ES331191A1 - Improvements in safety devices in a machine to mold by injection synthetic materials. (Machine-translation by Google Translate, not legally binding) - Google Patents

Improvements in safety devices in a machine to mold by injection synthetic materials. (Machine-translation by Google Translate, not legally binding)

Info

Publication number
ES331191A1
ES331191A1 ES0331191A ES331191A ES331191A1 ES 331191 A1 ES331191 A1 ES 331191A1 ES 0331191 A ES0331191 A ES 0331191A ES 331191 A ES331191 A ES 331191A ES 331191 A1 ES331191 A1 ES 331191A1
Authority
ES
Spain
Prior art keywords
mold
machine
mold plate
translation
legally binding
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
ES0331191A
Other languages
Spanish (es)
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.)
Netstal Maschinen AG
Original Assignee
Maschinenfabrik und Giesserei Netstal AG
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 Maschinenfabrik und Giesserei Netstal AG filed Critical Maschinenfabrik und Giesserei Netstal AG
Publication of ES331191A1 publication Critical patent/ES331191A1/en
Expired legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B30—PRESSES
    • B30B—PRESSES IN GENERAL
    • B30B15/00—Details of, or accessories for, presses; Auxiliary measures in connection with pressing
    • B30B15/28—Arrangements for preventing distortion of, or damage to, presses or parts thereof
    • 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
    • B29C45/84—Safety devices
    • B29C45/844—Preventing damage caused by obstructions or foreign matter caught between mould halves during mould closing, e.g. moulded parts or runners
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B30—PRESSES
    • B30B—PRESSES IN GENERAL
    • B30B15/00—Details of, or accessories for, presses; Auxiliary measures in connection with pressing
    • B30B15/28—Arrangements for preventing distortion of, or damage to, presses or parts thereof
    • B30B15/285—Arrangements for preventing distortion of, or damage to, presses or parts thereof preventing a full press stroke if there is an obstruction in the working area

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Moulds For Moulding Plastics Or The Like (AREA)
  • Injection Moulding Of Plastics Or The Like (AREA)

Abstract

Improvements in safety devices in a machine for molding by inspection synthetic materials, provided with electrical connection means that, when the mold is not perfectly closed, interrupts the circuit of the control current of the drive of the plates of the mold, characterized in that a first switch is provided in the yoke supporting the second mold plate, which is actuated by a connection member provided in this second mold plate, while a second switch is arranged in the support plate of the first mold plate , which is actuated by a connection member provided in this first mold plate, the first of the switches opening, which is closed when the mold is open, when the second mold plate during the working path of the first mold plate opens. driven is dragged by the latter in a previously determined path, while the second switch, which is open when the mold is likewise, closes the first mold plate has traveled a predetermined path of its working path, and means are provided that interrupt the circuit of the control current when both switches are open for a period of time previously determined. (Machine-translation by Google Translate, not legally binding)
ES0331191A 1965-09-14 1966-09-14 Improvements in safety devices in a machine to mold by injection synthetic materials. (Machine-translation by Google Translate, not legally binding) Expired ES331191A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH1283165A CH431052A (en) 1965-09-14 1965-09-14 Safety device on plastic injection molding machine

Publications (1)

Publication Number Publication Date
ES331191A1 true ES331191A1 (en) 1967-07-01

Family

ID=4386766

Family Applications (1)

Application Number Title Priority Date Filing Date
ES0331191A Expired ES331191A1 (en) 1965-09-14 1966-09-14 Improvements in safety devices in a machine to mold by injection synthetic materials. (Machine-translation by Google Translate, not legally binding)

Country Status (4)

Country Link
CH (1) CH431052A (en)
DE (1) DE1554791B2 (en)
ES (1) ES331191A1 (en)
GB (1) GB1127430A (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102248704A (en) * 2011-06-08 2011-11-23 天津市天锻压力机有限公司 Numerical control frame type over travel protective device for main cylinder of hydraulic machine

Also Published As

Publication number Publication date
CH431052A (en) 1967-02-28
GB1127430A (en) 1968-09-18
DE1554791A1 (en) 1972-03-16
DE1554791B2 (en) 1972-03-16

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