infusing a multi part mold

How does one go about infusing a 3 part mold.The part lines would be air leaks. Is there a way?
Thanks.
Fred

 

Envelope bagging for small moulds.

Or if that is not possible, I once infused a multipart mould (boat) which had a recess for a line of sealant tape. The mould builder had been thinking BEFORE making the mould. Quite impressive.

Also possible but cumbersome is to bag the seam on the outside. Through-bolts then are a concern.

 

Thanks Herman
Was the recess line in between the flange before the bolts, kind of like an o ring arangement? If so I imagine you lay down the sealant tape in the groove and then bolt together squashing the tape for the seal.
If not could you please explain further.
Thanks again.
Fred

 

The recess should be near to the part. the bolts should be outside of the cavity, as these can only create havock. Trying to make bolts airtight is no fun.

 

Oh, there is also some special (reusable seals for them, but these are designed to go all the way round (RTM / RTM light.) where these are used for sealing the top mould on the bottom mould.
Creating a subtle end arrangement for these seals is somewhat difficult.