CH397231A - Process for the production of lightweight molded parts with a specific weight of 0.2-0.9 g / cm3 from foamable plastics - Google Patents

Process for the production of lightweight molded parts with a specific weight of 0.2-0.9 g / cm3 from foamable plastics

Info

Publication number
CH397231A
CH397231A CH942162A CH942162A CH397231A CH 397231 A CH397231 A CH 397231A CH 942162 A CH942162 A CH 942162A CH 942162 A CH942162 A CH 942162A CH 397231 A CH397231 A CH 397231A
Authority
CH
Switzerland
Prior art keywords
production
molded parts
specific weight
lightweight molded
foamable plastics
Prior art date
Application number
CH942162A
Other languages
German (de)
Inventor
Moroni Rolf
Kisteneich Peter
Original Assignee
Collo Rheincollodium Koeln Gmb
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 Collo Rheincollodium Koeln Gmb filed Critical Collo Rheincollodium Koeln Gmb
Publication of CH397231A publication Critical patent/CH397231A/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
    • B29C44/00—Shaping by internal pressure generated in the material, e.g. swelling or foaming ; Producing porous or cellular expanded plastics articles
    • B29C44/02—Shaping by internal pressure generated in the material, e.g. swelling or foaming ; Producing porous or cellular expanded plastics articles for articles of definite length, i.e. discrete articles
    • B29C44/04—Shaping by internal pressure generated in the material, e.g. swelling or foaming ; Producing porous or cellular expanded plastics articles for articles of definite length, i.e. discrete articles consisting of at least two parts of chemically or physically different materials, e.g. having different densities
    • B29C44/0415—Shaping by internal pressure generated in the material, e.g. swelling or foaming ; Producing porous or cellular expanded plastics articles for articles of definite length, i.e. discrete articles consisting of at least two parts of chemically or physically different materials, e.g. having different densities by regulating the pressure of the material during or after filling of the mould, e.g. by local venting
    • 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
    • B29C70/00—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts
    • B29C70/04—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts comprising reinforcements only, e.g. self-reinforcing plastics
    • B29C70/28—Shaping operations therefor
    • B29C70/40—Shaping or impregnating by compression not applied
    • B29C70/42—Shaping or impregnating by compression not applied for producing articles of definite length, i.e. discrete articles
    • B29C70/44—Shaping or impregnating by compression not applied for producing articles of definite length, i.e. discrete articles using isostatic pressure, e.g. pressure difference-moulding, vacuum bag-moulding, autoclave-moulding or expanding rubber-moulding
    • 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
    • B29C70/00—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts
    • B29C70/04—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts comprising reinforcements only, e.g. self-reinforcing plastics
    • B29C70/28—Shaping operations therefor
    • B29C70/40—Shaping or impregnating by compression not applied
    • B29C70/42—Shaping or impregnating by compression not applied for producing articles of definite length, i.e. discrete articles
    • B29C70/46—Shaping or impregnating by compression not applied for producing articles of definite length, i.e. discrete articles using matched moulds, e.g. for deforming sheet moulding compounds [SMC] or prepregs
    • B29C70/467—Shaping or impregnating by compression not applied for producing articles of definite length, i.e. discrete articles using matched moulds, e.g. for deforming sheet moulding compounds [SMC] or prepregs and impregnating the reinforcements during mould closing
    • 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
    • B29C37/00—Component parts, details, accessories or auxiliary operations, not covered by group B29C33/00 or B29C35/00
    • B29C37/005—Compensating volume or shape change during moulding, in general
    • 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
    • B29C43/00—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor
    • B29C43/02—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor of articles of definite length, i.e. discrete articles
    • B29C43/10—Isostatic pressing, i.e. using non-rigid pressure-exerting members against rigid parts or dies
    • B29C43/12—Isostatic pressing, i.e. using non-rigid pressure-exerting members against rigid parts or dies using bags surrounding the moulding material or using membranes contacting the 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
    • B29K2105/25—Solid
    • B29K2105/253—Preform
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
    • B29L2007/00—Flat articles, e.g. films or sheets

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Composite Materials (AREA)
  • Mechanical Engineering (AREA)
  • Casting Or Compression Moulding Of Plastics Or The Like (AREA)
  • Manufacture Of Porous Articles, And Recovery And Treatment Of Waste Products (AREA)
  • Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
CH942162A 1961-09-01 1962-08-07 Process for the production of lightweight molded parts with a specific weight of 0.2-0.9 g / cm3 from foamable plastics CH397231A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE1961C0024982 DE1245102B (en) 1961-09-01 1961-09-01 Process for the production of lightweight molded parts from hardenable plastic foams

