illustrating a still further embodiment of the present invention.
  • FIG. 7 is an enlarged partial cross-sectional view of a circular screen frame assembly illustrating another embodiment of the present invention.
  • FIG. 1 there is illustrated a rotary sifter assembly, generally indicated as 10, and comprised of a domed cover 12, upper and lower cylindrical wall members 14 and 16, and a bottom 18.
  • the cover 12 and bottom 18 are affixed to the cylindrical wall members 14 and 16, respectively, by means known tothose skilled in the art, such as by welding, to provide a pressure tight vessel.
  • the upper and lower cylindrical wall members 14 and 16 are-fixedly positioned to each other by means of a replaceable clamping ring 20, as more fully hereinafter discussed.
  • the cover 12 is provided with a centrally located inlet conduit 22 adapted for connection to a source of particulate material to be classified with a suitable flexible coupling (not shown).
  • the upper and lower cylindrical wall members l4 and ,16 are provided with outlet conduits 24 and 26, respectively.
  • the outlet conduit 24 provides a means for withdrawing the oversizcd or plus portions of the particulate material whereas the outlet conduit 26 provides a means for withdrawing the undersized or minus portions of the particulate material.
  • the screening apparatus is mounted to a gyratary drive assembly, generally indicated as 28, driven by a suitable drive means (not shown) and positioned on a support platform.
  • a circular screen frame assembly generally indicated as 32, and comprised of a screen 34, an L- shaped support ring 36, and a screen clamping and tensioning assembly, generally indicated as 38.
  • the L- shaped support ring 36 is formed of a vertical leg 40 and a horizontal leg 42 having a plurality of evenly spaced orifices 44 formed thereabout, as more fully hereinafter discussed.
  • the end portion of the horizontal leg 42 is positioned within outwardly extending flange portions 14a and 16a of cylindrical wall members l4 and 16, respectively, and is held in place by the replaceable clamping ring 20.
  • An O-ring 46 is disposed between suchend portion of the horizontal leg 42 and the replaceable clamping ring to provide for a pressure tight apparatus.
  • the screen clamping and tensioning assembly 38' is comprised of a tensioning ring 50 having a plurality of evenly spaced orifices 52 formed therein, and a clamping ring 54 having a plurality of evenly spaced tapped orifices 56, and a securing means, such as headed bolts 58 and self-locking nuts 60 positioned within the orifices in the tensioning and clamping rings 50 and 54.
  • the tensioning ring 50 is formed with an inner gener ally J-shaped channel to receive the generally U-shaped outer surface of the clamping ring 54.
  • the tensioning ring 50 is formed with a shorter leg 62 thereof having an inner tapered surface 64 to receive a tapered outer surface 66 of the clamping ring 54, as more fully hereinafter described.
  • the screen frame assembly 32 is assembled prior to positioning within the housing of the sifter l0.
  • the circular shaped screen 34 is provided with a plurality of orifices (not shown) evenly spaced about the periphery thereof in coincident relationship to the orifices 56, 52 and 44 formed within the clamp ing ring 54, the tensioning ring 50 and the support ring 36, respectively.
  • Bolts 58 are threaded into the tapped orifices 56 of the clamping ring 54 and the orifices of the screen 34 positioning about the threaded portion thereof.
  • the orifices 52 of the tensioning ring 50 are positioned about the threaded portion of the bolts 58 and nuts 60 evenly threaded thereon to cause the clamping ring 54 to move into the J-shaped channel 8 of the retaining ring 50.
  • the next step of assembling the circular screen frame assembly is to insert the threaded portion of the bolts 58 within the orifices 44 formed in the horizontal leg 42 of the supporting ring 36 and securely threading the self-locking nuts 68 about the threaded portion of the bolt 58. Thereafter rotational force is applied to the bolts 68 with tension testing until the screen 34 is properly tensioncd.
  • assembly of the screening frame 32 as well as tensioning of the screen 34 may be accomplished in an area proximate to the screening apparatus 10, as distinguished from circular screen frame assemblies of the prior art which are manufactured and tensioned in a separate facility generally remote from the screening apparatus.
  • the screen frame assembly 32 is now ready for positioning within the screening apparatus 10.
  • the horizontal leg 42 of the support ring 36 is positioned on the upper surface of the outwardly flanged portion 16a of the cylindrical wall 16, with an O-ring seal 46 being thereafter disposed about the outer portion of the horizontal leg 42.
