[go: up one dir, main page]

Zwolinski, 1972 - Google Patents

Molded Urethane Foam for Automotive Seating

Zwolinski, 1972

Document ID
3519398647781705654
Author
Zwolinski L
Publication year

External Links

Snippet

Comfort, styling, and durability of automotive seating is largely due to the excellent performance of flexible urethane foam cushioning elements. This paper reviews the production and properties of current molded urethane foam cushioning, and the total …
Continue reading at www.sae.org (other versions)

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, foaming ; Producing porous or cellular expanded plastics articles
    • B29C44/02—Shaping by internal pressure generated in the material, e.g. swelling, 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, 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
    • B29C44/0461—Shaping by internal pressure generated in the material, e.g. swelling, 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 having different chemical compositions in different places, e.g. having different concentrations of foaming agent, feeding one composition after the other
    • B29C44/0469—Shaping by internal pressure generated in the material, e.g. swelling, 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 having different chemical compositions in different places, e.g. having different concentrations of foaming agent, feeding one composition after the other provided with physical separators between the different materials, e.g. separating layers, mould walls
    • 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, foaming ; Producing porous or cellular expanded plastics articles
    • B29C44/02—Shaping by internal pressure generated in the material, e.g. swelling, foaming ; Producing porous or cellular expanded plastics articles for articles of definite length, i.e. discrete articles
    • B29C44/12—Incorporating or moulding on preformed parts, e.g. inserts, reinforcements
    • B29C44/1209—Incorporating or moulding on preformed parts, e.g. inserts, reinforcements by impregnating a preformed part, e.g. a porous lining
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60N—VEHICLE PASSENGER ACCOMMODATION NOT OTHERWISE PROVIDED FOR
    • B60N2/00—Seats specially adapted for vehicles
    • B60N2/44—Details or parts not otherwise provided for
    • B60N2/70—Upholstery, e.g. upholstery springs
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60N—VEHICLE PASSENGER ACCOMMODATION NOT OTHERWISE PROVIDED FOR
    • B60N2/00—Seats specially adapted for vehicles
    • B60N2/44—Details or parts not otherwise provided for
    • B60N2/4415—Hydro-pneumatic adjustments of the shape
    • 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, foaming ; Producing porous or cellular expanded plastics articles
    • B29C44/34—Auxiliary operations
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60N—VEHICLE PASSENGER ACCOMMODATION NOT OTHERWISE PROVIDED FOR
    • B60N2/00—Seats specially adapted for vehicles
    • B60N2/24—Seats specially adapted for vehicles for particular purposes or particular vehicles
    • B60N2/42—Seats specially adapted for vehicles for particular purposes or particular vehicles the seat constructed to protect the occupant from the effect of abnormal g-forces, e.g. crash or safety seats
    • B60N2/4249—Seats specially adapted for vehicles for particular purposes or particular vehicles the seat constructed to protect the occupant from the effect of abnormal g-forces, e.g. crash or safety seats fixed structures, i.e. where neither the seat nor a part thereof are displaced during a crash

Similar Documents

Publication Publication Date Title
US3691569A (en) Cushion
KR100700230B1 (en) Molded product made of polyurethane and its manufacturing method
US5786394A (en) Durable, energy-absorptive EPP/PUR structural composites
US3534129A (en) Seat construction and the like
US3874731A (en) Injection molded seating
US6419863B1 (en) Method of moulding fillings and seats comprising such fillings
US5989699A (en) Foam composite material comprising a first foam having an uncontoured surface, and a second, different foam fixed to the first foam at its uncontoured surface
US4670925A (en) Process for the production of a cushion for a seat or the back for a motor vehicle or the like comprising two layers of foamed material with different properties and cushion prepared by the process
CN105361524B (en) Cushion
US4965029A (en) Process for preparing polyurethane foams having zones of differing hardness
GB2197659A (en) Process for preparing polyurethane foams having zones of differing hardness
CN113646209A (en) a vehicle seat
CN100398037C (en) Seat pad for vehicle
EP3274214B1 (en) Vehicular seat element
Zwolinski Molded Urethane Foam for Automotive Seating
KR101856868B1 (en) A chair seat
Zwolinski et al. Molding castable urethane polymers
Sato et al. Trends in Flexible Molded Polyurethane Foams in the Japanese Automobile Industry
Ward The Automotive Market for Flexible Foams
JPH0628866B2 (en) Different hardness urethane pad manufacturing method
Haggerty et al. All-MDI flexible foam—Advantages in single and dual hardness automotive seat molding
JP2000070565A (en) Manufacturing method of seat pad
Pham et al. MDI Based Flexible Foam: A Status Report on World Developments
JPH0115288B2 (en)
Bukowski et al. New methods for the production of comfortable car seats