http://rdf.ncbi.nlm.nih.gov/pubchem/patent/ES-373029-A1

Outgoing Links

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assignee http://rdf.ncbi.nlm.nih.gov/pubchem/patentassignee/MD5_fc3e1a538fbecf72d62819b141ab6523
classificationCPCAdditional http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/Y10T29-49734
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/F16L2101-12
classificationCPCInventive http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/F16L58-1027
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/F16L55-38
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/B29C63-26
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/B29D23-006
classificationIPCInventive http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/F16L58-10
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/B29D23-00
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/B29C63-26
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/F16L55-38
filingDate 1969-10-30^^<http://www.w3.org/2001/XMLSchema#date>
publicationDate 1971-12-01^^<http://www.w3.org/2001/XMLSchema#date>
publicationNumber ES-373029-A1
titleOfInvention IMPROVEMENTS IN VIBRATORY HEADS TO DRAG A FLEXIBLE ELEMENT THROUGH A PIPE.
abstract A pipe 10, such as a sewer-pipe, which hasbeen lined with a flexible, plastics, tubular liner 52 (see Division F2) and which has one or more lateral connections 13, has openings in the liner registering with those connections, such openings being produced by an annular copper ring 68, Figs. 9 and 11, having a narrow rim 69, and which is electrically heated by resistances 71 in bores 70. The ring is attached by arms 73 to a flexible rod 75 whereby it is inserted through the connection and cuts by fusion through the liner.
priorityDate 1968-11-04^^<http://www.w3.org/2001/XMLSchema#date>
type http://data.epo.org/linked-data/def/patent/Publication

Incoming Links

Predicate Subject
isDiscussedBy http://rdf.ncbi.nlm.nih.gov/pubchem/compound/CID23978
http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID418354341

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