Title: Coated metal pipe

Abstract: A coated metal pipe which comprises a pipe coated with a composition comprising 5-30 wt parts of ethylene-vinylacetate copolymer having a vinylacetate content of 15-40 wt% and a melt index of 1-1,000 g/10 min; 2-20 wt parts of low molecular weight oxidized polymer of polypropylene or propylene-ethylene copolymer; 5-40 wt parts of styrene butadiene copolymer; 5-50 wt parts of a tackifier and 10-80 wt parts of asphalt.

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Inventors: Uemura, Masaru (Yokohama, JA)
Kuroki, Hitoshi (Yokohama, JA)
Echida, Nobuhiro (Yokohama, JA)
Kosaka, Yujiro (Yokohama, JA)
Otomo, Kanji (Yokohama, JA)

Application Number: 525661
Filing Date: 1974-11-20
Publication_date: 1976-06-29
Assignee: Toyo Soda Manufacturing Co., Ltd. (JA)
Primary Class(es): 428/35.8 428/35.9, 428/461, 428/462, 428/463, 428/467, 428/468, 428/489
Other Classes:
US Patent Ref:

3321357	May, 1967	Kennedy	428/489.
3395110	Jul, 1968	Crady	260/28.
3442841	May, 1969	Adelman	260/28.
3459695	Aug, 1969	Hedge et al.	428/468.
3574652	Apr, 1971	Alexander et al.	428/468.
3814712	Jun, 1974	Snyder et al.	260/28.
3821144	Jun, 1974	Goyer et al.	260/28.
3869417	Mar, 1975	Ramsay	260/28.

Other Refs:
Primary Examiner: McCamish, Marion E.
Assistant Examiner: Dixon, Jr., William R.
Attorney: Oblon, Fisher, Spivak, McClelland & Maier