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GB2140329B - Coil spring apparatus - Google Patents

Coil spring apparatus

Info

Publication number
GB2140329B
GB2140329B GB08314629A GB8314629A GB2140329B GB 2140329 B GB2140329 B GB 2140329B GB 08314629 A GB08314629 A GB 08314629A GB 8314629 A GB8314629 A GB 8314629A GB 2140329 B GB2140329 B GB 2140329B
Authority
GB
United Kingdom
Prior art keywords
coil spring
spring apparatus
coil
spring
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
GB08314629A
Other versions
GB2140329A (en
GB8314629D0 (en
Inventor
Geoffrey George Haith
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.)
Tickhill Engineering Co Ltd
Original Assignee
Tickhill Engineering Co 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 Tickhill Engineering Co Ltd filed Critical Tickhill Engineering Co Ltd
Priority to GB08314629A priority Critical patent/GB2140329B/en
Publication of GB8314629D0 publication Critical patent/GB8314629D0/en
Publication of GB2140329A publication Critical patent/GB2140329A/en
Application granted granted Critical
Publication of GB2140329B publication Critical patent/GB2140329B/en
Expired legal-status Critical Current

Links

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
    • B07B1/4609—Constructional details of screens in general; Cleaning or heating of screens constructional details of screening surfaces or meshes
    • B07B1/4636—Regulation of screen apertures
    • 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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
    • B65G33/00—Screw or rotary spiral conveyors
    • B65G33/02—Screw or rotary spiral conveyors for articles
    • B65G33/06—Screw or rotary spiral conveyors for articles conveyed and guided by parallel screws

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Environmental Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Belt Conveyors (AREA)
GB08314629A 1983-05-26 1983-05-26 Coil spring apparatus Expired GB2140329B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB08314629A GB2140329B (en) 1983-05-26 1983-05-26 Coil spring apparatus

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB08314629A GB2140329B (en) 1983-05-26 1983-05-26 Coil spring apparatus

Publications (3)

Publication Number Publication Date
GB8314629D0 GB8314629D0 (en) 1983-06-29
GB2140329A GB2140329A (en) 1984-11-28
GB2140329B true GB2140329B (en) 1986-02-05

Family

ID=10543426

Family Applications (1)

Application Number Title Priority Date Filing Date
GB08314629A Expired GB2140329B (en) 1983-05-26 1983-05-26 Coil spring apparatus

Country Status (1)

Country Link
GB (1) GB2140329B (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6722838B2 (en) 2001-04-10 2004-04-20 Bowe Bell & Howell Company Method and system for high speed tray unloading and mail transporting
NL2013477B1 (en) * 2014-09-16 2016-09-28 Bijlsma Hercules B V Device for cleaning, sieving and (pre) sorting bulb, tuber, and root crops.

Also Published As

Publication number Publication date
GB2140329A (en) 1984-11-28
GB8314629D0 (en) 1983-06-29

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee

Effective date: 19930526