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EP1731272A3 - Pneumatic knocker and method of operating a pneumatic knocker - Google Patents

Pneumatic knocker and method of operating a pneumatic knocker Download PDF

Info

Publication number
EP1731272A3
EP1731272A3 EP06011983A EP06011983A EP1731272A3 EP 1731272 A3 EP1731272 A3 EP 1731272A3 EP 06011983 A EP06011983 A EP 06011983A EP 06011983 A EP06011983 A EP 06011983A EP 1731272 A3 EP1731272 A3 EP 1731272A3
Authority
EP
European Patent Office
Prior art keywords
pneumatic knocker
operating
knocker
pneumatic
compressed air
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.)
Granted
Application number
EP06011983A
Other languages
German (de)
French (fr)
Other versions
EP1731272A2 (en
EP1731272B1 (en
Inventor
Thomas Reis
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.)
Netter GmbH
Original Assignee
Netter GmbH
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 Netter GmbH filed Critical Netter GmbH
Priority to PL06011983T priority Critical patent/PL1731272T3/en
Priority to EP06011983A priority patent/EP1731272B1/en
Publication of EP1731272A2 publication Critical patent/EP1731272A2/en
Publication of EP1731272A3 publication Critical patent/EP1731272A3/en
Application granted granted Critical
Publication of EP1731272B1 publication Critical patent/EP1731272B1/en
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
    • B25D—PERCUSSIVE TOOLS
    • B25D9/00—Portable percussive tools with fluid-pressure drive, i.e. driven directly by fluids, e.g. having several percussive tool bits operated simultaneously
    • B25D9/14—Control devices for the reciprocating piston
    • B25D9/16—Valve arrangements therefor
    • B25D9/18—Valve arrangements therefor involving a piston-type slide valve
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D88/00—Large containers
    • B65D88/54—Large containers characterised by means facilitating filling or emptying
    • B65D88/64—Large containers characterised by means facilitating filling or emptying preventing bridge formation
    • B65D88/66—Large containers characterised by means facilitating filling or emptying preventing bridge formation using vibrating or knocking devices

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Percussive Tools And Related Accessories (AREA)
  • Portable Nailing Machines And Staplers (AREA)
  • Air Bags (AREA)
  • Hydraulic Clutches, Magnetic Clutches, Fluid Clutches, And Fluid Joints (AREA)
  • Nozzles (AREA)
  • Paper (AREA)
  • Electrical Control Of Ignition Timing (AREA)
  • Liquid Crystal (AREA)
  • Eye Examination Apparatus (AREA)
  • Servomotors (AREA)
  • Electrical Discharge Machining, Electrochemical Machining, And Combined Machining (AREA)

Abstract

The knocking-out device has a first compression cavity (27) with a compressed air connection, and a second compression cavity between the cover (15) and the striker piston (9) in a cylindrical tube (2). The cover contains at least one aperture (19), through which compressed air is supplied to the second compression chamber, with the aperture sealed by the piston in its end position.
EP06011983A 2005-06-09 2006-06-09 Pneumatic knocker and method of operating a pneumatic knocker Not-in-force EP1731272B1 (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
PL06011983T PL1731272T3 (en) 2005-06-09 2006-06-09 Pneumatic knocker and method of operating a pneumatic knocker
EP06011983A EP1731272B1 (en) 2005-06-09 2006-06-09 Pneumatic knocker and method of operating a pneumatic knocker

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
EP05012390A EP1731271A1 (en) 2005-06-09 2005-06-09 Pneumatic knocker and method of operating a pneumatic knocker
EP06011983A EP1731272B1 (en) 2005-06-09 2006-06-09 Pneumatic knocker and method of operating a pneumatic knocker

Publications (3)

Publication Number Publication Date
EP1731272A2 EP1731272A2 (en) 2006-12-13
EP1731272A3 true EP1731272A3 (en) 2007-11-14
EP1731272B1 EP1731272B1 (en) 2008-10-01

Family

ID=35159993

Family Applications (2)

Application Number Title Priority Date Filing Date
EP05012390A Withdrawn EP1731271A1 (en) 2005-06-09 2005-06-09 Pneumatic knocker and method of operating a pneumatic knocker
EP06011983A Not-in-force EP1731272B1 (en) 2005-06-09 2006-06-09 Pneumatic knocker and method of operating a pneumatic knocker

Family Applications Before (1)

Application Number Title Priority Date Filing Date
EP05012390A Withdrawn EP1731271A1 (en) 2005-06-09 2005-06-09 Pneumatic knocker and method of operating a pneumatic knocker

Country Status (8)

