GB1158245A - Method of Forming a Hollow Rivet. - Google Patents

Method of Forming a Hollow Rivet.

Info

Publication number
GB1158245A
GB1158245A GB999268A GB999268A GB1158245A GB 1158245 A GB1158245 A GB 1158245A GB 999268 A GB999268 A GB 999268A GB 999268 A GB999268 A GB 999268A GB 1158245 A GB1158245 A GB 1158245A
Authority
GB
United Kingdom
Prior art keywords
rivet
sheet
tab
dies
tear
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
GB999268A
Inventor
Omar Luther Brown
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
Priority to GB999268A priority Critical patent/GB1158245A/en
Publication of GB1158245A publication Critical patent/GB1158245A/en
Expired legal-status Critical Current

Links

Classifications

    • 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
    • B21D39/03—Application of procedures in order to connect objects or parts, e.g. coating with sheet metal otherwise than by plating; Tube expanders of sheet metal otherwise than by folding
    • B21D39/031—Joining superposed plates by locally deforming without slitting or piercing
    • B21D39/032—Joining superposed plates by locally deforming without slitting or piercing by fitting a projecting part integral with one plate in a hole of the other plate
    • 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
    • B21D51/00—Making hollow objects
    • B21D51/16—Making hollow objects characterised by the use of the objects
    • B21D51/38—Making inlet or outlet arrangements of cans, tins, baths, bottles, or other vessels; Making can ends; Making closures
    • B21D51/383—Making inlet or outlet arrangements of cans, tins, baths, bottles, or other vessels; Making can ends; Making closures scoring lines, tear strips or pulling tabs

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Insertion Pins And Rivets (AREA)

Abstract

1,158,245. Making rivets; extruding; attaching handles. E. C. FRAZE. 1 March, 1968, No. 9992/68. Headings B3A, B3P and B3U. [Also in Division B8] A rivet 18a is formed integral with a sheet 14a by squeezing an annular zone of the sheet between dies 22, 24 to cause the material to flow radially inwards. A protrusion 28 is provided on the lower die so that the sheet is clamped outside the squeezed zone. The amount of material extruded may be such that when the rivet is deformed by a punch 152 to secure, for example, a tear-tab 120 of a can to the can end 110 the rivet is substantially solid (130), Fig. 18 (not shown). The sheet is formed with a reduced thickness portion by the dies and this portion is formed with a tear line 20 between a pair of dies (36), (38), Fig. 3a (not shown). The reduced thickness portion may be formed by an indention on either side of the sheet to define a recess 64 into which the stepped end 70 of the tab 66 seats. The rivet is supported internally by a die 74 during setting when the end wall is extruded outwards by opposed dies 75, 74 to form a bead (18), Fig. 11 (not shown). If the rivet is to be solid when set the rivet is not supported internally during setting, but the lower die 150 may have a conical projection which does not extend through the opening in the tab. The sheet and tear tab are preferably aluminium.
GB999268A 1968-03-01 1968-03-01 Method of Forming a Hollow Rivet. Expired GB1158245A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB999268A GB1158245A (en) 1968-03-01 1968-03-01 Method of Forming a Hollow Rivet.

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB999268A GB1158245A (en) 1968-03-01 1968-03-01 Method of Forming a Hollow Rivet.

Publications (1)

Publication Number Publication Date
GB1158245A true GB1158245A (en) 1969-07-16

Family

ID=9882559

Family Applications (1)

Application Number Title Priority Date Filing Date
GB999268A Expired GB1158245A (en) 1968-03-01 1968-03-01 Method of Forming a Hollow Rivet.

Country Status (1)

Country Link
GB (1) GB1158245A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2173139A (en) * 1985-03-18 1986-10-08 Ladney M Jr Method and apparatus for staking
JP2015165151A (en) * 2014-03-03 2015-09-17 日光金属工業株式会社 Dowel caulking method

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2173139A (en) * 1985-03-18 1986-10-08 Ladney M Jr Method and apparatus for staking
JP2015165151A (en) * 2014-03-03 2015-09-17 日光金属工業株式会社 Dowel caulking method

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Legal Events

Date Code Title Description
PS Patent sealed
PE20 Patent expired after termination of 20 years