KR900011563A - Ultrasonic bonding of tire tread tire tread strip edges - Google Patents

Ultrasonic bonding of tire tread tire tread strip edges Download PDF

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Publication number
KR900011563A
KR900011563A KR1019900000222A KR900000222A KR900011563A KR 900011563 A KR900011563 A KR 900011563A KR 1019900000222 A KR1019900000222 A KR 1019900000222A KR 900000222 A KR900000222 A KR 900000222A KR 900011563 A KR900011563 A KR 900011563A
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KR
South Korea
Prior art keywords
strip
tire tread
range
joint
ultrasonic energy
Prior art date
Application number
KR1019900000222A
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Korean (ko)
Other versions
KR0141093B1 (en
Inventor
엘. 디빈센조 콘스탄티노
엘. 우드 이라
Original Assignee
디. 에이. 토마스
브리지스톤/화이어스톤 인코포레이티드
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Priority claimed from US07/295,741 external-priority patent/US4904319A/en
Application filed by 디. 에이. 토마스, 브리지스톤/화이어스톤 인코포레이티드 filed Critical 디. 에이. 토마스
Publication of KR900011563A publication Critical patent/KR900011563A/en
Application granted granted Critical
Publication of KR0141093B1 publication Critical patent/KR0141093B1/en

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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C65/00Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor
    • B29C65/02Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure
    • B29C65/08Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using ultrasonic vibrations
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65HHANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H69/00Methods of, or devices for, interconnecting successive lengths of material; Knot-tying devices ;Control of the correct working of the interconnecting device
    • B65H69/08Methods of, or devices for, interconnecting successive lengths of material; Knot-tying devices ;Control of the correct working of the interconnecting device by welding

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Tyre Moulding (AREA)
  • Lining Or Joining Of Plastics Or The Like (AREA)

Abstract

내용 없음No content

Description

타이어 트레드 스트립 단부(tread strip edges)의 초음파 접합방법Ultrasonic bonding of tire tread strip edges

본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음As this is a public information case, the full text was not included.

제1도는 본 발명의 개량된 방법에 의한 타이어 트레드 스트립의 초음파 용접 접합에 이용될수 있는 초음파 용접 장치의 개략적 파단 측면도, 제3도는 용접 공구의 접촉표면을 나타낸 제2도의 화살표 (3-3)방향에서 본 확대 파단단면도, 제5도는 본 발명의 개량된 방법에 의하여 트레드 스트립 접합부를 초음파 용접하는 용접공구의 확대 종단면도.1 is a schematic cutaway side view of an ultrasonic welding device that may be used for ultrasonic welding of a tire tread strip by an improved method of the present invention, and FIG. 3 is an arrow (3-3) in FIG. 2 showing the contact surface of the welding tool. 5 is an enlarged longitudinal cross-sectional view of a welding tool for ultrasonically welding a tread strip joint by an improved method of the present invention.

Claims (10)

