US3743260A - Anti-polluting waste collector for a burn table - Google Patents

Anti-polluting waste collector for a burn table Download PDF

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Publication number
US3743260A
US3743260A US00201083A US3743260DA US3743260A US 3743260 A US3743260 A US 3743260A US 00201083 A US00201083 A US 00201083A US 3743260D A US3743260D A US 3743260DA US 3743260 A US3743260 A US 3743260A
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US
United States
Prior art keywords
tank
liquid
chamber
level
waste collector
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
Application number
US00201083A
Inventor
M Alleman
R Marx
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.)
RADFORD GROUP
Caterpillar Inc
Original Assignee
Caterpillar Tractor Co
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Filing date
Publication date
Application filed by Caterpillar Tractor Co filed Critical Caterpillar Tractor Co
Publication of US3743260A publication Critical patent/US3743260A/en
Application granted granted Critical
Publication of US3743260B1 publication Critical patent/US3743260B1/en
Assigned to RADFORD GROUP, THE reassignment RADFORD GROUP, THE ASSIGNMENT OF ASSIGNORS INTEREST. Assignors: CATERPILLAR TRACTOR CO.
Assigned to CATERPILLAR INC., A CORP. OF DE. reassignment CATERPILLAR INC., A CORP. OF DE. ASSIGNMENT OF ASSIGNORS INTEREST. Assignors: CATERPILLAR TRACTOR CO., A CORP. OF CALIF.
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K7/00—Cutting, scarfing, or desurfacing by applying flames
    • B23K7/10—Auxiliary devices, e.g. for guiding or supporting the torch

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Removal Of Floating Material (AREA)

Abstract

An anti-polluting waste collector for a burn table, adapted for supporting a workpiece beneath a flame cutting machine, includes an open tank containing a liquid maintained at a predetermined level therein and a grating disposed across the tank opening. An air chamber is selectively pressurized to provide a pressure head for normally maintaining the predetermined liquid level above the grating and to lower such level below the grating for convenient removal of waste material trapped thereon.

Claims (12)

