SE359482BSE390871ASE390871ASE359482BSE 359482 BSE359482 BSE 359482BSE 390871 ASE390871 ASE 390871ASE 390871 ASE390871 ASE 390871ASE 359482 BSE359482 BSE 359482B
Authority
SE
Sweden
Application number
SE390871A
Inventor
F Bielfeldt
Original Assignee
Krauss Maffei 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
Priority claimed from DE19702020054external-prioritypatent/DE2020054C3/de
Application filed by Krauss Maffei AgfiledCriticalKrauss Maffei Ag
Publication of SE359482BpublicationCriticalpatent/SE359482B/xx
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
B29C45/76—Measuring, controlling or regulating
B29C45/82—Hydraulic or pneumatic circuits
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
B29C44/00—Shaping by internal pressure generated in the material, e.g. swelling or foaming ; Producing porous or cellular expanded plastics articles
B29C44/34—Auxiliary operations
B29C44/36—Feeding the material to be shaped
B29C44/38—Feeding the material to be shaped into a closed space, i.e. to make articles of definite length
B29C44/42—Feeding the material to be shaped into a closed space, i.e. to make articles of definite length using pressure difference, e.g. by injection or by vacuum
B29C44/424—Details of machines
B29C44/425—Valve or nozzle constructions; Details of injection devices