  • the upper cylindrical member 14 is thereafter positioned over the lower ey lindrical member 16 with the outwardly extending flange portion 14a of the member 14 being positioned about the top surface of the horizontal leg 42.
  • a removable clamping ring 20 is fixedly positioned about the outwardly extending section formed by the legs 14a and 16a of the cylindrical section to form a pressure tight screening apparatus.
  • tensioning of the screen 34 of the circular screen frame assembly 32 may be readily effected after a predetermined on-line operation by removing the replaceable ring 20 and upper cylindrical member 14 of the assembly thereby permitting removal of the circular screen frame assembly 34.
  • Tensioning of the screen 34 maybe readily effected proximate to the screening assembly on appropriate support forms.
  • the screen 34 may be tensioned in situ by the use of an alternate bolt and nut configuration as well as the alteration tapped and untapped orifices. For example by providing a capped screw head bolt 58 would permit the tensioning of the screen 34 while positioned within the screening assembly by turning the cap screws 58 thereby vertically adjusting theclamping and tensioning assembly 32 to provide in situ tensioning.
  • tensioning of the screen 34 is effected at the tangent points of the filaments forming the mesh thereby preventing the spreading of the mesh orifices at the points tangential to the upper portion of the upper leg 40 of the support ring 36.
  • FIG. 4 is another embodiment of the present invention for a screen frame assembly, generally indicated as 432, including a sifting screen 434, support ring 436, and an annular clamping and tensioning assembly, generally indicated as 438.
  • the support ring 436 is generally T-shaped having vertical leg 440 disposed generally intermediate with horizontal legs 442a and 442k.
  • the vertical leg 440 is provided with a'plurality of evenly spaced and-tapped orifices 480 about the circumference thereof.
  • the screen 434 is positioned over the vertical leg 440 of the support ring 436 between a clamping ring 45.4 which is affixed to the vertical leg ,440, such as by flat-headed screws 482.
  • the horizontal leg 442a of the support ring 436 is provided with a plurality of evenly spaced tapped orifices 444.
  • a tensioning ring 450 is disposed about the inner surface of the vertical leg 440' above the horizontal leg 442a and may be vertically displaced by a knurl-headed threaded fastener 484 threaded in the orifice 444 and held in place by a jam nut 486.
  • the screen 434 may be properly tensioned by selective turning of the threaded fasteners 458.
  • FIG. 5 illustrates still another embodiment of the present invention of a circular screen frame assembly.
  • 532 comprised of a sifting screen 534, a J-shaped support ring 536 and a screen clamping and tensioning assembly, generally indicated as 538.
  • the support ring 536 is provided with a plurality of evenly spaced tapped orifices 544 and is comprised of a horizontal leg 542, a vertical leg 540 and a shortened horizontal leg 580 extending parallel to the leg 540.
  • the screen 534 is disposed between the leg 542 of the support ring 536 and a clamping ring 554 affixed thereto bythreaded fasteners 582.
  • a tensioning ring 550 of the hose clamp type is positioned about a portion of the screen disposed between the horizontal legs 542 and 580 of the support ring 536. Tensioning of the screen 534 is effected by tightening the draw v band (not shown) of the tensioning ring 550.
  • FIG. 6 is similar to the embodi ment of FIG. 4 except that the tensioning ring 650 is formed of an inflatable circular rubber tube and is posi tioned on a horizontal leg 642a of the support ring 636. Tensioning is effected by inflating the rubber tube.
  • FIG. 7 is similar to the embodiment of FIG. 5, except that a Z-shaped ring 790 is positioned about the support ring 736 and is affixed thereto by threaded fasteners 792 disposed within tapped orifices 794 evenly spaced about the leg 742 of the supmetals, plastics, and the like. It is understood that acombination of such materials is also contemplated, e.g., plastic coated metals.
  • a circular screen frame assembly for a circular screening assembly which comprises:
  • leg means of said support ring means is vertical leg 7 means thereof and is affixed by a plurality of threaded fastener means.
  • leg means of said support ring means is a horizontal leg means thereof and is affixed by a plurality of threaded fastener means.
  • clamping ring means is disposed between said horizontal leg means of said support ring means and a vertically extending leg means therefor and said clamping ring means is radically adjustable.

