B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
B29D—PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE
B29D23/00—Producing tubular articles
B29D23/24—Endless tubes, e.g. inner tubes for pneumatic tyres
B—PERFORMING OPERATIONS; TRANSPORTING
B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
B29K2021/00—Use of unspecified rubbers as moulding material
Landscapes
Engineering & Computer Science
(AREA)
Mechanical Engineering
(AREA)
Heating, Cooling, Or Curing Plastics Or The Like In General
(AREA)
Preforme souple durcissable in situ pour le tubage d'un puits ou d'une canalisation, et procede pour la mettre en place sans ciment dans le puits ou la canalisation