어떠한 내부 코드가 없고 두께가 적어도 1/8인치인 미가황 고무화합물 타이어 트레드 스트립의 한쌍의 짝을 이루는 겅사 단부를 서로 접합시키는 방법에 있어서, a)미가황 고무화합물 스트립의 경사 단부를 스트립의 대향된 외측 표면 사이에서 경사지게 연장되는 접합 연결부가 생기도록 부분적으로 중첩 접근시키는 단계, b)초음파 용접 공구의 접촉면을 접합 연결부에서 스트립의 한 표면에 대하여 20내지 80psi 범위의 제1압력으로 가압시키는 단계, c) 고무 화합물을 충분히 가열 연화시켜 상기 한 표면과 인접한 접합 연결부의 입부를 따라 접합 연결부의 일부를 가로 질러 화합물이 가황되지 않으면서 접착되도록 제1압력 범위로 2내지 12초범위의 제1기간 동안 상기 한표면에 대하여 초음파 에너지를 가하는 단계, d)그리고 초음파 에너지를 가하는 것이 정지된 후 연화된 고무 화합물이 충분히 냉각되어 상기한 스트립 표면과 인접한 접합 연결부의 경사단부사이에 더 견고한 접착이 이루어지도록 초음파 발생기(ultrasoinc generator) 의 표면으로 상기 한 스트립 표면에 대하여 0.5내지 2.0 초 범위의 제2기간동안 제2압력을 유지시키는 단계가 포함되는 방법.A method of joining a pair of paired Gamsa ends of an unvulcanized rubber tire tread strip having no internal cord and having a thickness of at least 1/8 inch, comprising the steps of: a) facing the inclined ends of the unvulcanized rubber compound strips against the strip; Partially overlapping access so as to result in an obliquely extending joint connection between the outer surfaces, b) forcing the contact surface of the ultrasonic welding tool to a first pressure in the range of 20 to 80 psi against one surface of the strip at the joint connection, c) during a first period of time in the range of 2 to 12 seconds in a first pressure range to sufficiently heat and soften the rubber compound so that the compound adheres without vulcanization across a portion of the joint joint along the mouth of the joint adjacent to the one surface. Applying ultrasonic energy to the surface, d) and applying ultrasonic energy After this stop, the softened rubber compound is sufficiently cooled to achieve a stronger bond between the strip surface and the inclined end of the adjacent joint connection, so that the surface of the ultrasonic generator is 0.5 to 2.0 seconds relative to the one strip surface. Maintaining the second pressure for a second period of time in the range. 제1항에 있어서, 초음파 용접 공구의 접촉면을 이에 접촉되는 상기 한 스트립의 윤곽과 부합(matching)시키는 단계가 포함되는 방법.The method of claim 1 including matching the contact surface of the ultrasonic welding tool with the contour of the strip in contact therewith. 제1항에 있어서, 초음파 에너지 발생기의 접촉면에 널링 가공된(knurled)표면을 형성시키는 단계가 포함되는 방법.The method of claim 1 including forming a knurled surface on the contact surface of the ultrasonic energy generator. 제1항에 있어서, 스트립의 상기 한 표면에 대하여 가압되는 초음파 용접 공구의 접촉면의 스트립의 종방향으로 측정된 폭이 적어도 상기 스트립의 종방향으로 측정된 접합연결부의 폭과 동일하게 되도록 하는 단계가 포함되는 방법.The method of claim 1, wherein the longitudinally measured width of the strip of the contact surface of the ultrasonic welding tool pressed against the one surface of the strip is equal to at least the width of the joint measured in the longitudinal direction of the strip. Method included. 제1항에 있어서, 타이어 트레드 스트립의 짝을 이루는 단부의 경사각이 스트립의 상기 한 표면에 대하여 20°내지 85°의 범위내에 있도록 하는 단계가 포함되는 방법.2. The method of claim 1 including the step of causing the inclination angle of mating ends of the tire tread strips to be in the range of 20 ° to 85 ° with respect to the one surface of the strip. 제1항에 있어서, 제2압력이 대체로 상기 제1압력 범위내인 방법.The method of claim 1 wherein the second pressure is generally within the first pressure range. 제1항에 있어서, 초음파 에너지의 공정(nominal) 주파수가 20kHz인 방법.The method of claim 1 wherein the nominal frequency of the ultrasonic energy is 20 kHz. 제1항에 있어서, 제1기간 동안 초음파 에너지를 가하면 타이어 트레드 스트립의 상기 한 표면의 온도가 2초에서 122°F로 부터 10초에 280°F 까지 의 범위내에 도달되는 방법.The method of claim 1, wherein applying ultrasonic energy during the first time period results in a temperature of one surface of the tire tread strip ranging from 122 ° F to 2280 ° F in 10 seconds. 제1항에 있어서, 중첩되기 전의 경사 단부에 어떠한 접착제도 칠해지지 않는 방법.The method of claim 1 wherein no adhesive is applied to the warp ends before overlapping. 제1항에 있어서, 스트립의 상기 한표에 대하여 가압되는 초음파 용접 공구의 스트립의 횡방향으로 측정된 길이가 타이어 트레드 스트립의 횡방향 폭보다 짧아 접한 연결부에 상기 접촉면과 접촉하지 않는 2개의 간격이 있는 가장 자리부가 형성되는 방법.2. The method of claim 1, wherein the measured length in the transverse direction of the strip of the ultrasonic welding tool pressed against the mark of the strip is shorter than the transverse width of the tire tread strip with two gaps that do not contact the contact surface. How edges are formed. ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.※ Note: The disclosure is based on the initial application.
KR1019900000222A 1989-01-10 1990-01-10 Method of ultrasonic splicing tire tread strip edges KR0141093B1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US295,741 1989-01-10
US295.741 1989-01-10
US07/295,741 US4904319A (en) 1987-09-28 1989-01-10 Method of ultrasonic splicing tire tread strip edges

Publications (2)

Publication Number Publication Date
KR900011563A true KR900011563A (en) 1990-08-01
KR0141093B1 KR0141093B1 (en) 1998-07-01

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KR1019900000222A KR0141093B1 (en) 1989-01-10 1990-01-10 Method of ultrasonic splicing tire tread strip edges

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KR0141093B1 (en) 1998-07-01

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