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  • Combined Means For Separation Of Solids (AREA)
US00355916A 1973-04-30 1973-04-30 Adjustable tensioning device for circular screens Expired - Lifetime US3776382A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US35591673A 1973-04-30 1973-04-30

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US (1) US3776382A (fr)
BE (1) BE807082A (fr)
FR (1) FR2187426B3 (fr)

Cited By (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS51122461U (fr) * 1975-03-31 1976-10-04
US4148724A (en) * 1977-12-13 1979-04-10 Hannon Electric Company Wedge-type tensioning rail construction for electrically heated screens
US4710051A (en) * 1984-12-06 1987-12-01 Karmazin Jan E L Device for fastening a closed casing
US4816153A (en) * 1986-06-17 1989-03-28 Kanzaki Paper Manufacturing Co., Ltd. Frame member for pressurized screening device
US5423430A (en) * 1994-04-25 1995-06-13 Zaffiro; Jerry "Mega Bucks" rocker bucket gold recovery system
US5582104A (en) * 1992-03-16 1996-12-10 Printron, Inc. Apparatus and process for screen printing
US5819651A (en) * 1993-05-12 1998-10-13 Zeltra, Podjetje Za Projektiranje, Proizvodnjo In Trgovino Elektrotehnike,Naklo,D.O.O. Clamping-stretching system for stencils for screen printers,with printing table for PC boards
US20080047184A1 (en) * 2006-08-24 2008-02-28 Eric Dean Outdoor advertising system
US20090316260A1 (en) * 2008-05-08 2009-12-24 Alex Howes Projection Screen and Method of Constructions
US20140144725A1 (en) * 2007-02-08 2014-05-29 Interamerica Stage, Inc. Wire Rope Tension Grid Improvements
CN104399664A (zh) * 2014-12-15 2015-03-11 山东润科机电设备有限公司 一种快速绷紧筛网的方法及振动筛
US20150245495A1 (en) * 2013-12-31 2015-08-27 Det International Holding Limited Stencil assembly structure
US20160288171A1 (en) * 2015-04-02 2016-10-06 Continental Wire Cloth, LLC Vibratory shaker screen assembly
TWI586547B (zh) * 2015-04-29 2017-06-11 泰達國際控股有限公司 模板組合結構
CN108572114A (zh) * 2017-11-27 2018-09-25 河南科技大学 一种拟生蛛网抗毁研究方法及装置
US10288982B2 (en) 2008-12-02 2019-05-14 Musion Ip Limited Mobile studio
US10447967B2 (en) 2008-07-14 2019-10-15 Musion Ip Ltd. Live teleporting system and apparatus
EP3549683A4 (fr) * 2017-10-25 2020-08-12 Fujino Industries Co., Ltd. Machine à tamis vibrant
GB2609630A (en) * 2021-08-09 2023-02-15 Hewitt Robins Int Ltd A screen attachment for a screening machine

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2564338B1 (fr) * 1984-05-16 1987-11-06 Kanzaki Paper Mfg Co Ltd Appareil de tamisage
CN113275242B (zh) * 2021-05-15 2023-01-20 安徽凯胜筛网织造有限公司 一种筛网张紧装置

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR399628A (fr) * 1909-02-19 1909-07-02 Charles Morel Tamiseur mécanique
US2714961A (en) * 1949-09-10 1955-08-09 Meinzer Screening mechanism
US3176843A (en) * 1962-01-09 1965-04-06 Entoleter Screen tensioner
US3341013A (en) * 1964-05-07 1967-09-12 Arthur K Moulton Screen structure
US3352418A (en) * 1963-11-26 1967-11-14 Southwestern Eng Co Remountable separator screen
US3483977A (en) * 1967-05-22 1969-12-16 Sweco Inc Screen support
US3616906A (en) * 1969-07-11 1971-11-02 Sweco Inc Screen support

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR399628A (fr) * 1909-02-19 1909-07-02 Charles Morel Tamiseur mécanique
US2714961A (en) * 1949-09-10 1955-08-09 Meinzer Screening mechanism
US3176843A (en) * 1962-01-09 1965-04-06 Entoleter Screen tensioner
US3352418A (en) * 1963-11-26 1967-11-14 Southwestern Eng Co Remountable separator screen
US3341013A (en) * 1964-05-07 1967-09-12 Arthur K Moulton Screen structure
US3483977A (en) * 1967-05-22 1969-12-16 Sweco Inc Screen support
US3616906A (en) * 1969-07-11 1971-11-02 Sweco Inc Screen support

