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GB1114781A - Improvements in or relating to the fabrication of tubes - Google Patents

Improvements in or relating to the fabrication of tubes

Info

Publication number
GB1114781A
GB1114781A GB6881/65A GB688165A GB1114781A GB 1114781 A GB1114781 A GB 1114781A GB 6881/65 A GB6881/65 A GB 6881/65A GB 688165 A GB688165 A GB 688165A GB 1114781 A GB1114781 A GB 1114781A
Authority
GB
United Kingdom
Prior art keywords
plug
blank
pressure
bore
inch
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
GB6881/65A
Inventor
Derek Green
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.)
UK Atomic Energy Authority
Original Assignee
UK Atomic Energy Authority
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 UK Atomic Energy Authority filed Critical UK Atomic Energy Authority
Priority to GB6881/65A priority Critical patent/GB1114781A/en
Priority to US525655A priority patent/US3427843A/en
Publication of GB1114781A publication Critical patent/GB1114781A/en
Expired legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21C—MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES, PROFILES OR LIKE SEMI-MANUFACTURED PRODUCTS OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
    • B21C1/00—Manufacture of metal sheets, wire, rods, tubes or like semi-manufactured products by drawing
    • B21C1/16—Metal drawing by machines or apparatus in which the drawing action is effected by means other than drums, e.g. by a longitudinally-moved carriage pulling or pushing the work or stock for making metal sheets, rods or tubes
    • B21C1/22—Metal drawing by machines or apparatus in which the drawing action is effected by means other than drums, e.g. by a longitudinally-moved carriage pulling or pushing the work or stock for making metal sheets, rods or tubes specially adapted for making tubular articles
    • B21C1/24—Metal drawing by machines or apparatus in which the drawing action is effected by means other than drums, e.g. by a longitudinally-moved carriage pulling or pushing the work or stock for making metal sheets, rods or tubes specially adapted for making tubular articles by means of mandrels
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21C—MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES, PROFILES OR LIKE SEMI-MANUFACTURED PRODUCTS OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
    • B21C1/00—Manufacture of metal sheets, wire, rods, tubes or like semi-manufactured products by drawing
    • B21C1/16—Metal drawing by machines or apparatus in which the drawing action is effected by means other than drums, e.g. by a longitudinally-moved carriage pulling or pushing the work or stock for making metal sheets, rods or tubes
    • B21C1/22—Metal drawing by machines or apparatus in which the drawing action is effected by means other than drums, e.g. by a longitudinally-moved carriage pulling or pushing the work or stock for making metal sheets, rods or tubes specially adapted for making tubular articles
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21C—MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES, PROFILES OR LIKE SEMI-MANUFACTURED PRODUCTS OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
    • B21C23/00—Extruding metal; Impact extrusion
    • B21C23/02—Making uncoated products
    • B21C23/04—Making uncoated products by direct extrusion
    • B21C23/08—Making wire, rods or tubes
    • B21C23/085—Making tubes
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D39/00—Application of procedures in order to connect objects or parts, e.g. coating with sheet metal otherwise than by plating; Tube expanders
    • B21D39/08—Tube expanders
    • B21D39/14—Tube expanders with balls
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D41/00—Application of procedures in order to alter the diameter of tube ends

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Shaping Metal By Deep-Drawing, Or The Like (AREA)
  • Forging (AREA)

Abstract

1,114,781. Drawing; forging. UNITED KINGDOM ATOMIC ENERGY AUTHORITY. 4 Feb., 1966 [17 Feb., 1965], No. 6881/65. Headings B3H and B3P. A method of making a thin walled tube by wall thinning of a tubular blank 11 comprises forcing a plug 13 through the blank whilst the blank is held in a close fitting containing vessel 5 resistant to internal pressure, the plug 13 being forced through the bore by the application of a primary hydraulic liquid under a pressure P1 on one side of the plug, a secondary hydraulic pressure P2 being applied on the other side of the plug. An apparatus for performing the method comprises the containing vessel 5 which is constructed of longitudinal segments having mating radial faces, a thin rubber outer sheath 9 and a pressure-tight cylinder 1 which is closed at its lower end by a plug 2 and at its upper end by a ram 15. The blank 11 has an end flange 12 which engages the end surface of the container 5 through an annular end plate 10. When the ram 15 is lowered the primary hydraulic liquid acts on the plug and on the outside of the container 5. Alternatively, the primary hydraulic fluid may act only on the plug and hydraulic liquid from a separate source is applied to the outer surface of the sheath 9. The method is described with reference to the production of a molybdenum tube 1À00 inch outside diameter and 0À906 inch bore from a blank of the same outside diameter and a bore of 0À125 inch. It is also stated that fins &c. may be formed on the outside of the tube.
GB6881/65A 1965-02-17 1965-02-17 Improvements in or relating to the fabrication of tubes Expired GB1114781A (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
GB6881/65A GB1114781A (en) 1965-02-17 1965-02-17 Improvements in or relating to the fabrication of tubes
US525655A US3427843A (en) 1965-02-17 1966-02-07 Apparatus for the fabrication of tubes by wall thinning in tubular blanks

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB6881/65A GB1114781A (en) 1965-02-17 1965-02-17 Improvements in or relating to the fabrication of tubes

Publications (1)

Publication Number Publication Date
GB1114781A true GB1114781A (en) 1968-05-22

Family

ID=9822497

Family Applications (1)

Application Number Title Priority Date Filing Date
GB6881/65A Expired GB1114781A (en) 1965-02-17 1965-02-17 Improvements in or relating to the fabrication of tubes

Country Status (2)

Country Link
US (1) US3427843A (en)
GB (1) GB1114781A (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102006043590A1 (en) * 2006-09-16 2008-03-27 Sandvik Gmbh ball autofrettage
CN113926933B (en) * 2021-10-18 2024-06-28 宏管热交换科技(江苏)有限公司 Preparation method of ultra-high precision and ultra-thin wall aluminum square tube

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1455771A (en) * 1918-10-25 1923-05-22 Anderson Martin Process for expanding and smoothing the bores in gun barrels
US2465677A (en) * 1945-12-13 1949-03-29 Niagara Blower Co Holder for the ends of tubes

Also Published As

Publication number Publication date
US3427843A (en) 1969-02-18

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