GB784933A - Improvements in and relating to control valves for hydraulic presses - Google Patents

Improvements in and relating to control valves for hydraulic presses

Info

Publication number
GB784933A
GB784933A GB1611/53A GB161153A GB784933A GB 784933 A GB784933 A GB 784933A GB 1611/53 A GB1611/53 A GB 1611/53A GB 161153 A GB161153 A GB 161153A GB 784933 A GB784933 A GB 784933A
Authority
GB
United Kingdom
Prior art keywords
forging
relating
group xxix
control valves
presses
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
GB1611/53A
Inventor
John Maurice Towler
Frank Hathorn Towler
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.)
Electraulic Presses Ltd
Original Assignee
Electraulic Presses 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 Electraulic Presses Ltd filed Critical Electraulic Presses Ltd
Publication of GB784933A publication Critical patent/GB784933A/en
Expired legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21J—FORGING; HAMMERING; PRESSING METAL; RIVETING; FORGE FURNACES
    • B21J9/00—Forging presses
    • B21J9/10—Drives for forging presses
    • B21J9/12—Drives for forging presses operated by hydraulic or liquid pressure
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21J—FORGING; HAMMERING; PRESSING METAL; RIVETING; FORGE FURNACES
    • B21J9/00—Forging presses
    • B21J9/10—Drives for forging presses
    • B21J9/20—Control devices specially adapted to forging presses not restricted to one of the preceding subgroups
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B30—PRESSES
    • B30B—PRESSES IN GENERAL
    • B30B15/00—Details of, or accessories for, presses; Auxiliary measures in connection with pressing
    • B30B15/16—Control arrangements for fluid-driven presses

Abstract

784,933. Hydraulic forging presses. ELECTRAULIC PRESSES, Ltd. Jan. 1, 1954 [Jan. 20, 1953], No. 1611/53. Drawings to Specification. Class 83 (4). [Also in Group XXIX] An hydraulic control system (see Group XXIX) for a forging press provides the following operations: (a) rapid return of press ram, (b) arresting of ram at any part of its stroke, (c) forging stroke, (d) a series of planishing strokes of predetermined length with a force proportional to that applied to an operating lever by an operator. Specification 732,775 is referred to and Specification 773,142, [both in Group XXIX], is referred to in the Provisional Specification.
GB1611/53A 1953-01-20 1953-01-20 Improvements in and relating to control valves for hydraulic presses Expired GB784933A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB337075X 1953-01-20

Publications (1)

Publication Number Publication Date
GB784933A true GB784933A (en) 1957-10-23

Family

ID=10356418

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1611/53A Expired GB784933A (en) 1953-01-20 1953-01-20 Improvements in and relating to control valves for hydraulic presses

Country Status (4)

Country Link
BE (1) BE525836A (en)
CH (1) CH337075A (en)
DE (1) DE1187136B (en)
GB (1) GB784933A (en)

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1899678A (en) * 1930-04-11 1933-02-28 Hydraulic Press Mfg Co Hydraulic press
US2259781A (en) * 1935-04-29 1941-10-21 Hydraulic Press Corp Inc Hydraulic injection molding press
US2220798A (en) * 1935-10-01 1940-11-05 Baldwin Locomotive Works Power control system for hydraulic presses
US2366388A (en) * 1942-04-29 1945-01-02 Hydraulic Dev Corp Inc Multiple stage pumping system
US2408312A (en) * 1943-11-05 1946-09-24 Hydraulic Dev Corp Inc Press control

Also Published As

Publication number Publication date
BE525836A (en)
CH337075A (en) 1959-03-15
DE1187136B (en) 1965-02-11

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