Publications (1)

Publication Number Publication Date
CH397231A true CH397231A (en) 1965-08-15

Family

ID=7017779

Family Applications (1)

Application Number Title Priority Date Filing Date
CH942162A CH397231A (en) 1961-09-01 1962-08-07 Process for the production of lightweight molded parts with a specific weight of 0.2-0.9 g / cm3 from foamable plastics

Country Status (6)

Country Link
BE (1) BE621153A (en)
CH (1) CH397231A (en)
DE (1) DE1245102B (en)
GB (1) GB1009068A (en)
LU (1) LU42177A1 (en)
NL (1) NL282502A (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3506600A (en) * 1968-11-29 1970-04-14 Olin Mathieson Crush-before-curing process for producing densified polyurethane foam
GB8514674D0 (en) * 1985-06-11 1985-07-10 Leigh H W Flexible foams
GB2204235B (en) * 1987-04-29 1990-10-03 Henderson S Federal Spring Wor Vandal resistant seat
GB8713038D0 (en) * 1987-06-03 1987-07-08 Heyday Insulation Ltd Vehicle wheel box
JP2020152091A (en) * 2018-06-19 2020-09-24 旭化成株式会社 Molded product manufacturing method, molded product, and resin molding mold

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE626942C (en) * 1933-10-14 1936-03-05 Int Latex Processes Ltd Process for the production of artificial sponge in the form of plates
US2706311A (en) * 1951-05-04 1955-04-19 Goodyear Tire & Rubber Process for preparing foamed structures
CH329734A (en) * 1953-09-23 1958-05-15 Spumalit Anstalt Process for the production of bodies from plastic foam and bodies produced therefrom
AT190684B (en) * 1953-09-23 1957-07-10 Cogepa Etablissement Commercia Process for the production of bodies from urea-formaldehyde foam with a fine foam structure
DE1028323B (en) 1953-11-30 1958-04-17 Metzeler Gummiwerke A G Process for the production of molded articles
DE940787C (en) * 1954-09-03 1956-03-29 Bayer Ag Floating body made of polyurethane foam

Also Published As

Publication number Publication date
LU42177A1 (en) 1962-10-06
DE1245102B (en) 1967-07-20
BE621153A (en)
NL282502A (en)
GB1009068A (en) 1965-11-03

Similar Documents

Publication Publication Date Title
AT290108B (en) Device for the continuous production of plastic foams
CH448529A (en) Process for the production of fine porous plastics
AT249989B (en) Process for the production of moldings from particles of a foamed thermoplastic material
CH429139A (en) Process for the production of shaped objects from a thermoplastic mass with an essentially closed cell structure
CH424258A (en) Process for the production of plastics
CH389887A (en) Process for the production of hollow plastic bodies with a continuous channel
CH500830A (en) Injection mold for the production of objects from foamable material
AT266428B (en) Device for the production of plastic molded parts
CH397231A (en) Process for the production of lightweight molded parts with a specific weight of 0.2-0.9 g / cm3 from foamable plastics
CH534187A (en) Process for the production of foams from thermoplastics
LU44373A1 (en) Process for the production of dry, storable plastic molding compounds
CH395725A (en) Process for the production of fibrous materials with a high content of thermoplastics
AT248678B (en) Process for the production of moldings from thermoplastics
AT238691B (en) Process for the production of precisely dimensioned carbon or graphite molded bodies made up of fibers
CH425233A (en) Process for the production of a stable latex from copolymers
AT253219B (en) Process for the production of new plastics
AT247610B (en) Process for the production of plastics with a certain refractive power
DE1241975B (en) Process for the production of foamable molding compounds from alkenyl aromatic polymers
CH468878A (en) Process for the production of specifically light molded parts with densities of 0.05-0.2-0.9 g / cm3 from plastic foams
CH416081A (en) Process for the production of molded, foamed plastic
AT250017B (en) Process for the production of, optionally foamed, plastics from polyisocyanates and polyesters
CH434554A (en) Process for the production of colored plastic structures
CH374481A (en) Mold for the production of plastic foams under pressure
CH532464A (en) Process for the production of molded parts from thermoplastics
CH417055A (en) Process for the production of moldings with a core made of foamed plastic and a hard outer casing on all sides