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Primary Examiner: Anderson, Philip
Assistant Examiner:
Attorney: Gil; Joseph C., Harsh; Gene

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Title: Method for the production of a foam cushion with a covering

Abstract: A foam cushion with a covering of an elastic textile sheet structure is produced in a vacuum deep-draw mould by holding the sheet structure down during the suction cycle with a hold-down plate, but allowing it to slip through locally.


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Inventors: Grune, Horst (Leichlingen, DT)
Knipp, Ulrich (Schildgen, DT)

Application Number: 403593
Filing Date: 1973-10-04
Publication_date: 1976-03-09
Assignee: Bayer Aktiengesellschaft (Leverkusen, DT)
Primary Class(es): 264/46.6 264/46.8, 264/257, 264/512, 264/553, 425/388, 425/817R
Other Classes:
US Patent Ref:
2240581May, 1941Seward et al.264/45.
3249486May, 1966Voisinet et al.264/45.
3258511Jun, 1966McGregor264/45.
3327029Jun, 1967Pincus et al.264/45.
3349153Oct, 1967Beck264/335.
3390214Jun, 1968Woods264/45.
3431331Mar, 1969Pincus et al.264/45.
3435102Mar, 1969Sullhofer264/45.
3505436Apr, 1970Krug et al.264/45.
3754064Aug, 1973Snelling et al.264/335.

Other Refs: 1,325,622
Aug, 1973UK
Other References: DeVries, Louis and Theo M. Herrmann, "German-English Technical and Engineering Dictionary," Second Edition, Completely Revised and Enlarged, New York, McGraw-Hill, c1966, pp. 521 and 858.