1. A waste collector adapted for supporting a workpiece beneath a flame cutting machine and to receive waste material therefrom comprising; a tank having an open top and containing a liquid normally maintained at a predetermined upper level; liquid level control means connected to said tank for normally maintaining said liquid at said upper level and for selectively lowering and maintaining the liquid level at a predetermined lower level disposed vertically below said upper level; and a horizontally disposed grating means attached to said tank to extend across the open top thereof and disposed vertically below said upper level and vertically above said lower level.
2. The invention of claim 1 further comprising support means mounted vertically above and closely adjacent to said grating means for supporting a workpiece thereon and a flame cutting machine mounted vertically above said support means.
3. The waste collector of claim 1 wherein said liquid level control means includes means forming at least one expansible chamber normally containing a pressurized gas therein, said chamber communicating with said tank to normally provide a pressure head sufficient to support and maintain said liquid at said predetermined upper level until the gas pressure in said chamber is reduced to permit a portion of the liquid to drain from the tank and into the chamber to lower the liquid to said lower level.
4. The waste collector of claim 3 wherein said liquid level control means further comprises a source of gas under pressure and control valve means for selectively communicating said gas to said chamber.
5. The waste collector of claim 3 wherein said chamber is integrally formed within said tank.
6. The waste collector of claim 1 wherein said grating means comprises a grate having a plurality of openings formed therethrough, said openings being sized to allow the passage of fine waste material therethrough while retaining larger salvageable material thereon.
7. A waste collector for use with a flame cutting machine to receive and retain waste material therefrom comprising, a tank having an open top portion and a lower portion containing a substantially constant volume of liquid, means forming a burn table across said top of the tank for supporting a workpiece beneath the flame cutting machine, grating means in predetermined spaced relation below the burn table for collecting and retaining a portion of such waste material thereon, a downwardly directed baffle plate disposed within said tank forming an air-liquid chamber having a bottom opening into the tank, and means to selectively provide a pressure head within the chamber sufficient to elevate and support said liquid within the tank at a predetermined upper level until the pressure in the chamber is reduced to enable a portion of said constant volume of liquid to drain from the tank into the chamber in order to lower the liquid level in the tank from said upper level to a predetermined lower level below the grating.
8. The waste collector of claim 7 wherein said tank includes downwardly sloping sidewalls converging toward said lower portion of the tank, and a pair of said baffles individually disposed in spaced and substantially parallel relation to said sidewalls to form a pair of said chambers within the tank with said baffles terminating in lower ends spaced from said lower portion of the tank to permit tHe transfer of said liquid between the chambers and the tank.
9. The waste collector of claim 8 wherein said tank includes a pair of end walls and an opening at said lower portion thereof, a trough adjacent to one end wall forming a settling pit below said opening, a conveyor disposed in said trough and extending below said opening, and the end wall opposite to said one end wall having an extension extending below the opening to afford a waste material guide means to direct the waste material gravitating through said opening onto the conveyor to elevate the waste material from said settling pit.
10. A waste collector adapted for supporting a workpiece beneath a flame cutting machine and to receive waste material therefrom comprising: a tank having an open top and containing a liquid normally maintained at a predetermined upper level; and liquid level control means connected to said tank for normally maintaining said liquid at said upper level and for selectively lowering and maintaining the liquid level at a predetermined lower level disposed vertically below said upper level, said liquid level control means including means forming at least one expansible chamber normally containing a pressurized gas therein, said chamber communicating with said tank to normally provide a pressure head sufficient to support and maintain said liquid at said predetermined upper level until the gas pressure in said chamber is reduced to permit a portion of the liquid to drain from the tank and into the chamber to lower the liquid to said lower level.
11. The waste collector of claim 10 wherein said liquid level control means further comprises a source of gas under pressure and control valve means for selectively communicating said gas to said chamber.
12. The waste collector of claim 10 wherein said chamber is integrally formed within said tank.
US00201083A 1971-11-22 1971-11-22 Anti-polluting waste collector for a burn table Expired - Lifetime US3743260A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US20108371A 1971-11-22 1971-11-22

Publications (2)

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US3743260A true US3743260A (en) 1973-07-03
US3743260B1 US3743260B1 (en) 1983-08-16

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US00201083A Expired - Lifetime US3743260A (en) 1971-11-22 1971-11-22 Anti-polluting waste collector for a burn table

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BE (1) BE799652A (en)

