GB2464756B - Improvements in or relating to punches or presses - Google Patents

Improvements in or relating to punches or presses

Info

Publication number
GB2464756B
GB2464756B GB0819742.8A GB0819742A GB2464756B GB 2464756 B GB2464756 B GB 2464756B GB 0819742 A GB0819742 A GB 0819742A GB 2464756 B GB2464756 B GB 2464756B
Authority
GB
United Kingdom
Prior art keywords
punches
presses
relating
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 - Fee Related
Application number
GB0819742.8A
Other versions
GB0819742D0 (en
GB2464756A (en
Inventor
Linval Rodney
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 GB0819742.8A priority Critical patent/GB2464756B/en
Publication of GB0819742D0 publication Critical patent/GB0819742D0/en
Publication of GB2464756A publication Critical patent/GB2464756A/en
Application granted granted Critical
Publication of GB2464756B publication Critical patent/GB2464756B/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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
    • B21D28/002—Drive of the tools
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B11/00—Servomotor systems without provision for follow-up action; Circuits therefor
    • F15B11/02—Systems essentially incorporating special features for controlling the speed or actuating force of an output member
    • F15B11/028—Systems essentially incorporating special features for controlling the speed or actuating force of an output member for controlling the actuating force
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B11/00—Servomotor systems without provision for follow-up action; Circuits therefor
    • F15B11/02—Systems essentially incorporating special features for controlling the speed or actuating force of an output member
    • F15B11/028—Systems essentially incorporating special features for controlling the speed or actuating force of an output member for controlling the actuating force
    • F15B11/032—Systems essentially incorporating special features for controlling the speed or actuating force of an output member for controlling the actuating force by means of fluid-pressure converters
    • F15B11/0325—Systems essentially incorporating special features for controlling the speed or actuating force of an output member for controlling the actuating force by means of fluid-pressure converters the fluid-pressure converter increasing the working force after an approach stroke
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B15/00—Fluid-actuated devices for displacing a member from one position to another; Gearing associated therewith
    • F15B15/08—Characterised by the construction of the motor unit
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B15/00—Fluid-actuated devices for displacing a member from one position to another; Gearing associated therewith
    • F15B15/08—Characterised by the construction of the motor unit
    • F15B15/14—Characterised by the construction of the motor unit of the straight-cylinder type
    • F15B15/1423—Component parts; Constructional details
    • F15B15/1447—Pistons; Piston to piston rod assemblies

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • General Engineering & Computer Science (AREA)
  • Press Drives And Press Lines (AREA)
GB0819742.8A 2008-10-28 2008-10-28 Improvements in or relating to punches or presses Expired - Fee Related GB2464756B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB0819742.8A GB2464756B (en) 2008-10-28 2008-10-28 Improvements in or relating to punches or presses

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB0819742.8A GB2464756B (en) 2008-10-28 2008-10-28 Improvements in or relating to punches or presses

Publications (3)

Publication Number Publication Date
GB0819742D0 GB0819742D0 (en) 2008-12-03
GB2464756A GB2464756A (en) 2010-05-05
GB2464756B true GB2464756B (en) 2013-06-05

Family

ID=40133941

Family Applications (1)

Application Number Title Priority Date Filing Date
GB0819742.8A Expired - Fee Related GB2464756B (en) 2008-10-28 2008-10-28 Improvements in or relating to punches or presses

Country Status (1)

Country Link
GB (1) GB2464756B (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108757598B (en) * 2018-07-02 2024-08-09 山东大未来机械装备有限公司 Pressurizing cylinder

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0251796A2 (en) * 1986-06-27 1988-01-07 Rodney Linval Improvements in or relating to punches and presses
EP0870114A2 (en) * 1995-05-19 1998-10-14 Strömsholmen AB Arrangement in a pressing tool for sheet metal forming
EP1025922A1 (en) * 1999-02-05 2000-08-09 Strömsholmen AB Hydraulic arrangement for performing a secondary operation in a pressing tool for sheet metal forming

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0251796A2 (en) * 1986-06-27 1988-01-07 Rodney Linval Improvements in or relating to punches and presses
EP0870114A2 (en) * 1995-05-19 1998-10-14 Strömsholmen AB Arrangement in a pressing tool for sheet metal forming
EP1025922A1 (en) * 1999-02-05 2000-08-09 Strömsholmen AB Hydraulic arrangement for performing a secondary operation in a pressing tool for sheet metal forming

Also Published As

Publication number Publication date
GB0819742D0 (en) 2008-12-03
GB2464756A (en) 2010-05-05

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee

Effective date: 20130905

S28 Restoration of ceased patents (sect. 28/pat. act 1977)

Free format text: APPLICATION FILED

S28 Restoration of ceased patents (sect. 28/pat. act 1977)

Free format text: RESTORATION ALLOWED

Effective date: 20150623

PCNP Patent ceased through non-payment of renewal fee

Effective date: 20151028