GB1360791A - Punching machines for sheet material - Google Patents

Punching machines for sheet material

Info

Publication number
GB1360791A
GB1360791A GB1446971A GB1446971A GB1360791A GB 1360791 A GB1360791 A GB 1360791A GB 1446971 A GB1446971 A GB 1446971A GB 1446971 A GB1446971 A GB 1446971A GB 1360791 A GB1360791 A GB 1360791A
Authority
GB
United Kingdom
Prior art keywords
sheet material
punching machines
punching
machines
sheet
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
GB1446971A
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.)
LOOKWOOD N
Original Assignee
LOOKWOOD N
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 LOOKWOOD N filed Critical LOOKWOOD N
Priority to GB1446971A priority Critical patent/GB1360791A/en
Priority to FR7121339A priority patent/FR2097868A5/fr
Publication of GB1360791A publication Critical patent/GB1360791A/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
    • B21D28/00—Shaping by press-cutting; Perforating
    • B21D28/02—Punching blanks or articles with or without obtaining scrap; Notching
    • B21D28/04—Centering the work; Positioning the tools
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K3/00—Apparatus or processes for manufacturing printed circuits
    • H05K3/0011—Working of insulating substrates or insulating layers
    • H05K3/0044—Mechanical working of the substrate, e.g. drilling or punching
    • H05K3/005—Punching of holes
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K2201/00—Indexing scheme relating to printed circuits covered by H05K1/00
    • H05K2201/09—Shape and layout
    • H05K2201/09818—Shape or layout details not covered by a single group of H05K2201/09009 - H05K2201/09809
    • H05K2201/09918—Optically detected marks used for aligning tool relative to the PCB, e.g. for mounting of components
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K3/00—Apparatus or processes for manufacturing printed circuits
    • H05K3/0008—Apparatus or processes for manufacturing printed circuits for aligning or positioning of tools relative to the circuit board
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K3/00—Apparatus or processes for manufacturing printed circuits
    • H05K3/0011—Working of insulating substrates or insulating layers
    • H05K3/0044—Mechanical working of the substrate, e.g. drilling or punching
    • H05K3/0047—Drilling of holes

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Microelectronics & Electronic Packaging (AREA)
GB1446971A 1970-06-12 1971-05-12 Punching machines for sheet material Expired GB1360791A (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
GB1446971A GB1360791A (en) 1970-06-12 1971-05-12 Punching machines for sheet material
FR7121339A FR2097868A5 (en) 1970-06-12 1971-06-11

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB2861170 1970-06-12
GB1446971A GB1360791A (en) 1970-06-12 1971-05-12 Punching machines for sheet material

Publications (1)

Publication Number Publication Date
GB1360791A true GB1360791A (en) 1974-07-24

Family

ID=26250590

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1446971A Expired GB1360791A (en) 1970-06-12 1971-05-12 Punching machines for sheet material

Country Status (2)

Country Link
FR (1) FR2097868A5 (en)
GB (1) GB1360791A (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0195831A (en) * 1987-10-07 1989-04-13 Nikka Eng Kk Center punching device

Also Published As

Publication number Publication date
FR2097868A5 (en) 1972-03-03

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Legal Events

Date Code Title Description
PS Patent sealed
PLNP Patent lapsed through nonpayment of renewal fees