GB1389993A - Apparatus for the destruction of documents - Google Patents

Apparatus for the destruction of documents

Info

Publication number
GB1389993A
GB1389993A GB1953473A GB1953473A GB1389993A GB 1389993 A GB1389993 A GB 1389993A GB 1953473 A GB1953473 A GB 1953473A GB 1953473 A GB1953473 A GB 1953473A GB 1389993 A GB1389993 A GB 1389993A
Authority
GB
United Kingdom
Prior art keywords
cut
cylinders
discs
strips
document
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
Application number
GB1953473A
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.)
GOLDHAMMER A FEINWERKTECHNIK S
Original Assignee
GOLDHAMMER A FEINWERKTECHNIK S
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
Priority claimed from DE19722247901 external-priority patent/DE2247901C3/en
Application filed by GOLDHAMMER A FEINWERKTECHNIK S filed Critical GOLDHAMMER A FEINWERKTECHNIK S
Publication of GB1389993A publication Critical patent/GB1389993A/en
Expired legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
    • B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
    • B02C18/00—Disintegrating by knives or other cutting or tearing members which chop material into fragments
    • B02C18/0007—Disintegrating by knives or other cutting or tearing members which chop material into fragments specially adapted for disintegrating documents

Landscapes

  • Engineering & Computer Science (AREA)
  • Food Science & Technology (AREA)
  • Crushing And Pulverization Processes (AREA)
  • Nonmetal Cutting Devices (AREA)

Abstract

1389993 Document shredders A GOLDHAMMER [trading as FEINWERKTECHNIK SCHLEICHER & CO] 25 April 1973 [29 Sept 1972] 19534/73 Heading B2A A document shredder comprises a pair of cutter cylinders comprising a plurality of interdigitated cutting discs. Each disc includes a plurality of cut-out grooves, the discs being arranged so that the grooves form helical lines on the cylinders. The angle of the tearing edge of a groove is preferably 75‹ to 90‹. In operation a paper sheet is first cut transversely with short cross cuts having the same width as longitudinal strips into which it is cut. The strips thus fall into small pieces.
GB1953473A 1972-09-29 1973-04-25 Apparatus for the destruction of documents Expired GB1389993A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19722247901 DE2247901C3 (en) 1972-09-29 Device for shredding sheets of paper

Publications (1)

Publication Number Publication Date
GB1389993A true GB1389993A (en) 1975-04-09

Family

ID=5857792

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1953473A Expired GB1389993A (en) 1972-09-29 1973-04-25 Apparatus for the destruction of documents

Country Status (4)

Country Link
US (1) US3860180A (en)
JP (2) JPS4971576A (en)
FR (1) FR2201134B1 (en)
GB (1) GB1389993A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
RU211291U1 (en) * 2021-10-08 2022-05-30 Общество с ограниченной ответственностью "Газпром трансгаз Ухта" DEVICE FOR DESTRUCTION OF OFFICE DOCUMENTATION ON OPTICAL AND PAPER MEDIA