Country Link
US (1) US7607490B2 (en)
EP (2) EP1731271A1 (en)
JP (1) JP2006341370A (en)
AT (1) ATE409552T1 (en)
DE (1) DE502006001658D1 (en)
DK (1) DK1731272T3 (en)
ES (1) ES2317364T3 (en)
PL (1) PL1731272T3 (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2017099761A1 (en) * 2015-12-09 2017-06-15 Oerlikon Metco (Us) Inc. Powder hopper for difficult-to-flow powders for use in thermal spraying and method making and using the same
JP7171035B2 (en) * 2018-11-22 2022-11-15 株式会社テイサク hydraulic percussion device
DE102023115134A1 (en) * 2023-06-09 2024-12-12 Netter Gmbh knocker with linear drive

Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE188566C (en) *
US964875A (en) * 1907-01-23 1910-07-19 Harry Johan Hjalmar Nathorst Rock-drill.
GB191300772A (en) * 1913-01-10 1913-03-27 George Henry Rayner Improvements relating to Rock Drills.
US3365624A (en) * 1966-08-10 1968-01-23 Automatic Valve Corp Valve control system
DE1728071A1 (en) * 1968-08-21 1972-02-03 Irmer & Elze Maschinenfabrik Valve control for air hammer
US3878902A (en) * 1972-04-03 1975-04-22 Susumu Matsuo Impact tool
US4070947A (en) * 1975-03-24 1978-01-31 The Cleveland Vibrator Company Springless impactor
US4850436A (en) * 1986-01-31 1989-07-25 Hayashi Manufacturing Company, Ltd. Attached pulverulent and granular material shake-down apparatus
EP1279622A1 (en) * 2001-07-23 2003-01-29 Kanekita Co., Ltd. Air pulser and devices utilizing the same
EP1442999A1 (en) * 2003-01-28 2004-08-04 Findeva AG Pneumatic knocker

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1264318A (en) * 1917-04-26 1918-04-30 John T Mcgrath Pneumatic tool.
US2699224A (en) * 1951-12-20 1955-01-11 Research Corp Electrode rapping system
US2862475A (en) * 1955-10-05 1958-12-02 Branford Company Pneumatic impact device
US3376790A (en) * 1966-12-27 1968-04-09 Vibrator Mfg Co Piston vibrator
US3608650A (en) * 1968-11-30 1971-09-28 Saburo Matsusaka Impact cylinder apparatus
US3747474A (en) * 1971-08-23 1973-07-24 Us Navy Controlled acceleration ejector piston
US3913460A (en) * 1972-08-10 1975-10-21 Mosier Ind Inc Impact damping means for fluid cylinders
SE445434B (en) * 1983-08-01 1986-06-23 Atlas Copco Ab VIBRATION DUMP PRESSURE FLUID DRIVES
DE3819111A1 (en) * 1988-06-04 1989-12-14 Netter Gmbh PNEUMATIC KNOCKER
US5065824A (en) * 1989-12-28 1991-11-19 Esco Corporation Hydraulically powered repetitive impact hammer
US5210918A (en) * 1991-10-29 1993-05-18 Wozniak Walter E Pneumatic slide hammer
IT1319005B1 (en) * 2000-10-16 2003-09-19 Luciano Migliori COMPACT PNEUMATIC CYLINDER WITH CUSHIONING DEVICE

Patent Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE188566C (en) *
US964875A (en) * 1907-01-23 1910-07-19 Harry Johan Hjalmar Nathorst Rock-drill.
GB191300772A (en) * 1913-01-10 1913-03-27 George Henry Rayner Improvements relating to Rock Drills.
US3365624A (en) * 1966-08-10 1968-01-23 Automatic Valve Corp Valve control system
DE1728071A1 (en) * 1968-08-21 1972-02-03 Irmer & Elze Maschinenfabrik Valve control for air hammer
US3878902A (en) * 1972-04-03 1975-04-22 Susumu Matsuo Impact tool
US4070947A (en) * 1975-03-24 1978-01-31 The Cleveland Vibrator Company Springless impactor
US4850436A (en) * 1986-01-31 1989-07-25 Hayashi Manufacturing Company, Ltd. Attached pulverulent and granular material shake-down apparatus
EP1279622A1 (en) * 2001-07-23 2003-01-29 Kanekita Co., Ltd. Air pulser and devices utilizing the same
EP1442999A1 (en) * 2003-01-28 2004-08-04 Findeva AG Pneumatic knocker

Also Published As

Publication number Publication date
US20060278415A1 (en) 2006-12-14
DE502006001658D1 (en) 2008-11-13
ES2317364T3 (en) 2009-04-16
DK1731272T3 (en) 2009-02-16
PL1731272T3 (en) 2009-05-29
EP1731271A1 (en) 2006-12-13
EP1731272A2 (en) 2006-12-13
US7607490B2 (en) 2009-10-27
JP2006341370A (en) 2006-12-21
EP1731272B1 (en) 2008-10-01
ATE409552T1 (en) 2008-10-15

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