JPS624062B2 - - Google Patents

Info

Publication number
JPS624062B2
JPS624062B2 JP55065679A JP6567980A JPS624062B2 JP S624062 B2 JPS624062 B2 JP S624062B2 JP 55065679 A JP55065679 A JP 55065679A JP 6567980 A JP6567980 A JP 6567980A JP S624062 B2 JPS624062 B2 JP S624062B2
Authority
JP
Japan
Prior art keywords
hardball
low
hydroxyl value
baseball
ball
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
JP55065679A
Other languages
English (en)
Japanese (ja)
Other versions
JPS56161066A (en
Inventor
Osamu Sugimoto
Tsuyoshi Fujiwara
Chuzo Isoda
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
DKS Co Ltd
Original Assignee
Dai Ichi Kogyo Seiyaku Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Dai Ichi Kogyo Seiyaku Co Ltd filed Critical Dai Ichi Kogyo Seiyaku Co Ltd
Priority to JP6567980A priority Critical patent/JPS56161066A/ja
Publication of JPS56161066A publication Critical patent/JPS56161066A/ja
Publication of JPS624062B2 publication Critical patent/JPS624062B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Polyurethanes Or Polyureas (AREA)
  • Manufacture Of Porous Articles, And Recovery And Treatment Of Waste Products (AREA)
JP6567980A 1980-05-16 1980-05-16 Manufacture of polyurethane resin group training ball for hard-ball baseball Granted JPS56161066A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP6567980A JPS56161066A (en) 1980-05-16 1980-05-16 Manufacture of polyurethane resin group training ball for hard-ball baseball

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP6567980A JPS56161066A (en) 1980-05-16 1980-05-16 Manufacture of polyurethane resin group training ball for hard-ball baseball

Publications (2)

Publication Number Publication Date
JPS56161066A JPS56161066A (en) 1981-12-11
JPS624062B2 true JPS624062B2 (enExample) 1987-01-28

Family

ID=13293922

Family Applications (1)

Application Number Title Priority Date Filing Date
JP6567980A Granted JPS56161066A (en) 1980-05-16 1980-05-16 Manufacture of polyurethane resin group training ball for hard-ball baseball

Country Status (1)

Country Link
JP (1) JPS56161066A (enExample)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4384050A (en) * 1981-10-26 1983-05-17 W. R. Grace & Co. Flexible polyurethane foam based on MDI
GB8627658D0 (en) * 1986-11-19 1986-12-17 Bp Chem Int Ltd Polyurethane froth foams
JPH05202164A (ja) * 1991-07-22 1993-08-10 Tokyo Seat Kk 高密度表層付ウレタンフォーム成形品の製造方法
MX2008016437A (es) * 2006-06-30 2009-01-23 Huntsman Int Llc Nueva pelota de tenis.
JP5588343B2 (ja) * 2007-07-20 2014-09-10 インヴィスタ テクノロジーズ エスアエルエル ポリウレタンフォームボールの改良された製造

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS54118268U (enExample) * 1978-02-03 1979-08-18

Also Published As

Publication number Publication date
JPS56161066A (en) 1981-12-11

Similar Documents

Publication Publication Date Title
US4454253A (en) Polyurethane foam game ball, composition and process
US5181717A (en) Inflated sports ball
EP2170468B1 (en) Manufacture of polyurethane foam ball
CA2655535C (en) Tennis ball
US3979126A (en) Ball and process and composition of matter for production thereof
JP4387605B2 (ja) ゴルフボール
JP2000513595A (ja) ゴルフボールカバー
CA2703680C (en) Tennis ball
US20050176533A1 (en) Balls for use in baseball and softball
US20020004429A1 (en) Polyurethane golf club inserts
US4840378A (en) Softball
US4725058A (en) Softball
CN110054744A (zh) 改性环氧树脂增强聚氨酯组合料及其制备方法和应用
JPS624062B2 (enExample)
CN110003423A (zh) 改性异氰酸酯预聚体、聚氨酯组合料及其制备方法和应用
JP7546513B2 (ja) ポリウレタン発泡体とバット
US4767664A (en) Process for preparation of polyurethane foam handle having woodgrain finish
JPS59213805A (ja) 弾性舗装材組成物
DE2408604A1 (de) Schlagkappe fuer federbaelle
JP4531313B2 (ja) ウレタンカバーを有するゴルフボール
JP2020172587A (ja) ポリウレタン発泡体
JPS58179220A (ja) 高弾性ポリウレタンフオ−ムの製造方法
JPS587272A (ja) 硬式野球用プラスチツクボ−ル
RU2021122271A (ru) Etpu с высокой прочностью
JPH08170302A (ja) 弾性舗装方法