GB1055201A - Improvements relating to piercing and drawing - Google Patents

Improvements relating to piercing and drawing

Info

Publication number
GB1055201A
GB1055201A GB306963A GB306963A GB1055201A GB 1055201 A GB1055201 A GB 1055201A GB 306963 A GB306963 A GB 306963A GB 306963 A GB306963 A GB 306963A GB 1055201 A GB1055201 A GB 1055201A
Authority
GB
United Kingdom
Prior art keywords
punch
die
piercing
sheet
jan
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
GB306963A
Inventor
Edward John Lulham
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.)
COPPERAD Ltd
Original Assignee
COPPERAD Ltd
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 COPPERAD Ltd filed Critical COPPERAD Ltd
Priority to GB306963A priority Critical patent/GB1055201A/en
Publication of GB1055201A publication Critical patent/GB1055201A/en
Expired legal-status Critical Current

Links

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B21MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21DWORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D19/00Flanging or other edge treatment, e.g. of tubes
    • B21D19/08Flanging or other edge treatment, e.g. of tubes by single or successive action of pressing tools, e.g. vice jaws
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B21MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21DWORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D35/00Combined processes according to or processes combined with methods covered by groups B21D1/00 - B21D31/00

Abstract

1,055,201. Stamping. COPPERAD Ltd. Jan. 24, 1964 [Jan. 24, 1963], No. 3069/63. Heading B3Q. A die-set for drawing and piercing sheet metal 12, Figs. 2 and 2A (not shown), to form a flange 18 surrounding a hole 17 comprises a piercing punch 1 surrounded by a drawing die 5, and a combined piercing die and drawing punch 8, 9 surrounded by a pressure pad 14, the punch 1 being set back in relation to the die 5 so that the sheet 12 is cupped over the punch 9 before being pierced by the punch 1, the sheet then being further drawn to the form shown in broken lines in Fig. 2a. Spring-loaded pressure plates 3, 6 are located internally and externally of the die 5.
GB306963A 1963-01-24 1963-01-24 Improvements relating to piercing and drawing Expired GB1055201A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB306963A GB1055201A (en) 1963-01-24 1963-01-24 Improvements relating to piercing and drawing

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB306963A GB1055201A (en) 1963-01-24 1963-01-24 Improvements relating to piercing and drawing

Publications (1)

Publication Number Publication Date
GB1055201A true GB1055201A (en) 1967-01-18

Family

ID=9751416

Family Applications (1)

Application Number Title Priority Date Filing Date
GB306963A Expired GB1055201A (en) 1963-01-24 1963-01-24 Improvements relating to piercing and drawing

Country Status (1)

Country Link
GB (1) GB1055201A (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1994001233A1 (en) * 1992-07-10 1994-01-20 Bodnar Ernest R Two stage die set
EP0618660A1 (en) * 1993-03-29 1994-10-05 Canon Seiki Kabushiki Kaisha Method of manufacturing stator for stepping motor
CN102836922A (en) * 2012-09-29 2012-12-26 无锡市亚青机械厂 Die for punching and flanging loader oil shield
CN103465024A (en) * 2013-09-13 2013-12-25 茂森精艺金属(苏州)有限公司 Multi-step extrusion molding method

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1994001233A1 (en) * 1992-07-10 1994-01-20 Bodnar Ernest R Two stage die set
US5722280A (en) * 1992-07-10 1998-03-03 Bodnar; Ernest Robert Two stage die set
EP0618660A1 (en) * 1993-03-29 1994-10-05 Canon Seiki Kabushiki Kaisha Method of manufacturing stator for stepping motor
US5548885A (en) * 1993-03-29 1996-08-27 Canon Seiki Kabushiki Kaisha Method of manufacturing stator for stepping motor
CN102836922A (en) * 2012-09-29 2012-12-26 无锡市亚青机械厂 Die for punching and flanging loader oil shield
CN102836922B (en) * 2012-09-29 2016-05-25 无锡市亚青机械厂 A kind of machine oil cover piercing and flanging mould that loads
CN103465024A (en) * 2013-09-13 2013-12-25 茂森精艺金属(苏州)有限公司 Multi-step extrusion molding method

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