SE8702061D0 - COUPLING - Google Patents

COUPLING

Info

Publication number
SE8702061D0
SE8702061D0 SE8702061A SE8702061A SE8702061D0 SE 8702061 D0 SE8702061 D0 SE 8702061D0 SE 8702061 A SE8702061 A SE 8702061A SE 8702061 A SE8702061 A SE 8702061A SE 8702061 D0 SE8702061 D0 SE 8702061D0
Authority
SE
Sweden
Prior art keywords
coupling
coupling device
jaws
piston
engagement
Prior art date
Application number
SE8702061A
Other languages
Swedish (sv)
Other versions
SE8702061L (en
Inventor
Hans Muller
Original Assignee
Mueller Hans
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 Mueller Hans filed Critical Mueller Hans
Priority to SE8702061A priority Critical patent/SE8702061L/en
Publication of SE8702061D0 publication Critical patent/SE8702061D0/en
Priority to DE19883817109 priority patent/DE3817109A1/en
Publication of SE8702061L publication Critical patent/SE8702061L/en

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
    • B29C45/17—Component parts, details or accessories; Auxiliary operations
    • B29C45/1775—Connecting parts, e.g. injection screws, ejectors, to drive means

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Mechanical Engineering (AREA)
  • Earth Drilling (AREA)
  • Mounting, Exchange, And Manufacturing Of Dies (AREA)
  • Hydraulic Clutches, Magnetic Clutches, Fluid Clutches, And Fluid Joints (AREA)

Abstract

In the case of known coupling devices, releasing takes place with the aid of a sickle spanner (hooked wrench), which has to be held by hand, to be precise whenever the coupling returns with the hydraulically operating ejector mechanism. Owing to confined conditions, this action is very laborious, and there is a considerable risk of a working accident. The novel coupling device is intended to permit troublefree use with no risk of any working accident. The coupling device comprises a coupling pin (2), which can be connected to the injection mould and bears grooves (30), and a coupling housing (1), which can be connected to a machine and has a number of profiled jaws (10) for engagement with the coupling pin (2). Each of the jaws has in an opening (9) a sloping face for engagement with a conical face (28) of an annular piston (20), which is mounted movably in an annular space (39) in the coupling housing (39). The piston is sealed off from the space (39) and is actuated by means of pressure medium which acts on the piston depending on the intended action. For safety, a number of helical springs (29) are provided, which hold the jaws (10) in the closed position even if there is a loss in pressure. The coupling device has, furthermore, a connection part (16), which can move slightly for the purpose of centring perpendicularly with respect to the longitudinal axis of the coupling device. <IMAGE>
SE8702061A 1987-05-19 1987-05-19 COUPLING SE8702061L (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
SE8702061A SE8702061L (en) 1987-05-19 1987-05-19 COUPLING
DE19883817109 DE3817109A1 (en) 1987-05-19 1988-05-19 Coupling device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE8702061A SE8702061L (en) 1987-05-19 1987-05-19 COUPLING

Publications (2)

Publication Number Publication Date
SE8702061D0 true SE8702061D0 (en) 1987-05-19
SE8702061L SE8702061L (en) 1988-11-20

Family

ID=20368562

Family Applications (1)

Application Number Title Priority Date Filing Date
SE8702061A SE8702061L (en) 1987-05-19 1987-05-19 COUPLING

Country Status (2)

Country Link
DE (1) DE3817109A1 (en)
SE (1) SE8702061L (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2237767A (en) * 1989-11-09 1991-05-15 Cosgrove Tools Ltd Moulding machine ejector devices
EP0687540A1 (en) * 1994-06-17 1995-12-20 Stäubli GmbH Clamping device
EP1208937B1 (en) * 2000-11-17 2002-06-19 Johann Good Tensioned snap-on coupling
US6837700B2 (en) * 2002-10-11 2005-01-04 Tung-Jung Chen Mold article ejecting device used for an injection molding apparatus
DE102011012559B4 (en) * 2010-03-03 2013-12-05 Ernst Kähny Clutch for tools

Also Published As

Publication number Publication date
DE3817109A1 (en) 1988-12-22
SE8702061L (en) 1988-11-20

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Legal Events

Date Code Title Description
NAV Patent application has lapsed

Ref document number: 8702061-6

Effective date: 19921231