CA1022715A - Method of molding structural foam folding slat structures - Google Patents

Method of molding structural foam folding slat structures

Info

Publication number
CA1022715A
CA1022715A CA208,479A CA208479A CA1022715A CA 1022715 A CA1022715 A CA 1022715A CA 208479 A CA208479 A CA 208479A CA 1022715 A CA1022715 A CA 1022715A
Authority
CA
Canada
Prior art keywords
structural foam
molding structural
slat structures
folding slat
foam folding
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
CA208,479A
Other languages
French (fr)
Other versions
CA208479S (en
Inventor
Andre Klein
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Application granted granted Critical
Publication of CA1022715A publication Critical patent/CA1022715A/en
Expired legal-status Critical Current

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
    • 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
    • B29C43/021—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor of articles of definite length, i.e. discrete articles characterised by the shape of the surface
    • 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
    • B29C44/10—Applying counter-pressure during expanding
    • 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
    • B29C53/00—Shaping by bending, folding, twisting, straightening or flattening; Apparatus therefor
    • B29C53/02—Bending or folding
    • B29C53/04—Bending or folding of plates or sheets
    • B29C53/06—Forming folding lines by pressing or scoring
    • 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
    • B29C37/0053—Moulding articles characterised by the shape of the surface, e.g. ribs, high polish
    • B29C37/0057—Moulding single grooves or ribs, e.g. tear lines
    • 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
    • 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
    • B29L2031/00—Other particular articles
    • B29L2031/724—Doors
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S264/00—Plastic and nonmetallic article shaping or treating: processes
    • Y10S264/83—Injection molding of polyolefin-type foam
CA208,479A 1973-09-05 1974-09-04 Method of molding structural foam folding slat structures Expired CA1022715A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
ZA00736098A ZA736098B (en) 1973-09-05 1973-09-05 Roller doors and the like

Publications (1)

Publication Number Publication Date
CA1022715A true CA1022715A (en) 1977-12-20

Family

ID=25566808

Family Applications (1)

Application Number Title Priority Date Filing Date
CA208,479A Expired CA1022715A (en) 1973-09-05 1974-09-04 Method of molding structural foam folding slat structures

Country Status (9)

Country Link
US (1) US3953560A (en)
JP (1) JPS5748381B2 (en)
BR (1) BR7407390A (en)
CA (1) CA1022715A (en)
DE (1) DE2441792C3 (en)
FR (1) FR2242222B1 (en)
GB (1) GB1476967A (en)
IL (1) IL45568A (en)
ZA (1) ZA736098B (en)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4073610A (en) * 1976-02-05 1978-02-14 Cox Bernard K Apparatus for producing a foldable plastic strip
CA1072285A (en) * 1977-01-14 1980-02-26 Edward A. Ruhl Unitary plastic hinged article and method of making
US4304810A (en) * 1980-07-17 1981-12-08 Arco Polymers, Inc. Apparatus for and method of making foam articles having densified reinforcing regions
DE3271536D1 (en) * 1981-08-27 1986-07-10 Solvay Werke Gmbh Method of and apparatus for manufacturing moulded plastics pieces or articles
EP0282885A3 (en) * 1987-03-19 1991-08-28 BASF Aktiengesellschaft Method and apparatus for producing moulded foam articles having a solidified outer skin
US4793809A (en) * 1987-05-21 1988-12-27 Myron International, Inc. Fiber filled dental porcelain
EP0295587A3 (en) * 1987-06-16 1989-03-29 André Klein Improvements in or relating to structures comprising longitudinally juxtaposed slats
FR2635650B1 (en) * 1988-08-30 1992-03-13 Thuasne & Cie ARTICLE FOR LOCAL BODY PROTECTION, ESPECIALLY HUMAN, AGAINST SHOCK
GB0214459D0 (en) * 2002-06-21 2002-07-31 K Pow Ltd Moulded-plastics articles

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL113523C (en) * 1955-02-03 1900-01-01
US2978020A (en) * 1958-12-17 1961-04-04 Wood Specialty Products Inc Multiple slat type folding door
US3222437A (en) * 1962-06-18 1965-12-07 Hercules Powder Co Ltd Process for simultaneously molding and expanding stereoregular polypropylene to form a hinge
US3192099A (en) * 1963-01-03 1965-06-29 Miller Herman Inc Furniture panel
US3268636A (en) * 1963-07-01 1966-08-23 Union Carbide Corp Method and apparatus for injection molding foamed plastic articles
US3454694A (en) * 1966-03-03 1969-07-08 Eastman Kodak Co Method of forming plastic book backs
US3447199A (en) * 1966-04-08 1969-06-03 Hercules Inc Foamed plastic hinge and its manufacture
US3436446A (en) * 1966-06-08 1969-04-01 Union Carbide Corp Molding of foamed thermoplastic articles
US3767742A (en) * 1967-07-26 1973-10-23 Ici Ltd Process of injection moulding a hinged article having foam cored members joined by an unfoamed hinge
DE1779504B2 (en) * 1968-08-21 1972-05-31 Eckert & Ziegler Gmbh, 8832 Weissenburg METHOD FOR PROCESSING HEAT-RESISTANT PLASTICS, IN PARTICULAR THERMAL PLASTICS FROM THE AMINOPLASTIC FAMILY ON INJECTION MOLDING MACHINES
JPS5147801Y2 (en) * 1972-04-13 1976-11-17

Also Published As

Publication number Publication date
JPS5051572A (en) 1975-05-08
BR7407390A (en) 1975-10-14
DE2441792A1 (en) 1975-03-13
ZA736098B (en) 1975-01-29
GB1476967A (en) 1977-06-16
FR2242222A1 (en) 1975-03-28
DE2441792C3 (en) 1978-04-13
DE2441792B2 (en) 1977-08-18
IL45568A0 (en) 1975-02-10
US3953560A (en) 1976-04-27
JPS5748381B2 (en) 1982-10-15
AU7281374A (en) 1976-03-04
IL45568A (en) 1977-12-30
FR2242222B1 (en) 1976-10-22

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