GB191311307A - Improvements in Tube Scraping Devices. - Google Patents

Improvements in Tube Scraping Devices.

Info

Publication number
GB191311307A
GB191311307A GB191311307DA GB191311307A GB 191311307 A GB191311307 A GB 191311307A GB 191311307D A GB191311307D A GB 191311307DA GB 191311307 A GB191311307 A GB 191311307A
Authority
GB
United Kingdom
Prior art keywords
teeth
scraper
scraping devices
tube scraping
blades
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
Inventor
Addison Willis
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Application granted granted Critical
Publication of GB191311307A publication Critical patent/GB191311307A/en
Expired legal-status Critical Current

Links

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23DPLANING; SLOTTING; SHEARING; BROACHING; SAWING; FILING; SCRAPING; LIKE OPERATIONS FOR WORKING METAL BY REMOVING MATERIAL, NOT OTHERWISE PROVIDED FOR
    • B23D79/00Methods, machines, or devices not covered elsewhere, for working metal by removal of material
    • B23D79/02Machines or devices for scraping
    • B23D79/08Hand scraping-implements

Landscapes

  • Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Cleaning In General (AREA)

Abstract

11,307. Willis, A. May 14. Cleaning internally, rotary appliances for.- In a pipe-scraper having helical blades a, the teeth c<1>, c<2> are so arranged that cutting occurs on both the forw a r d and backward travel of the scraper; for example the teeth c<1> may be shaped to cut as the scraper advances, and the teeth c<2> to act as it is withdrawn. The blades may be made integrally or may be separately secured to an axial carrying-member.
GB191311307D 1913-05-14 1913-05-14 Improvements in Tube Scraping Devices. Expired GB191311307A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB191311307T 1913-05-14

Publications (1)

Publication Number Publication Date
GB191311307A true GB191311307A (en) 1913-10-16

Family

ID=32370710

Family Applications (1)

Application Number Title Priority Date Filing Date
GB191311307D Expired GB191311307A (en) 1913-05-14 1913-05-14 Improvements in Tube Scraping Devices.

Country Status (1)

Country Link
GB (1) GB191311307A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102873405A (en) * 2012-10-15 2013-01-16 江苏天宏自动化科技有限公司 Hexa-edge spiral surface finishing cutter

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102873405A (en) * 2012-10-15 2013-01-16 江苏天宏自动化科技有限公司 Hexa-edge spiral surface finishing cutter

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