US2734472A
(en)
*
|
|
1956-02-14 |
|
Bornand |
CH260649A
(de)
*
|
1943-01-30 |
1949-03-31 |
Carl Bremer Rudolf |
Verfahren zur Herstellung biegsamer Rohre.
|
US2559191A
(en)
*
|
1943-09-14 |
1951-07-03 |
Hussnigg August Carl |
Device on machines manufacturing endless cable casings
|
US2617335A
(en)
*
|
1944-01-25 |
1952-11-11 |
Bremer Rudolf Carl |
Apparatus for making flexible endless tubes
|
US2657617A
(en)
*
|
1944-10-10 |
1953-11-03 |
Hussnigg August Carl |
Apparatus for the compression of the grooves of helically grooved tubes and hoses
|
US2525300A
(en)
*
|
1947-05-10 |
1950-10-10 |
Carl G Jones |
Method and apparatus for making flexible metal sheath for electric conductor and applying it thereto
|
US2631645A
(en)
*
|
1948-09-20 |
1953-03-17 |
Joseph B Friedman |
Apparatus and method for forming corrugations in tubing
|
US2696768A
(en)
*
|
1949-09-12 |
1954-12-14 |
Gen Motors Corp |
Bellows folding machine
|
GB716183A
(en)
*
|
1950-05-09 |
1954-09-29 |
Vadotub Ag |
Method and apparatus for coating surfaces of helically grooved tubes of any length
|
US2714919A
(en)
*
|
1951-03-20 |
1955-08-09 |
John M Johnston |
Apparatus and method for forming seamless flexible tubing
|
US2757706A
(en)
*
|
1951-05-09 |
1956-08-07 |
John M Johnston |
Apparatus and method for forming seamless flexible tubing
|
US2893462A
(en)
*
|
1953-01-23 |
1959-07-07 |
Hussnigg August Carl |
Device for manufacturing continuous, spirally grooved tubing wound of band material
|
US2730762A
(en)
*
|
1953-04-21 |
1956-01-17 |
American Viscose Corp |
Apparatus for the continuous fabrication of reinforced tubing
|
US3194705A
(en)
*
|
1954-02-01 |
1965-07-13 |
Porter Co Inc H K |
Method and apparatus for making reinforced corrugated hose
|
US2845109A
(en)
*
|
1954-12-31 |
1958-07-29 |
Ervin J Schneider |
Machine for forming helically-wound laminated tubes
|
US2935003A
(en)
*
|
1956-02-13 |
1960-05-03 |
Gen Motors Corp |
Apparatus for making tubing
|
GB825304A
(en)
*
|
1956-04-19 |
1959-12-16 |
Aberg Martin B |
Method and device for the manufacture of tubes consisting of layers of strips of flexible material
|
US3472131A
(en)
*
|
1965-12-16 |
1969-10-14 |
Wiremold Co |
Helically ribbed tubing and method and apparatus for making the same
|
US3472132A
(en)
*
|
1966-08-19 |
1969-10-14 |
Wiremold Co |
Helically ribbed tubing and method and apparatus for making the same
|
IT1071632B
(it)
*
|
1975-10-14 |
1985-04-10 |
Sbv |
Procedimento e macchina per la nastratura di condotte e simili corpi cilindrici
|
GB2126685B
(en)
*
|
1982-09-04 |
1986-05-08 |
Standard Hose Ltd |
Convoluted plastics tube
|
FR2560585A1
(fr)
*
|
1984-03-05 |
1985-09-06 |
Sofratube |
Procede de fabrication d'un tube spirale dechirable, dispositif pour la mise en oeuvre de ce procede et tube spirale ainsi obtenu
|
GB8709441D0
(en)
*
|
1987-04-21 |
1987-05-28 |
Watson M L |
Tubes
|
JPH01299171A
(ja)
*
|
1988-05-26 |
1989-12-01 |
Mitsuya Tekko Kk |
紙管製造機及び紙管回転引出し装置
|
US10130202B1
(en)
|
2014-05-07 |
2018-11-20 |
Hoffmaster Group, Inc. |
Flexible straw and system and method of manufacturing the same
|
US11117343B2
(en)
|
2019-08-15 |
2021-09-14 |
Hoffmaster Group, Inc. |
System and method for cutting straws
|