EP0283550A2 - Bande abrasive - Google Patents

Bande abrasive Download PDF

Info

Publication number
EP0283550A2
EP0283550A2 EP87108574A EP87108574A EP0283550A2 EP 0283550 A2 EP0283550 A2 EP 0283550A2 EP 87108574 A EP87108574 A EP 87108574A EP 87108574 A EP87108574 A EP 87108574A EP 0283550 A2 EP0283550 A2 EP 0283550A2
Authority
EP
European Patent Office
Prior art keywords
abrasive
abrasive grain
butt joint
grain
width
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
EP87108574A
Other languages
German (de)
English (en)
Other versions
EP0283550A3 (en
EP0283550B1 (fr
Inventor
Wolfgang Bertram
Ewald Grote
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.)
Carborundum Schleifmittelwerke GmbH
Original Assignee
Carborundum Schleifmittelwerke 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 Carborundum Schleifmittelwerke GmbH filed Critical Carborundum Schleifmittelwerke GmbH
Priority to AT87108574T priority Critical patent/ATE73373T1/de
Publication of EP0283550A2 publication Critical patent/EP0283550A2/fr
Publication of EP0283550A3 publication Critical patent/EP0283550A3/de
Application granted granted Critical
Publication of EP0283550B1 publication Critical patent/EP0283550B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B24GRINDING; POLISHING
    • B24DTOOLS FOR GRINDING, BUFFING OR SHARPENING
    • B24D11/00Constructional features of flexible abrasive materials; Special features in the manufacture of such materials
    • B24D11/06Connecting the ends of materials, e.g. for making abrasive belts

Definitions

  • the innovation relates to an abrasive belt which is coated with abrasive grain on at least one side and is provided with a straight-cut butt joint with a connecting strip placed or inserted on the pressure side.
  • Abrasive belts consist of an underlay coated with abrasive. Substrates made of paper, tissue or paper-tissue combination are preferred as the material for the base. In order to produce an abrasive belt from the abrasive-coated underlay, the corresponding cutting of the abrasive belt must be made endless. To do this, the ends of the abrasive belt cut are butted and joined together. The quality of the band fasteners is subject to very high demands with regard to durability and dimensional accuracy. The quality of the connection point is often decisive for the quality of the accessible micrograph. There are various designs of abrasive belt closures. The best-known and oldest embodiment is the Lapp lock. The abrasive belt cut is sharpened at both ends, in different ways in the upper and lower lobes. The two bevelled ends are provided with adhesive and placed one above the other and pressed together.
  • abrasive belts produced in this way also show an elevation in the closure area which corresponds to the thickness of the connecting strip. Attempts have therefore been made to use thin but high-strength materials as connecting strips in order to keep the increase as low as possible. Another step in this direction is the measure of removing some material on the pressure side, as far as this is possible without damaging the documents. But also the best Known butt locks usually show a disturbing stiffening in the area of the connection points.
  • joints with an inserted connecting strip were then produced for abrasives on paper-tissue combination, which are constructed in such a way that the paper layer on both sides of the joint is removed in a width of approx. 10 mm and is replaced by a connecting film bridged the butt joint.
  • band closures can be produced with a dimensional accuracy of ⁇ 0 mm or even with undersize. Nevertheless, such closures still show markings on the ground surface of sensitive workpieces.
  • Markings are generally recognizable on straight-cut butt locks if they are used on sensitive workpieces.
  • shock fasteners with a wave cut have been made.
  • these closures show a certain improvement compared to the straight cut closure, they have other disadvantages: - expensive cutting tools that are difficult to manufacture and susceptible to wear are required, - the sealing zone inevitably becomes wider, - stiffening of the grinding belt occurs in a larger area.
  • Abrasive belts with this connection point show a mark-free, perfect sanding during sensitive sanding operations, for example when sanding chipboard.
  • the sanding belts manufactured with new closures also show an overall smooth running behavior. As a result, the oscillation of the sanding belts is less disturbed, which delays the formation of undesirable longitudinal stripes caused thereby.
  • the durability of the closures is increased.
  • the ends 1a, 1b of the endlessly made sanding belt 1 form the butt joint 2 according to the enlarged detail in FIGS. 2 to 5 and are overlaid on (FIGS. 2 and 3) or inlaid (FIGS. 4 and 5) Strip 3 connected together.
  • the sanding belt 1 is provided with an abrasive grain layer 4. This runs towards the butt joint 2 either step-like (Fig. 2 and 4) or preferably beveled (Fig. 3 and 5).

