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US1421507A
(en)
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Method of lapping metal pipes
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US3526692A
(en)
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Manufacture of wire reinforced plastic pipe
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US2818084A
(en)
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Irrigation pipe
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US3015355A
(en)
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Method for forming spirally ribbed tubing
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KR100695311B1
(ko)
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|
금속관의 냉간축경 롤 성형방법 및 이것에 의하여 성형된금속관
|
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JP2010051990A
(ja)
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ネック付きエルボの製造方法
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US1622340A
(en)
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Process of curing rubber hose and the like
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US2508517A
(en)
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Method of forming integral fins on tubing
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JP4388525B2
(ja)
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内側が肉厚な壁区間を有する車軸を成形する方法
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US1525730A
(en)
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Method of making spirally-grained seamless tubing
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ATE239562T1
(de)
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Vorrichtung und verfahren zur herstellung eines rohres mit vergrösserten wanddicken an seinen enden
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US185374A
(en)
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Thomas whitehouse |
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DE50308565D1
(de)
|
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Verfahren und vorrichtung zur herstellung von mindestens teilweise profilierten rohren
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US1124359A
(en)
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Process of making forged-steel pipe-necks.
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US2051949A
(en)
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Method and apparatus for reducing tubing
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US2562785A
(en)
|
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Integral finned tube
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CN110884083B
(zh)
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抗扭抗拉钢丝管生产模具及生产方法
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US1120269A
(en)
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Tube-corrugating apparatus.
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JPH01245914A
(ja)
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外径真円度の優れた金属管の製造方法
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SU343745A1
(ru)
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Способ правки проволоки
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US656623A
(en)
|
|
Device for flanging tubes.
|
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GB195278A
(en)
|
|
Improved method for bending or curving copper and like pipes
|
|
SU199801A1
(ru)
|
|
СПОСОБ ИЗГОТОВЛЕНИЯ КРУТОИЗОГИУТЬЗХ ТРУБНЫХ отводов ПУТЕМ МНОГОРУЧЬЕВОЙ ГОРЯЧЕЙ ПРОТЯЖКИ
|
|
SU1215787A1
(ru)
|
|
Способ изготовлени эксцентрических переходов и оправка дл его осуществлени
|
|
CN211587997U
(zh)
|
|
伸线眼模
|