CH305492A - Procédé pour la fabrication d'articles en caoutchouc spongieux, moule pour la mise en oeuvre de ce procédé, et article en caoutchouc spongieux obtenu par ce procédé.
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Procédé pour la fabrication d'articles en caoutchouc spongieux, moule pour la mise en oeuvre de ce procédé, et article en caoutchouc spongieux obtenu par ce procédé.
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Publication number
CH305492A
CH305492ACH305492DACH305492ACH 305492 ACH305492 ACH 305492ACH 305492D ACH305492D ACH 305492DACH 305492 ACH305492 ACH 305492A
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 PirellifiledCriticalPirelli
Publication of CH305492ApublicationCriticalpatent/CH305492A/fr
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
B29C33/00—Moulds or cores; Details thereof or accessories therefor
B29C33/42—Moulds or cores; Details thereof or accessories therefor characterised by the shape of the moulding surface, e.g. ribs or grooves
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
B29C44/35—Component parts; Details or accessories
B29C44/355—Characteristics of the foam, e.g. having particular surface properties or structure
B29C44/356—Characteristics of the foam, e.g. having particular surface properties or structure having a porous surface
B—PERFORMING OPERATIONS; TRANSPORTING
B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
B29K2007/00—Use of natural rubber as moulding material
B—PERFORMING OPERATIONS; TRANSPORTING
B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
B29K2105/00—Condition, form or state of moulded material or of the material to be shaped
B29K2105/04—Condition, form or state of moulded material or of the material to be shaped cellular or porous
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Engineering & Computer Science
(AREA)
Mechanical Engineering
(AREA)
CH305492D1951-06-181952-05-16Procédé pour la fabrication d'articles en caoutchouc spongieux, moule pour la mise en oeuvre de ce procédé, et article en caoutchouc spongieux obtenu par ce procédé.
CH305492A
(fr)
Procédé pour la fabrication d'articles en caoutchouc spongieux, moule pour la mise en oeuvre de ce procédé, et article en caoutchouc spongieux obtenu par ce procédé.
Procédé pour la fabrication d'articles en caoutchouc spongieux, moule pour la mise en oeuvre de ce procédé, et article en caoutchouc spongieux obtenu par ce procédé.
Procédé pour la fabrication d'objets en forme de bandes, en caoutchouc ou autres matières, moules pour la mise en oeuvre de ce procédé et objets obtenus suivant le procédé