Coating processes – With post-treatment of coating or coating material – Solid treating member or material contacts coating
Reexamination Certificate
1997-04-08
2001-03-13
Lusignan, Michael (Department: 1762)
Coating processes
With post-treatment of coating or coating material
Solid treating member or material contacts coating
C427S393600, C427S407100
Reexamination Certificate
active
06200638
ABSTRACT:
This invention relates to flooring surfaces, and in particular to a method of making a ready made mix of resilient flooring material that requires no mixing on the jobsight to use.
BACKGROUND AND PRIOR ART
Injuries have been known to occur on hard floors such as those found on children's playgrounds, running tracks and pool decks. The damage due to the injuries decreases when the hardened surfaces are padded and cushioned.
Previous processes for applying rubberized flooring has required plural products including chemicals, that must be purchased and delivered to a jobsight where the products must then be mixed in a special manner using special equipment such as mixers and plural laborers to apply the process. Thus, the process can be expensive, time consuming, and result in messy non uniform applications.
Examples of the prior art include U.S. Pat. Nos: 4,059,709 to Conger et al.; 4,240,852 to Gomberg et al.; 5,087,661 to Aoki et al.; 5,100,704 to Iwakura et al.; 5,405,674 to Wang et al.; 5,411,352 to Eren; 5,455,293 to Wood et al.; 5,458,953 to Wang et al.; 5,473,043 to Maki et al.; and 5,494,707 to Wang et al. None of the prior art patents overcome the problems above.
SUMMARY OF THE INVENTION
The first objective of the present invention is to provide a readily applicable resilient floor mixture that can be applied to a floor surface without additional onsite job mixing.
The second objective of the present invention is to provide a readily applicable resilient floor mixture that can be applied by as few as one installer onsite.
The third objective of the present invention is to provide a flooring for playgrounds to absorb the shock force of children playing on the flooring.
A preferred method of making a resilient flooring mixture for producing a shock absorbant floor includes: drying rubber to substantially remove moisture by heating it to approximately 212 F, mixing the dried rubber with a urethane type binder material a mixer, pouring the mixture into a bag or bucket, vacuum removing ambient air and moisture from the container, sealing the container, applying contents of the container to a hardened floor surface, wherein no other materials and components are used to form a shock absorbant resilient floor. The rubber is chosen from rubber granulars, rubber buffings, virgin dyed rubber and virgin black rubber.
A preferred method of applying the ready made mixture to a hard floor surface includes: pouring a pre-mixture of rubber and a binder product onto a stable floor surface, levelling the poured mixture to a selected depth, and curing the levelled mixture with water, natural humidity or rain, wherein no other materials and components are used to form a shock absorbant resilient floor. The pre-mixture of rubber and the binder product can have a top coat layer having a 5 to 1 dyed rubber component to urethane binder ratio and is approximately ½ inch thick. Another version of the pre-mixture of rubber and the binder product can have a top coat having a 5 to 1 dyed rubber to urethane binder ratio of ½ inch thick, and a bottom layer having an 8 to 1 buffing rubber to urethane binder ratio of approximately 1 and ½ inch thick. The mixtures can be used on stable floor surfaces such as gyms, basketball courts, volleyball courts, pool decks and the like. The dyed rubber can be colored to the desired color effect of the surface.
Further objects and advantages of this invention will be apparent from the following detailed description of a presently preferred embodiment which is illustrated schematically in the accompanying drawings.
REFERENCES:
patent: 4059709 (1977-11-01), Conger et al.
patent: 4240852 (1980-12-01), Gomberg et al.
patent: 5087661 (1992-02-01), Aoki et al.
patent: 5100704 (1992-03-01), Iwakura et al.
patent: 5405674 (1995-04-01), Wang et al.
patent: 5411352 (1995-05-01), Eren
patent: 5455293 (1995-10-01), Wood et al.
patent: 5458953 (1995-10-01), Wang et al.
patent: 5473043 (1995-12-01), Maki et al.
patent: 5494707 (1996-02-01), Wang et al.
patent: 5693714 (1997-12-01), Bauman et al.
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