Cited By (22)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3944203A (en) * 1973-11-30 1976-03-16 Brekelbaum Erwin C Oxidation cutting work support means
US3969132A (en) * 1975-07-22 1976-07-13 Anderson Engineers, Inc. Self-cleaning water table system
US4003556A (en) * 1974-10-02 1977-01-18 Messer Griesheim Gmbh Flame-cutting machine
US4047706A (en) * 1976-10-18 1977-09-13 Paper, Calmenson & Co. Torch cutting system with automated work support mechanism
US4063059A (en) * 1976-10-22 1977-12-13 W. A. Whitney Corporation Punch press with cutting torch
US4143861A (en) * 1977-08-15 1979-03-13 Anderson Engineers, Inc. Flame cutting layout
US4162060A (en) * 1977-04-21 1979-07-24 Anderson Engineers, Inc. Semi-automatic water table
DE2924126A1 (en) * 1978-06-19 1980-01-03 Harry Earl Anderson PLANT FOR MATERIAL TRANSPORT IN A PRODUCTION LINE
WO1981002537A1 (en) * 1980-03-03 1981-09-17 Anderson Eng Water table with low profile conveyor system
US4338507A (en) * 1980-01-28 1982-07-06 W. A. Whitney Corp. Water-quenched collection system for use with a plasma-arc torch
US4478393A (en) * 1979-06-16 1984-10-23 Mannesmann Demag Ag Apparatus for thermal longitudinal parting of rectangular metal plate bars, in particular of cut-to-length continuous-casting plate slabs
US4524955A (en) * 1984-06-08 1985-06-25 Deere & Company Burning table
US4673103A (en) * 1984-12-10 1987-06-16 Anderson Harry E Apparatus for placing point supports on a metal cutting table
US4776571A (en) * 1987-07-28 1988-10-11 Bath Iron Works Corporation Material handling system
US4887797A (en) * 1988-12-05 1989-12-19 Messer Griesheim Industries, Inc. Slag flushing and water level control system for a metal cutting apparatus
US4930756A (en) * 1989-08-17 1990-06-05 Caterpillar Inc. Burn table
US5013884A (en) * 1989-10-19 1991-05-07 Wegman & Co. Gmbh Water table for a thermal-cutting machine, especially for processing aluminum, with an underwater plasma-based cutting system
US5053600A (en) * 1990-07-25 1991-10-01 Murata Wiedemann, Inc. Slag chute system
US5435525A (en) * 1994-07-28 1995-07-25 Roy; Peter J. Negative pressure chamber table for gas-driven cutting apparatus
JPH10264033A (en) * 1997-03-19 1998-10-06 Sugino Mach Ltd Underwater cutting abrasive cutting device
US20170106480A1 (en) * 2015-10-20 2017-04-20 Richard Keeton Cutting water table and methods of use
US20200223713A1 (en) * 2019-01-15 2020-07-16 Disco Corporation Waste fluid treatment apparatus

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3330547A (en) * 1964-07-31 1967-07-11 Robbins & Myers Tracer controlled cutting apparatus
US3486744A (en) * 1968-01-02 1969-12-30 Caterpillar Tractor Co Flame cutting installation with fluid flow waste removal means
US3526395A (en) * 1967-06-21 1970-09-01 Edgcomb Steel Co Apparatus for removing metallic slag from torch cutting operations

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3330547A (en) * 1964-07-31 1967-07-11 Robbins & Myers Tracer controlled cutting apparatus
US3526395A (en) * 1967-06-21 1970-09-01 Edgcomb Steel Co Apparatus for removing metallic slag from torch cutting operations
US3486744A (en) * 1968-01-02 1969-12-30 Caterpillar Tractor Co Flame cutting installation with fluid flow waste removal means

