|I am not understanding from your decription why you are not connecting these wifi devices to the wireless router.|
You can not make a ad-hoc wireless network between multiple wireless devices.
You could take another wireless router and use it not as a router [only connect via lan port not wan port] but as a wireless switch but this requires you connect wired to it not wirelessly.
Alternately you could consider a wireless bridge unit but that may get messy with wifi connections to it and then using your wireless connection to it for internet access.
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