IT7919288A0 - IMPROVED METHOD AND APPARATUS FOR FORMING A LAYER OF URETHANE FOAM ON A REAR REINFORCEMENT OF A CARPET. - Google Patents

IMPROVED METHOD AND APPARATUS FOR FORMING A LAYER OF URETHANE FOAM ON A REAR REINFORCEMENT OF A CARPET.

Info

Publication number
IT7919288A0
IT7919288A0 IT7919288A IT1928879A IT7919288A0 IT 7919288 A0 IT7919288 A0 IT 7919288A0 IT 7919288 A IT7919288 A IT 7919288A IT 1928879 A IT1928879 A IT 1928879A IT 7919288 A0 IT7919288 A0 IT 7919288A0
Authority
IT
Italy
Prior art keywords
carpet
forming
layer
improved method
urethane foam
Prior art date
Application number
IT7919288A
Other languages
Italian (it)
Other versions
IT1110909B (en
Original Assignee
Tillotson John G
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 US05/872,341 external-priority patent/US4132817A/en
Application filed by Tillotson John G filed Critical Tillotson John G
Publication of IT7919288A0 publication Critical patent/IT7919288A0/en
Application granted granted Critical
Publication of IT1110909B publication Critical patent/IT1110909B/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
    • B29C41/00—Shaping by coating a mould, core or other substrate, i.e. by depositing material and stripping-off the shaped article; Apparatus therefor
    • B29C41/24—Shaping by coating a mould, core or other substrate, i.e. by depositing material and stripping-off the shaped article; Apparatus therefor for making articles of indefinite length
    • B29C41/28—Shaping by coating a mould, core or other substrate, i.e. by depositing material and stripping-off the shaped article; Apparatus therefor for making articles of indefinite length by depositing flowable material on an endless belt
    • 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
    • B29C44/20—Shaping by internal pressure generated in the material, e.g. swelling or foaming ; Producing porous or cellular expanded plastics articles for articles of indefinite length
    • B29C44/28—Expanding the moulding material on continuous moving surfaces without restricting the upwards growth of the foam
    • 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
    • B29C70/68—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts by incorporating or moulding on preformed parts, e.g. inserts or layers, e.g. foam blocks
    • 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
    • B29K2075/00—Use of PU, i.e. polyureas or polyurethanes or derivatives thereof, as moulding material
    • 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
    • B29L2031/732—Floor coverings
    • B29L2031/7324—Mats

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Composite Materials (AREA)
  • Laminated Bodies (AREA)
  • Carpets (AREA)
IT19288/79A 1978-01-25 1979-01-15 Forming foam urethane! cushion layer IT1110909B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US05/872,341 US4132817A (en) 1977-03-30 1978-01-25 Method for forming a layer of blown cellular urethane on a carpet backing

Publications (2)

Publication Number Publication Date
IT7919288A0 true IT7919288A0 (en) 1979-01-15
IT1110909B IT1110909B (en) 1986-01-13

Family

ID=25359384

Family Applications (1)

Application Number Title Priority Date Filing Date
IT19288/79A IT1110909B (en) 1978-01-25 1979-01-15 Forming foam urethane! cushion layer

Country Status (2)

Country Link
IT (1) IT1110909B (en)
SE (1) SE428186B (en)

Also Published As

Publication number Publication date
IT1110909B (en) 1986-01-13
SE428186B (en) 1983-06-13
SE7811713L (en) 1979-07-26

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