Lining drum
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
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May 12, 2020
Grant Date -
Aug 1, 2019
app pub date -
Apr 9, 2019
filing date -
Apr 8, 2017
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A lining drum which has a tubular body having open ends, an inlet for compressed air and an outlet for liner is disclosed. The lining drum has end pieces removably attached to the tubular body for closing the open ends of the tubular body, a rotatable shaft inside the tubular body and a crank for rotating the shaft. An elastic fastener has a first end in operative engagement with the tubular body and a second end in operative engagement with the end piece. The second end is opposite the first end. The end piece is movable between a closed position and an open position by extending the elastic fastener against an elastic biasing force of the elastic fastener. The end piece and the tubular body has a gap defined therebetween when the end piece is in the open position.
First Claim
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International Classification(s)
- F16L:PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR ....
- B29C:SHAPING OR JOINING OF PLASTICS; SHAPING OF SUBSTAN....
- E04B:GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTIT....
- G05G:CONTROL DEVICES OR SYSTEMS INSOFAR AS CHARACTERISE....
- B65C:LABELLING OR TAGGING MACHINES, APPARATUS, OR PROCE....
- E04F:FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
- B29L:INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RE....
- B32B:LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA....
- B65B:MACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF,....
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