Hi All ? As far as two part epoxy adhesives are concerned I am not the brightest crayon in the box ? so please forgive any termalogical inexactitudes.
As an ?add hoc' user of two part epoxies I have found that selecting the correct type of adhesive, the measuring, mixing, cleaning up etc a pain ? even when it comes to using the ?new type' dual syringe dispensers.
Rather than accept the situation I designed a dispenser that I believe will solve my problem ? now all I need to do is make it (the dispenser that is) ? this is the help I'm after (for what it's worth I have taken out a provision patent and who knows maybe I'll make some money).
In essence the envisaged dispenser is a sealed sachet about 1.25 inches square holding about 5ml of adhesive. INSIDE the sachet (and this is the ?embodiment' of the patent as my lawyer calls it) is a rupturarble capsule. The sachet contains one adhesive component and the capsule the other. Come adhesive using time the capsule is ruptured by a firm thumb/forefinger squeeze and the two components are knead together in the still sealed sachet. Once well mixed the ?nozzle' of the sachet is pierced and the adhesive is directly applied (to the broken plate/tooth/A1M1/CVN etc) ? the sachet containing the residue is then disposed of and all is well. Hopefully if painted an understandable picture? Although similar to ?two/twin pack' epoxies the main difference is that sachet contains both the polymer and the curing agent ? and consequently has a much smaller foot print etc, etc (plus everyone loves popping bubble-wrap ? or in this case the capsule).
The bit I need some help with ? I'm thinking of using clear sixteenth of an inch x 1.25" x 1" LDPE tube for the sachet ? when sealed I'll have an approx 1.25" square sachet. For the capsule I'm thinking of using PVC or PET. The two real problems I have are what would really be the best materials and how to seal them (the sealing bit I really know very little about).
Any help/comment would be greatly appreciated.
Bill