GB545861A - Improvements in or relating to piston or packing rings - Google Patents

Improvements in or relating to piston or packing rings

Info

Publication number
GB545861A
GB545861A GB785441A GB785441A GB545861A GB 545861 A GB545861 A GB 545861A GB 785441 A GB785441 A GB 785441A GB 785441 A GB785441 A GB 785441A GB 545861 A GB545861 A GB 545861A
Authority
GB
United Kingdom
Prior art keywords
casing
plunger
air
drill
hose
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
GB785441A
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.)
Northrop Grumman Space and Mission Systems Corp
Original Assignee
Thompson Products Inc
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 Thompson Products Inc filed Critical Thompson Products Inc
Priority to GB785441A priority Critical patent/GB545861A/en
Publication of GB545861A publication Critical patent/GB545861A/en
Expired legal-status Critical Current

Links

Classifications

    • 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
    • F16J—PISTONS; CYLINDERS; SEALINGS
    • F16J9/00—Piston-rings, e.g. non-metallic piston-rings, seats therefor; Ring sealings of similar construction
    • F16J9/06—Piston-rings, e.g. non-metallic piston-rings, seats therefor; Ring sealings of similar construction using separate springs or elastic elements expanding the rings; Springs therefor ; Expansion by wedging
    • 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
    • F16J—PISTONS; CYLINDERS; SEALINGS
    • F16J9/00—Piston-rings, e.g. non-metallic piston-rings, seats therefor; Ring sealings of similar construction
    • F16J9/12—Details
    • F16J9/20—Rings with special cross-section; Oil-scraping rings
    • F16J9/203—Oil-scraping rings

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Drilling And Boring (AREA)

Abstract

545,861. Removing chips in drilling metals. CHICAGO PNEUMATIC TOOL CO. Aug. 8, 1941, No. 10095. Convention date, Oct. 5, 1940. [Class 8 (ii)] [Also in Group XXII] A drilling tool, especially for forming rivet holes in superposed aluminium sheets, is provided with a casing on the front of the tool including a plunger 41 which holds the work down and is axially bored to receive the drill and allow air to be drawn through into the casing and through a hose 27 to a dust-bag; the air current may be induced by a jet of compressed air led into'the hose or into a casing enclosing a wire mesh bag to which several drills may be connected. Air holes 61, 62 may be formed in the casing and plunger. The plunger is pressed forwards by a spring. The part 39 of the casing is held in a position adjusted to the length of the drill by an adjustable wire clip 54 engaging a slot in its end. The casing and plunger can be advanced and retracted by a ring 47 provided with locking balls. The air exhauster and drill motor may be started together automatically.
GB785441A 1941-06-21 1941-06-21 Improvements in or relating to piston or packing rings Expired GB545861A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB785441A GB545861A (en) 1941-06-21 1941-06-21 Improvements in or relating to piston or packing rings

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB785441A GB545861A (en) 1941-06-21 1941-06-21 Improvements in or relating to piston or packing rings

Publications (1)

Publication Number Publication Date
GB545861A true GB545861A (en) 1942-06-16

Family

ID=9841067

Family Applications (1)

Application Number Title Priority Date Filing Date
GB785441A Expired GB545861A (en) 1941-06-21 1941-06-21 Improvements in or relating to piston or packing rings

Country Status (1)

Country Link
GB (1) GB545861A (en)

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