CA2051101A1 - Arrangement in Fume Extraction Arms - Google Patents

Arrangement in Fume Extraction Arms

Info

Publication number
CA2051101A1
CA2051101A1 CA2051101A CA2051101A CA2051101A1 CA 2051101 A1 CA2051101 A1 CA 2051101A1 CA 2051101 A CA2051101 A CA 2051101A CA 2051101 A CA2051101 A CA 2051101A CA 2051101 A1 CA2051101 A1 CA 2051101A1
Authority
CA
Canada
Prior art keywords
bolt
leg member
members
leg
arrangement
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
CA2051101A
Other languages
French (fr)
Other versions
CA2051101C (en
Inventor
Ambjorn Holmgren
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.)
PlymoVent AB
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
Priority claimed from PCT/SE1990/000254 external-priority patent/WO1990011845A1/en
Publication of CA2051101A1 publication Critical patent/CA2051101A1/en
Application granted granted Critical
Publication of CA2051101C publication Critical patent/CA2051101C/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B08—CLEANING
    • B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
    • B08B15/00—Preventing escape of dirt or fumes from the area where they are produced; Collecting or removing dirt or fumes from that area
    • B08B15/04—Preventing escape of dirt or fumes from the area where they are produced; Collecting or removing dirt or fumes from that area from a small area, e.g. a tool
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
    • F16L27/00—Adjustable joints, Joints allowing movement
    • F16L27/08—Adjustable joints, Joints allowing movement allowing adjustment or movement only about the axis of one pipe
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
    • F16L3/00—Supports for pipes, cables or protective tubing, e.g. hangers, holders, clamps, cleats, clips, brackets
    • F16L3/16—Supports for pipes, cables or protective tubing, e.g. hangers, holders, clamps, cleats, clips, brackets with special provision allowing movement of the pipe

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Joints Allowing Movement (AREA)
  • Quick-Acting Or Multi-Walled Pipe Joints (AREA)

Abstract

An external middle joint (5) for an extraction arm having two essentially identical halves (9 and 10) each of which has a connection piece (11,12) and two leg members (14, 15 and 16, 17, respectively) projecting from the connection piece and extending on either side of a length of hose, each leg member being articulated to the corresponding leg member of the opposite joint half by means of carriage bolt connections (18, 19). The latter are formed with a bolt (20) which is non-rotationally mounted in one of the leg members (16 and 15, respectively) of the other joint half (9 and 10), and which supports a knob (21) threaded thereon.
Driving members (22, 23) are mounted in a position intermediate the corresponding knob (21) and the adjacent leg member (15,16) and are anchored in the leg member (17 and 14, respectively) in which the bolt (20) is non-rotationally mounted. Upon movement of the middle joint (5) the driving members (22, 23) and consequently the knobs (21) arc imparted a movement identical with that of the associated bolt (20), whereby automatic unscrewing movements of the boltconnections (18, 19) are prevented.
CA002051101A 1990-04-17 1990-04-17 Arrangement in fume extraction arms Expired - Fee Related CA2051101C (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/SE1990/000254 WO1990011845A1 (en) 1989-04-13 1990-04-17 An arrangement in fume extraction arms

Publications (2)

Publication Number Publication Date
CA2051101A1 true CA2051101A1 (en) 1991-10-18
CA2051101C CA2051101C (en) 1999-06-15

Family

ID=28673250

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002051101A Expired - Fee Related CA2051101C (en) 1990-04-17 1990-04-17 Arrangement in fume extraction arms

Country Status (1)

Country Link
CA (1) CA2051101C (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106734032A (en) * 2016-12-16 2017-05-31 河南省开元盛世通用机械设备制造有限公司 Intermediate frequency furnace mobile smoke capturing device

Also Published As

Publication number Publication date
CA2051101C (en) 1999-06-15

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Legal Events

Date Code Title Description
EEER Examination request
MKLA Lapsed