"Zip Repair from Disk internals looks like a good application to do what you are after. This seems to be the only free fully-featured application that I could find to do what you are after.
That said, depending on how corrupt the file is, you may not have that much success with getting all of the files out in their proper condition. You will probably not be able to get all your files out (if at all)."
"Best Unzip Program to open Broken and Corrupted Zip files -- Yes, 7-zip!
If 7-zip cannot get all the files, I'd try with joshhunt's Zip Repair reference. Please do tell if you get more data extracted from a broken archive compared to that extractable by 7-zip."
