CA1057133A - Appareil et procede de fabrication de bouts en acier pour chaussures de securite - Google Patents

Appareil et procede de fabrication de bouts en acier pour chaussures de securite

Info

Publication number: CA1057133A
Authority: CA; Canada
Prior art keywords: toe cap; workpiece; cap parts; edges; die
Prior art date: 1976-05-04
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

CA251,725A

Other languages

English (en)

Inventor

Norman H. Evers

William H. Ryan

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.)

Ryan William H Usa//

Original Assignee

Ryan William H Usa//

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.)

1976-05-04

Filing date

1976-05-04

Publication date

1979-06-26

1976-05-04 Application filed by Ryan William H Usa// filed Critical Ryan William H Usa//

1976-05-04 Priority to CA251,725A priority Critical patent/CA1057133A/fr

1979-06-26 Application granted granted Critical

1979-06-26 Publication of CA1057133A publication Critical patent/CA1057133A/fr

Status Expired legal-status Critical Current

Links

210000003371 toe Anatomy 0.000 title claims abstract description 94
238000000034 method Methods 0.000 title claims abstract description 22
229910000831 Steel Inorganic materials 0.000 title description 10
239000010959 steel Substances 0.000 title description 10
238000009966 trimming Methods 0.000 claims abstract description 32
230000013011 mating Effects 0.000 claims abstract description 19
230000001788 irregular Effects 0.000 claims abstract description 14
239000002184 metal Substances 0.000 claims abstract description 12
238000012545 processing Methods 0.000 claims abstract description 8
238000005520 cutting process Methods 0.000 claims description 40
238000010008 shearing Methods 0.000 claims description 29
239000000463 material Substances 0.000 claims description 15
238000004519 manufacturing process Methods 0.000 claims description 7
230000000295 complement effect Effects 0.000 claims description 2
238000003825 pressing Methods 0.000 claims description 2
230000000977 initiatory effect Effects 0.000 claims 1
229920000136 polysorbate Polymers 0.000 claims 1
230000033001 locomotion Effects 0.000 abstract description 17
238000010276 construction Methods 0.000 abstract description 7
230000000875 corresponding effect Effects 0.000 description 3
210000003414 extremity Anatomy 0.000 description 3
210000002683 foot Anatomy 0.000 description 2
229910000760 Hardened steel Inorganic materials 0.000 description 1
238000007792 addition Methods 0.000 description 1
230000002301 combined effect Effects 0.000 description 1
239000000306 component Substances 0.000 description 1
238000006073 displacement reaction Methods 0.000 description 1
238000009472 formulation Methods 0.000 description 1
238000010438 heat treatment Methods 0.000 description 1
238000007689 inspection Methods 0.000 description 1
239000000203 mixture Substances 0.000 description 1
230000004048 modification Effects 0.000 description 1
238000012986 modification Methods 0.000 description 1
230000001105 regulatory effect Effects 0.000 description 1
238000000926 separation method Methods 0.000 description 1
238000003466 welding Methods 0.000 description 1

Landscapes

Punching Or Piercing (AREA)

CA251,725A 1976-05-04 1976-05-04 Appareil et procede de fabrication de bouts en acier pour chaussures de securite Expired CA1057133A (fr)

Priority Applications (1)

Application Number	Priority Date	Filing Date	Title
CA251,725A CA1057133A (fr)	1976-05-04	1976-05-04	Appareil et procede de fabrication de bouts en acier pour chaussures de securite

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
CA251,725A CA1057133A (fr)	1976-05-04	1976-05-04	Appareil et procede de fabrication de bouts en acier pour chaussures de securite

Publications (1)

Publication Number	Publication Date
CA1057133A true CA1057133A (fr)	1979-06-26

Family

ID=4105858

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
CA251,725A Expired CA1057133A (fr)	1976-05-04	1976-05-04	Appareil et procede de fabrication de bouts en acier pour chaussures de securite

Country Status (1)

Country	Link
CA (1)	CA1057133A (fr)

1976
- 1976-05-04 CA CA251,725A patent/CA1057133A/fr not_active Expired

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