Families Citing this family (44)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4034918A (en) * 1975-08-06 1977-07-12 Saturn Manufacturing, Inc. Drive arrangement for rotary shredding apparatus
JPS5278875U (en) * 1975-12-11 1977-06-13
JPS5288787U (en) * 1975-12-26 1977-07-02
JPS53100187U (en) * 1977-01-19 1978-08-14
US4200239A (en) * 1978-07-14 1980-04-29 Wright Line Inc. Machine that quadrates documents
JPS5551450A (en) * 1978-10-11 1980-04-15 Takeshi Hatanaka Crusher
US4411391A (en) * 1980-05-27 1983-10-25 Ofrex Group Limited Document shredding machines
DE3112639A1 (en) * 1981-03-30 1982-10-07 Feinwerktechnik Schleicher & Co, 7778 Markdorf DEVICE FOR CRUSHING WASTE MATERIAL, e.g. BLOCKS OF PAPER
US4452400A (en) * 1981-11-23 1984-06-05 Williams Patent Crusher And Pulverizer Company Rotary shredding apparatus
GB2126126B (en) * 1982-08-27 1986-07-02 Ofshred Limited Shredding machine
DE3313103A1 (en) * 1983-04-12 1984-10-18 Feinwerktechnik Schleicher & Co, 7778 Markdorf CUTTING DEVICE FOR DEVICES FOR SHREDDING GRINDING MATERIAL FROM FLAT MATERIAL OR FLAT MATERIAL LAYERS, LIKE DOCUMENTS ETC.
US4538766A (en) * 1983-06-03 1985-09-03 Constructie Werkhuizen Vandekerckhove N.V. Process and apparatus for crushing raw materials
US4693428A (en) * 1984-11-01 1987-09-15 Cummins Allison Corporation Particle-type shredding mechanism
DE3444709C2 (en) * 1984-12-07 1996-05-30 Gao Ges Automation Org Device for destroying banknotes
GB8432545D0 (en) * 1984-12-21 1985-02-06 Ofrex Group Plc Shredding machines
GB2193117B (en) * 1986-07-29 1989-12-20 Hermann Schwelling Paper cutting cylinder for a shredding machine
DE8705031U1 (en) * 1987-04-04 1988-08-04 Schwelling, Hermann, 7777 Salem Cutting unit for document shredders
US4944462A (en) * 1989-05-02 1990-07-31 Cummins-Allison Corp. Shredder
US5071080A (en) * 1990-02-27 1991-12-10 Fellowes Manufacturing Company Document shredding machine
US5163629A (en) * 1991-05-01 1992-11-17 Cummins-Allison Corp. Shredder cutting discs
US5275342A (en) * 1991-08-30 1994-01-04 Galanty William B Solid waste crusher and sizing apparatus
US5295633A (en) * 1992-01-13 1994-03-22 Fellowes Manufacturing Company Document shredding machine with stripper and cutting mechanism therefore
US5560552A (en) * 1993-11-12 1996-10-01 Environmental Products Corporation Container cutting assembly
US5533684A (en) * 1994-10-17 1996-07-09 Beloit Technologies, Inc. Wood chip strand splitter
US5676321A (en) * 1995-04-03 1997-10-14 Fellowes Mfg. Co. Cutting disk
US5636801A (en) * 1995-08-02 1997-06-10 Fellowes Mfg. Co. One piece molded stripper for shredders
US5829697A (en) * 1995-08-24 1998-11-03 Fellowes Manufacturing Company Support for cylinders in a paper shredder
US5655725A (en) * 1995-08-24 1997-08-12 Fellowes Manufacturing Co. Retaining plate for gearing
CA2536780C (en) * 2003-08-29 2012-11-13 Bki Holding Corporation System for delivery of fibers into concrete
US7040559B2 (en) 2004-04-02 2006-05-09 Fellowes Inc. Shredder with lock for on/off switch
CN2915259Y (en) 2006-07-14 2007-06-27 上海震旦办公设备有限公司 Paper shredder touch safety device
US8008812B2 (en) 2006-07-14 2011-08-30 Aurora Office Equipment Co., Ltd. Paper shredder control system responsive to touch-sensitive element
US20080053994A1 (en) * 2006-08-30 2008-03-06 Aurora Office Equipment Co., Ltd. Shanghai Paper-Breaker Wastebin Structure
CN201239643Y (en) 2008-08-06 2009-05-20 上海震旦办公设备有限公司 Full automatic paper crusher without selecting paper
CN201244502Y (en) 2008-08-19 2009-05-27 上海震旦办公设备有限公司 Structure capable of removing nail of automatic paper crusher
CN101543799B (en) * 2009-04-28 2012-10-10 上海震旦办公设备有限公司 Novel protector for paper crusher
CN101543800A (en) * 2009-05-07 2009-09-30 上海震旦办公设备有限公司 Paper jamming prevention protective device of paper shredder
US8723468B2 (en) 2011-04-28 2014-05-13 Aurora Office Equipment Co., Ltd. Cooled motor
US8708260B2 (en) 2011-08-08 2014-04-29 Aurora Office Equipment Co., Ltd. Depowered standby paper shredder and method
CN106192503B (en) * 2016-08-18 2018-03-30 安徽华普生产力促进中心有限公司 A kind of books breaking means for making wood fibre
CN106079002B (en) * 2016-08-18 2018-05-15 安徽省双龙木质纤维素有限公司 A kind of cotton cane breaking means for making wood fibre
DE102018108300B4 (en) 2017-08-09 2024-01-11 Hermann Schwelling Bearing arrangement and processing device equipped with it
EP3441635B1 (en) * 2017-08-09 2020-12-02 Hermann Schwelling Bearing arrangement and machining device equipped with said bearing arrangement
CN107838180A (en) * 2017-12-20 2018-03-27 中国大冢制药有限公司 Soft bag product apparatus for destroying

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1090914A (en) * 1912-03-06 1914-03-24 Fritz Gueettler Paper-comminuting machine.
US3529782A (en) * 1967-02-13 1970-09-22 Arno J Liebman Disintegrating machine
DE1758913C3 (en) * 1968-09-03 1975-04-10 Bohmter Maschinenfabrik Gmbh & Co Kg, 4508 Bohmte Device for shredding waste
DE1808155A1 (en) * 1968-11-09 1970-06-11 Schleicher Co Feinwerktech Ripping mechanism for a file or paper shredding device

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
RU211291U1 (en) * 2021-10-08 2022-05-30 Общество с ограниченной ответственностью "Газпром трансгаз Ухта" DEVICE FOR DESTRUCTION OF OFFICE DOCUMENTATION ON OPTICAL AND PAPER MEDIA

Also Published As

Publication number Publication date
DE2247901A1 (en) 1974-04-11
DE2247901B2 (en) 1976-08-12
FR2201134B1 (en) 1977-07-29
JPS53135684U (en) 1978-10-26
JPS5415031Y2 (en) 1979-06-19
FR2201134A1 (en) 1974-04-26
US3860180A (en) 1975-01-14
JPS4971576A (en) 1974-07-10

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PCNP Patent ceased through non-payment of renewal fee