Patent ID: 7967796

Claim:
An adhesive composition for bonding a base end portion of an injection needle ( 4 ) to a needle-base member ( 5 ) at a leading end of an injection cylinder ( 2 ), said adhesive composition comprising: bisphenol A-type epoxy resin, denatured aliphatic epoxy resin, denatured polyamide resin, and titanium oxide; wherein: the bisphenol A-type epoxy resin is provided in an amount of 35 to 50 wt % of the overall composition; the denatured aliphatic epoxy resin is provided in an amount of 10 to 25 wt % of the overall composition; the titanium oxide is provided in an amount of 10 to 20 wt % of the overall composition; and the composition has a viscosity of about 20000 mPa·s to about 40000 mPa·s during said bonding and prior curing.