Try kevlar based fabric

Thank you. I should have mentioned that I'm looking for a material superior to what I've referenced in my patent application - "DuPont™ Kevlar® aromatic polyamide organic fibers characterized by high strength, high modulus, toughness, and thermal stability, the most preferred style of which may be DuPont™ Correctional™ fiber style 779 which is particularly capable of resisting forces that tend to push the fibers apart" - since even this material can be penetrated by needles unless multiple layers, generally a dozen or more, are used as the barrier material.

I very much appreciate your replying with your suggestion. I've been hoping someone may be aware of a better choice but fear nothing superior to the Kevlar exists. - Ed

Hi Edward,

The only flexible material that is flexible and resistant to needle penetration is the 'SuperFabric' but it cannot be used with one layer to be needle-stick resistant. You need to use at least three such layers. One commercial product is the 'HexArmour' Gloves. Also, have you heard about 'TurtleSkin'? it is also Kevlar based.

Not sure about the thickness of the above materials. You might be able to find them on their website or by ringing them.

Dear Karthick,

I am very grateful for your assistance in locating these materials. Please contact me directly by email so that I can be in-touch with you as things develop. If your information proves to be as valuable as suspected in the eventual creation of my final product I will want to reward you for your kind assistance.

Sincerely,

Edward A. Riess

[email deleted]

Karthick,

I see that emails are deleted from these posts. Let's try this: e plus last name plus at plus cinci plus dot plus rr plus dot plus com, and we'll see if that gets picked-up by the radar.

Ed

Mr. Rose,

Given the very germane and much appreciated information for my project, I suspect that you're John E. Rose of Rose Materials Consulting and Thermal Analysis Laboratory. I'll look into everything you've mentioned in that short note. I'm very grateful for your reply.

Ed Riess, CNIM, EE

John,

Your information is a gift. I quickly found "ENHANCING THE STAB RESISTANCE OF FLEXIBLE BODY ARMOR USING FUNCTIONALIZED SIO2 NANOPARTICLES" by Floria Eve Clements and have begun to grasp a smidgen of the current state of stab-resistance research. That article speaks to testing criteria and methods (drop tower, impact energy in joules, "witness sheets", etc.) that will help in selecting the best material for my application. From a practical standpoint, it could be best to form a confidentiality relationship with a consultant, share information about the application, and be directed to the best material for the job by someone who has already done the research, knows what is best, and can advise on broadest patent-application claims to broadly own the IP. A contingency contract could supply the reward since I'm not in a position to make a large monetary investment. There's good reason to expect the product acceptance and the usage would be high. I have a provisional application filed on the product idea and plan to file a nonprovisional application within about one month. Please let me know what you think of that idea. If that seems advisable I'd like to continue discussion by phone and/or email. (I tried to reach you at 650-726-7638 but found that was a non-working number.) You can reach me at 513-312-3742 or at eriess at cinci dot rr dot com - - please contact me.

Ed

I know, I am a "bit" late to the party, but by any chance, are you still interested in this ? or anything further development as per your requirements.