But tubulose casing of making by feeding habits collagen membrane and food of package in tubulose casing

The utility model relates to a but tubulose casing of making by feeding habits collagen membrane and food of package in tubulose casing. The tubulose casing has tip closing member, tip closing member is located one section casing department, wherein, this section portion's section of casing is contracted and/or is reversed into feasiblely by the radial earth pressure of its axis of orientation obstructed effect is carried out to the inner track that lies in it to one section casing performance, and wherein, one section compressed is encircleed, is fastened and tighten up by the cyclic annular component of solid always by torsional casing, the solid ring -type element is the quilt of butt fusion to the collagen casing part of encircleing completely or partly, and wherein, but the ring comprises the thermoplastic material that characterized in that has feeding habits.