Stock material or miscellaneous articles – Pile or nap type surface or component – Interlaminar
Reexamination Certificate
1997-10-06
2002-04-02
Juska, Cheryl A. (Department: 1771)
Stock material or miscellaneous articles
Pile or nap type surface or component
Interlaminar
C428S088000, C428S090000, C428S095000, C428S047000, C428S048000, C428S054000, C428S055000, C428S056000, C428S058000, C428S062000, C428S082000, C052S390000, C052S391000, C156S071000, C156S304700
Reexamination Certificate
active
06365258
ABSTRACT:
STATE OF THE ART
At floor laying glue is frequently used to fix floor mats to the underlay, which constitutes a health problem in connection with the floor laying and a period of time thereafter, and causes much work in connection with relaying of mats, since the glue frequently remains with portions of the floor mat or conveys portions of the floor underlay at the removal of the mat. For instance when laminate floors are layed frequently an underlay in the form of grey-rag-board or a board with cork scraps or a thin cellular plastic material is used in order to even roughness in the underlay and give a less rigid underlay which gives some elasticity, sound damping and insulation.
TECHNICAL PROBLEM
The problem that is solved by the present invention is to eliminate the need of glueing floor material and to provide a floor underlay that gives smoothing out, noise suppression and insulation as well as a fixing underlay for various floor materials so that these can be laid in larger or smaller portions and remain on site but simply can be adjusted required or being changed.
PRIOR ART
In connection with gymnastics mats and the like, separated into several smaller sections, fibre flock has been used on the undersides of the mats and on an underlay in order to make the mats to remain on site during exercises and at intervals be able to be removed, which is evident from DE A1 24 27 712. However, in this document nothing is disclosed that gives an indication about using corresponding method to eliminate glueing in connection with a durable laying of floor material of hard or semi-solid type in order to form a regular flooring.
REFERENCES:
patent: 3014829 (1961-12-01), Curtain
patent: 3528874 (1970-09-01), Spencer
patent: 3533892 (1970-10-01), Kantorowicz
patent: 3583890 (1971-06-01), Kolckmann
patent: 3961116 (1976-06-01), Klein
patent: 4076878 (1978-02-01), Norby
patent: 4404243 (1983-09-01), Terpay
patent: 4482593 (1984-11-01), Sagel et al.
patent: 4515845 (1985-05-01), Annis
patent: 4587149 (1986-05-01), Murachi
patent: 4588629 (1986-05-01), Taylor
patent: 4721643 (1988-01-01), Harayama et al.
patent: 4754589 (1988-07-01), Leth
patent: 4762741 (1988-08-01), Hedley
patent: 5061539 (1991-10-01), McDowell et al.
patent: 5194308 (1993-03-01), Chang
patent: 5238721 (1993-08-01), Nakazawa
patent: 5403638 (1995-04-01), Yanagizawa et al.
patent: 5418027 (1995-05-01), Conboy
patent: 5941047 (1999-08-01), Johansson
patent: 6029416 (2000-02-01), Andersson
patent: 24 27 712 (1975-12-01), None
patent: 333 685 (1989-09-01), None
patent: 06-42063 (1994-02-01), None
patent: WO 96/18782 (1996-06-01), None
patent: WO 97/08405 (1997-03-01), None
Translation of DT 24 27 712 to Woog, Dec. 18, 1975.
Flooron Aktiebolag
Juska Cheryl A.
McDonnell & Boehnen Hulbert & Berghoff
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