[R] save print survfit object to data frame

[Ruud H. Koning]

Hello, I have estimated a survival model with six strata:

>model.b <-
survfit(Surv(time=start.tijd,time2=eind.tijd2,event=va)~strata(product.code)
,
 data=wu.wide)

I would like to save the output of 

>print(model.b,print.n="records",show.rmean=FALSE)

in a dataframe so that I can export it later. How do I do this? Note that
summary(model.b) gives an error:
Error in as.matrix(x) : (subscript) logical subscript too long

(R 1.9.1, windows xp, sp 2)

Thanks for any help, Ruud