DOUBLE RUSTPROOF PC STRAND
LaoBiz.com profiles the Laos Patent “DOUBLE RUSTPROOF PC STRAND” from open registry fields, filed by KUROSAWA CONSTRUCTION CO., LTD on 2013-09-19; current status: Abandoned. Identifiers include application No. P/281; DIP id LAP281; protection kind Patent - Foreign. Key dates: publication 2025-12-19. Classification: C23C 2/38、D07B 1/06、D07B 1/16、E04C 5/08. Inventor(s)/designer(s): Kei HIRAI, Ryohei KUROSAWA. Abstract hint: In order to provide a double rustproof PC strand with superior durability and semi-permanent rustproof performance, a core wire and surroun…. Status labels may change after office actions; refresh or consult primary DIP data before commercial decisions.
P/281
Mark
Key facts
- Type
- Patent
- App. no.
P/281- Status
- Abandoned
- Applicant
- KUROSAWA CONSTRUCTION CO., LTD
- Agent
- LAO Interconsult Co., Ltd
- Filing date
- 2013-09-19
- Publication
- 2025-12-19
- Protection kind
- Patent - Foreign
- Applicant address
- KUROSAWA CONSTRUCTION CO., LTD · 1-36-7, Wakaba-cho, Chofu-shi, Tokyo, 182-0003 Japan · JP
- Agent address
- LAO Interconsult Co., Ltd · Ban Sphanthong Tai, Sokpaluang Road P.O.Box 7039, Vientiane Capital, Lao PDR · LA
- Nice / IPC classes
- C23C 2/38 · D07B 1/06 · D07B 1/16 · E04C 5/08
- Goods / services
- —
Process
Steps follow the current public status-
Filed
-
Formal examination Refused / terminated
-
Substantive examination
-
Published
-
Granted
Related records
Linked from the LaoBiz.com company databaseSimilar Patent
Abstract
In order to provide a double rustproof PC strand with superior durability and semi-permanent rustproof performance, a core wire and surrounding wires are formed of wires subjected to a wire drawing treatment and a plating treatment and formed with a plated layer, and a rustproof treatment is applied by forming a synthetic resin coat of 120 µm thick on an outer peripheral surface thereof. In order to uniformize and regulate the twisting pitch, the core wire and the surrounding wires are adjusted under the conditions of (A) Diameter of CORE: 4.42 ± 0.05 mm, Diameter of Surrounding wire: 4.25 ± 0.05 mm, (B) Diameter of CORE: 5.22 ± 0.05 mm, Diameter of Surrounding wire: 5.06 ± 0.05 mm, or (C) Diameter of CORE: 5.40 ± 0.05 mm, Diameter of Surrounding wire: 5.25 ± 0.05 mm, and then twisted, and The tensile strength is 1850 N/mm2 or higher.
In order to provide a double rustproof PC strand with superior durability and semi-permanent rustproof performance, a core wire and surrounding wires are formed of wires subjected to a wire drawing treatment and a plating treatment and formed with a plated layer, and a rustproof treatment is applied by forming a synthetic resin coat of 120 µm thick on an outer peripheral surface thereof. In order to uniformize and regulate the twisting pitch, the core wire and the surrounding wires are adjusted under the conditions of (A) Diameter of CORE: 4.42 ± 0.05 mm, Diameter of Surrounding wire: 4.25 ± 0.05 mm, (B) Diameter of CORE: 5.22 ± 0.05 mm, Diameter of Surrounding wire: 5.06 ± 0.05 mm, or (C) Diameter of CORE: 5.40 ± 0.05 mm, Diameter of Surrounding wire: 5.25 ± 0.05 mm, and then twisted, and The tensile strength is 1850 N/mm2 or higher.
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