Cited By (31)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3944203A (en) * 1973-11-30 1976-03-16 Brekelbaum Erwin C Oxidation cutting work support means
US4003556A (en) * 1974-10-02 1977-01-18 Messer Griesheim Gmbh Flame-cutting machine
US3969132A (en) * 1975-07-22 1976-07-13 Anderson Engineers, Inc. Self-cleaning water table system
US4047706A (en) * 1976-10-18 1977-09-13 Paper, Calmenson & Co. Torch cutting system with automated work support mechanism
US4063059A (en) * 1976-10-22 1977-12-13 W. A. Whitney Corporation Punch press with cutting torch
US4162060A (en) * 1977-04-21 1979-07-24 Anderson Engineers, Inc. Semi-automatic water table
US4143861A (en) * 1977-08-15 1979-03-13 Anderson Engineers, Inc. Flame cutting layout
FR2429168A1 (en) * 1978-06-19 1980-01-18 Anderson Harry DEVICE FOR HANDLING WORKPIECES IN SERIES
US4220318A (en) * 1978-06-19 1980-09-02 Anderson Harry E In-line material handling system
DE2924126A1 (en) * 1978-06-19 1980-01-03 Harry Earl Anderson PLANT FOR MATERIAL TRANSPORT IN A PRODUCTION LINE
US4602967A (en) * 1979-06-16 1986-07-29 Mannesmann Demag Ag Method and apparatus for thermal longitudinal parting of rectangular metal plate bars, in particular of cut-to-length continuous-casting plate slabs
US4478393A (en) * 1979-06-16 1984-10-23 Mannesmann Demag Ag Apparatus for thermal longitudinal parting of rectangular metal plate bars, in particular of cut-to-length continuous-casting plate slabs
US4338507A (en) * 1980-01-28 1982-07-06 W. A. Whitney Corp. Water-quenched collection system for use with a plasma-arc torch
WO1981002537A1 (en) * 1980-03-03 1981-09-17 Anderson Eng Water table with low profile conveyor system
US4341374A (en) * 1980-03-03 1982-07-27 Anderson Engineers, Inc. Water table with low profile conveyor system
AT378492B (en) * 1980-03-03 1985-08-12 Anderson Eng WATER TABLE WITH FLOODABLE CONVEYOR
US4524955A (en) * 1984-06-08 1985-06-25 Deere & Company Burning table
US4673103A (en) * 1984-12-10 1987-06-16 Anderson Harry E Apparatus for placing point supports on a metal cutting table
US4776571A (en) * 1987-07-28 1988-10-11 Bath Iron Works Corporation Material handling system
US4887797A (en) * 1988-12-05 1989-12-19 Messer Griesheim Industries, Inc. Slag flushing and water level control system for a metal cutting apparatus
US4930756A (en) * 1989-08-17 1990-06-05 Caterpillar Inc. Burn table
US5013884A (en) * 1989-10-19 1991-05-07 Wegman & Co. Gmbh Water table for a thermal-cutting machine, especially for processing aluminum, with an underwater plasma-based cutting system
US5053600A (en) * 1990-07-25 1991-10-01 Murata Wiedemann, Inc. Slag chute system
US5435525A (en) * 1994-07-28 1995-07-25 Roy; Peter J. Negative pressure chamber table for gas-driven cutting apparatus
WO1996003248A1 (en) * 1994-07-28 1996-02-08 Nesta Michael R Negative pressure chamber table for cutting apparatus
US5560887A (en) * 1994-07-28 1996-10-01 Industrial Environmental Technologies, Ltd. Negative pressure chamber table for gas-driven cutting apparatus
JPH10264033A (en) * 1997-03-19 1998-10-06 Sugino Mach Ltd Underwater cutting abrasive cutting device
US20170106480A1 (en) * 2015-10-20 2017-04-20 Richard Keeton Cutting water table and methods of use
US10596653B2 (en) * 2015-10-20 2020-03-24 Richard Keeton Cutting water table and methods of use
US20200223713A1 (en) * 2019-01-15 2020-07-16 Disco Corporation Waste fluid treatment apparatus
US11040889B2 (en) * 2019-01-15 2021-06-22 Disco Corporation Waste fluid treatment apparatus

Also Published As

Publication number Publication date
BE799652A (en) 1973-09-17
US3743260B1 (en) 1983-08-16

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Legal Events

Date Code Title Description
B1 Reexamination certificate first reexamination
AS Assignment

Owner name: RADFORD GROUP, THE, CARNEGIE, PA A LIMITED PARTNER

Free format text: ASSIGNMENT OF ASSIGNORS INTEREST.;ASSIGNOR:CATERPILLAR TRACTOR CO.;REEL/FRAME:004279/0051

Effective date: 19840510

AS Assignment

Owner name: CATERPILLAR INC., A CORP. OF DE.,ILLINOIS

Free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNOR:CATERPILLAR TRACTOR CO., A CORP. OF CALIF.;REEL/FRAME:004669/0905

Effective date: 19860515

Owner name: CATERPILLAR INC., 100 N.E. ADAMS STREET, PEORIA, I

Free format text: ASSIGNMENT OF ASSIGNORS INTEREST.;ASSIGNOR:CATERPILLAR TRACTOR CO., A CORP. OF CALIF.;REEL/FRAME:004669/0905

Effective date: 19860515