DK83058C
(en )
1957-07-01
Method for making solid and hollow objects.
DK76251C
(en )
1953-08-17
Method for making pipe fittings, and a mandrel for use in the manufacture.
FR856584A
(en )
1940-06-18
Hollow bodies, such as pipes, tanks and the like for receiving, conducting, etc., pressure agents
DK72968C
(en )
1951-08-20
Method for reducing the shrinkage of thin-walled fiber cement blanks, eg sheets and pipes.
DK80486C
(en )
1956-02-06
Method of making a continuous seam in the wall of a long pipe length and machine for carrying out the method.
DK85117C
(en )
1958-02-24
Method for closing or retracting the end of thin-walled pipes, and device for use in carrying out the method.
DK79791C
(en )
1955-08-29
Pipe assembly and pipes for use in pipe assembly.
DK86776C
(en )
1959-01-19
Sleeve, in particular for use in drilling pressurized pipes.
DK81124C
(en )
1956-09-17
Method for manufacturing a cast, reinforced building board and apparatus for carrying out the method.
DK80231C
(en )
1955-12-05
Cold pressure welding method and apparatus for performing the method.
AT180041B
(en )
1954-10-25
Pipe cutter, in particular for asbestos-cement pipes
DK79012C
(en )
1955-03-21
Method for making multilayer sheets and mold for making the sheets.
DK82509C
(en )
1957-03-18
Coupling for pipe connections, in particular for the construction of shelves and racks of pipes.
DK70829C
(en )
1950-04-03
Method for making pipes, pipe fittings and similar articles of paper.
DK73592C
(en )
1952-01-02
Method for producing a cellular filling for a double-walled building element and printing machine for use in the method.
GR12418B
(en )
1950-04-18
METHOD OF CONSTRUCTION OF METAL PIPES IN COLD EXTRACTION TAPE, BY DRAWING THIS THROUGH A MATTER.
DK59338C
(en )
1941-12-22
Apparatus for the production of hollow bodies, in particular pipes.
CA399229A
(en )
1941-09-09
Gas flow-directing means in pipes, etc.
ES120095A1
(en )
1930-11-01
An apparatus with its corresponding coupling for the selective expedition of a merchandise with intermediate dispatch.
DK80513C
(en )
1956-02-13
Method for manufacturing metal pipes which must be able to be telescopically displaced into each other, and apparatus for carrying out the method.
AT173389B
(en )
1952-12-10
Heating and water heating systems, in particular for single-family houses
DK71408C
(en )
1950-08-21
Process for expanding vermiculite and plant for carrying out the process.
DK72522C
(en )
1951-05-15
Building element, methods of its manufacture and mold for use in the manufacture.
DK80103C
(en )
1955-11-07
Coupling apparatus, in particular for use in aerodrome lighting systems.
DK86127C
(en )
1958-08-25
Coupling apparatus, in particular for use in aerodrome lighting systems.