GB2234149B - Soil sieve or grading device - Google Patents

Soil sieve or grading device

Info

Publication number
GB2234149B
GB2234149B GB8917291A GB8917291A GB2234149B GB 2234149 B GB2234149 B GB 2234149B GB 8917291 A GB8917291 A GB 8917291A GB 8917291 A GB8917291 A GB 8917291A GB 2234149 B GB2234149 B GB 2234149B
Authority
GB
United Kingdom
Prior art keywords
grading device
soil sieve
sieve
soil
grading
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 - Fee Related
Application number
GB8917291A
Other versions
GB8917291D0 (en
GB2234149A (en
Inventor
Timothy Needham
David Weston
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.)
Richard Pearson Ltd
Original Assignee
Richard Pearson Ltd
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 Richard Pearson Ltd filed Critical Richard Pearson Ltd
Priority to GB8917291A priority Critical patent/GB2234149B/en
Publication of GB8917291D0 publication Critical patent/GB8917291D0/en
Priority to ES90308300T priority patent/ES2067679T3/en
Priority to DE69014465T priority patent/DE69014465T2/en
Priority to DK90308300.4T priority patent/DK0410808T3/en
Priority to EP90308300A priority patent/EP0410808B1/en
Priority to EP90308299A priority patent/EP0410807B1/en
Priority to AT90308299T priority patent/ATE116794T1/en
Priority to ES90308299T priority patent/ES2069694T3/en
Priority to DK90308299.8T priority patent/DK0410807T3/en
Priority to AT90308300T priority patent/ATE114399T1/en
Priority to DE69015915T priority patent/DE69015915T2/en
Publication of GB2234149A publication Critical patent/GB2234149A/en
Application granted granted Critical
Publication of GB2234149B publication Critical patent/GB2234149B/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01D—HARVESTING; MOWING
    • A01D33/00—Accessories for digging harvesters
    • A01D33/04—Stone-separating mechanisms
    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01D—HARVESTING; MOWING
    • A01D17/00—Digging machines with sieving and conveying mechanisms
    • A01D17/06—Digging machines with sieving and conveying mechanisms with rollers or disc 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
    • B07B1/12—Apparatus having only parallel elements
    • B07B1/14—Roller screens
    • B07B1/15—Roller screens using corrugated, grooved or ribbed rollers
    • B07B1/155—Roller screens using corrugated, grooved or ribbed rollers the rollers having a star shaped cross section

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Environmental Sciences (AREA)
  • Combined Means For Separation Of Solids (AREA)
GB8917291A 1989-07-28 1989-07-28 Soil sieve or grading device Expired - Fee Related GB2234149B (en)

Priority Applications (11)

Application Number Priority Date Filing Date Title
GB8917291A GB2234149B (en) 1989-07-28 1989-07-28 Soil sieve or grading device
AT90308299T ATE116794T1 (en) 1989-07-28 1990-07-27 AGRICULTURAL SEPARATION DEVICE.
DK90308299.8T DK0410807T3 (en) 1989-07-28 1990-07-27 An agricultural
DK90308300.4T DK0410808T3 (en) 1989-07-28 1990-07-27 A lift conveyor as well as an agricultural separator comprising a lift conveyor
EP90308300A EP0410808B1 (en) 1989-07-28 1990-07-27 A lifting conveyor, and an agricultural separator incorporating a lifting conveyor
EP90308299A EP0410807B1 (en) 1989-07-28 1990-07-27 Agricultural separator
ES90308300T ES2067679T3 (en) 1989-07-28 1990-07-27 LIFTING CONVEYOR AND AGRICULTURAL MACHINE WITH A LIFTING CONVEYOR.
ES90308299T ES2069694T3 (en) 1989-07-28 1990-07-27 AGRICULTURAL SEPARATOR.
DE69014465T DE69014465T2 (en) 1989-07-28 1990-07-27 A lifting transport device and an agricultural separation device comprising a lifting transport device.
AT90308300T ATE114399T1 (en) 1989-07-28 1990-07-27 A LIFTING DEVICE AND AN AGRICULTURAL SEPARATION DEVICE INCLUDING A LIFTING DEVICE.
DE69015915T DE69015915T2 (en) 1989-07-28 1990-07-27 Agricultural separation device.

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB8917291A GB2234149B (en) 1989-07-28 1989-07-28 Soil sieve or grading device

Publications (3)

Publication Number Publication Date
GB8917291D0 GB8917291D0 (en) 1989-09-13
GB2234149A GB2234149A (en) 1991-01-30
GB2234149B true GB2234149B (en) 1993-09-15

Family

ID=10660784

Family Applications (1)

Application Number Title Priority Date Filing Date
GB8917291A Expired - Fee Related GB2234149B (en) 1989-07-28 1989-07-28 Soil sieve or grading device

Country Status (1)

Country Link
GB (1) GB2234149B (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE29516309U1 (en) * 1995-10-14 1997-02-06 Grimme Landmaschf Franz Star wheel for star wheel rollers and cutting device with star wheel roller
DE10065403A1 (en) * 2000-12-27 2002-07-18 August Mueller Kg Maschinenfab Finger roller grid-type sifting device e.g. for refuse material, has shaft-mounted stellar-type finger discs with fingers extending out from hub zone
GB2407469B (en) * 2003-04-25 2006-04-19 Pearson Separation Machinery L Adjustable separator
DE102008054239A1 (en) 2008-10-31 2010-05-20 Grimme Landmaschinenfabrik Gmbh & Co. Kg Starwheel for starwheel rollers of conveying or separating devices
CN110100562A (en) * 2019-06-14 2019-08-09 东北农业大学 Column root-tuber crop roll-type Qing Tu mechanism

Also Published As

Publication number Publication date
GB8917291D0 (en) 1989-09-13
GB2234149A (en) 1991-01-30

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Legal Events

Date Code Title Description
732E Amendments to the register in respect of changes of name or changes affecting rights (sect. 32/1977)
PCNP Patent ceased through non-payment of renewal fee

Effective date: 20030728

732E Amendments to the register in respect of changes of name or changes affecting rights (sect. 32/1977)

Free format text: REGISTERED BETWEEN 20090219 AND 20090225