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Polishing Bodies And Polishing Tools (AREA)
  • Finish Polishing, Edge Sharpening, And Grinding By Specific Grinding Devices (AREA)
  • Adhesive Tapes (AREA)
EP87108574A 1987-03-25 1987-06-13 Bande abrasive Expired - Lifetime EP0283550B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT87108574T ATE73373T1 (de) 1987-03-25 1987-06-13 Schleifband.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE8704435U 1987-03-25
DE8704435U DE8704435U1 (de) 1987-03-25 1987-03-25 Schleifband

Publications (3)

Publication Number Publication Date
EP0283550A2 true EP0283550A2 (fr) 1988-09-28
EP0283550A3 EP0283550A3 (en) 1990-02-28
EP0283550B1 EP0283550B1 (fr) 1992-03-11

Family

ID=6806270

Family Applications (1)

Application Number Title Priority Date Filing Date
EP87108574A Expired - Lifetime EP0283550B1 (fr) 1987-03-25 1987-06-13 Bande abrasive

Country Status (4)

Country Link
EP (1) EP0283550B1 (fr)
AT (1) ATE73373T1 (fr)
DE (2) DE8704435U1 (fr)
ES (1) ES2030016T3 (fr)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1112816A3 (fr) * 1999-12-30 2001-10-04 Lam Research Corporation Tampon de polissage et procédé de fabrication
EP1561545A1 (fr) * 2004-02-09 2005-08-10 sia Abrasives Industries AG Courroie abrasive
EP1561543A1 (fr) * 2004-02-09 2005-08-10 sia Abrasives Industries AG Courroie abrasive
EP1561544A1 (fr) * 2004-02-09 2005-08-10 sia Abrasives Industries AG Courroie abrasive
CN110977797A (zh) * 2019-12-20 2020-04-10 韶关威鸣研磨材料有限公司 一种砂带接口结构及其对接工艺

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2445807A (en) * 1947-06-18 1948-07-27 Carborundum Co Joint for abrasive belts or bands
US3427765A (en) * 1966-02-11 1969-02-18 Carborundum Co Abrasive belts and method of making same
US3402514A (en) * 1966-11-30 1968-09-24 Abrasive Products Inc Butt joint for flexible abrasive sheet material

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1112816A3 (fr) * 1999-12-30 2001-10-04 Lam Research Corporation Tampon de polissage et procédé de fabrication
US6569004B1 (en) 1999-12-30 2003-05-27 Lam Research Polishing pad and method of manufacture
US6869339B2 (en) 1999-12-30 2005-03-22 Lam Research Corporation Polishing pad and method of manufacture
EP1561545A1 (fr) * 2004-02-09 2005-08-10 sia Abrasives Industries AG Courroie abrasive
EP1561543A1 (fr) * 2004-02-09 2005-08-10 sia Abrasives Industries AG Courroie abrasive
EP1561544A1 (fr) * 2004-02-09 2005-08-10 sia Abrasives Industries AG Courroie abrasive
CN110977797A (zh) * 2019-12-20 2020-04-10 韶关威鸣研磨材料有限公司 一种砂带接口结构及其对接工艺

Also Published As

Publication number Publication date
EP0283550A3 (en) 1990-02-28
ES2030016T3 (es) 1992-10-16
ATE73373T1 (de) 1992-03-15
DE3777393D1 (de) 1992-04-16
EP0283550B1 (fr) 1992-03-11
DE8704435U1 (de) 1987-05-21

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