Cited By (26)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS51122461U (fr) * 1975-03-31 1976-10-04
US4148724A (en) * 1977-12-13 1979-04-10 Hannon Electric Company Wedge-type tensioning rail construction for electrically heated screens
US4710051A (en) * 1984-12-06 1987-12-01 Karmazin Jan E L Device for fastening a closed casing
US4816153A (en) * 1986-06-17 1989-03-28 Kanzaki Paper Manufacturing Co., Ltd. Frame member for pressurized screening device
US5582104A (en) * 1992-03-16 1996-12-10 Printron, Inc. Apparatus and process for screen printing
US5819651A (en) * 1993-05-12 1998-10-13 Zeltra, Podjetje Za Projektiranje, Proizvodnjo In Trgovino Elektrotehnike,Naklo,D.O.O. Clamping-stretching system for stencils for screen printers,with printing table for PC boards
US5423430A (en) * 1994-04-25 1995-06-13 Zaffiro; Jerry "Mega Bucks" rocker bucket gold recovery system
US20080047184A1 (en) * 2006-08-24 2008-02-28 Eric Dean Outdoor advertising system
US7770314B2 (en) * 2006-08-24 2010-08-10 Irvin Steel, Inc. Outdoor advertising system
US20140144725A1 (en) * 2007-02-08 2014-05-29 Interamerica Stage, Inc. Wire Rope Tension Grid Improvements
US9938733B2 (en) * 2007-02-08 2018-04-10 Interamerica Stage, Inc. Wire rope tension grid improvements
US20090316260A1 (en) * 2008-05-08 2009-12-24 Alex Howes Projection Screen and Method of Constructions
US8149509B2 (en) * 2008-05-08 2012-04-03 Musion Ip Limited Projection screen and method of constructions
US10447967B2 (en) 2008-07-14 2019-10-15 Musion Ip Ltd. Live teleporting system and apparatus
US10288982B2 (en) 2008-12-02 2019-05-14 Musion Ip Limited Mobile studio
US20150245495A1 (en) * 2013-12-31 2015-08-27 Det International Holding Limited Stencil assembly structure
US9370108B2 (en) * 2013-12-31 2016-06-14 Det International Holding Limited Stencil assembly structure
CN104399664A (zh) * 2014-12-15 2015-03-11 山东润科机电设备有限公司 一种快速绷紧筛网的方法及振动筛
US20160288171A1 (en) * 2015-04-02 2016-10-06 Continental Wire Cloth, LLC Vibratory shaker screen assembly
TWI586547B (zh) * 2015-04-29 2017-06-11 泰達國際控股有限公司 模板組合結構
EP3549683A4 (fr) * 2017-10-25 2020-08-12 Fujino Industries Co., Ltd. Machine à tamis vibrant
US11130156B2 (en) * 2017-10-25 2021-09-28 Fujino Industries Co., Ltd. Vibrating sieve machine
CN108572114A (zh) * 2017-11-27 2018-09-25 河南科技大学 一种拟生蛛网抗毁研究方法及装置
CN108572114B (zh) * 2017-11-27 2024-03-19 河南科技大学 一种拟生蛛网抗毁研究方法及装置
GB2609630A (en) * 2021-08-09 2023-02-15 Hewitt Robins Int Ltd A screen attachment for a screening machine
WO2023017248A1 (fr) * 2021-08-09 2023-02-16 Hewitt Robins International Ltd Attache de tamis pour machine à tamiser

Also Published As

Publication number Publication date
FR2187426B3 (fr) 1976-09-17
FR2187426A1 (fr) 1974-01-18
BE807082A (fr) 1974-03-01

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AS Assignment

Owner name: BLAW-KNOX COMPANY

Free format text: MERGER;ASSIGNORS:AETNA-STANDARD ENGINEERING COMPANY;BLAW-KNOX CONSTRUCTION EQUIPMENT, INC.,;BLAW-KNOX EQUIPMENT, INC.;AND OTHERS;REEL/FRAME:003926/0382

Effective date: 19781221

Owner name: WHITE CONSOLIDATED INDUSTRIES, INC.

Free format text: MERGER;ASSIGNORS:BLAW-KNOX COMPANY;KELVINATOR, INC.;WHITE-WESTINGHOUSE CORPORATION;AND OTHERS;REEL/FRAME:003926/0372

Effective date: 19781221

AS Assignment

Owner name: BLAW KNOX CORPORATION, ONE OLIVER PLAZA, PITTSBURG

Free format text: ASSIGNMENT OF ASSIGNORS INTEREST. EFFECTIVE SEPT. 27, 1985;ASSIGNOR:WHITE CONSOLIDATED INDUSTRIES, INC., A CORP OF DE.;REEL/FRAME:004532/0913

Effective date: 19851017